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Centipeda cunninghamii is commonly known as Old man weed, being the literal translation of its Koori name Gukwonderuk. It is a plant known to indigenous Australians for its medicinal properties, and grows along the Murray river, or generally anywhere there is water, especially low lying or swampy areas. It can be identified by its unique shaped leaf, and its pungent scent, which is pine like and minty. The names Common Sneezeweed and Scent Weed, which were given by European settlers, are increasingly falling out of use.
Old Man Weed was commonly used to treat hair loss and skin irritations, but the traditional belief holds that it is good for treating "just about anything". Traditional methods of use most commonly involve binding leaves of the plant directly to the forehead or other parts of the body, so that body heat may release the plants oils which are then absorbed into the skin. It may also be taken orally, sometimes mixing it with emu fat or boiling/soaking it in water to create a tea. In cases of oral ingestion, traditional medicinal authorities have cautioned to carefully regulate the dosage as the plant may be toxic if taken in large amounts.
More recently, the extract of the plant has been patented and is claimed to be effective in the treatment of various skin disorders including the relief of itching and dry skin from psoriasis, as well as having antiinflammatory, antiallergenic, sunscreen and cell renewal properties.
See Also: florist bouquet, florist Mexico, Mexico flower delivery


Developing multiethnic youth language in Helsinki
This Chapter is currently unavailable for purchase.
This paper discusses the phenomena of youth language in multiethnic suburbs in Eastern Helsinki. The paper describes how adolescents make use of multiethnic social reality and the linguistic resources of their surroundings, i.e. different languages as well as varieties of Finnish. The possibility of the emergence of new multiethnic youth varieties or styles (Quist 2008) is discussed. The paper is mainly based on a sociolinguistic study conducted in 2002–2004 (Lehtonen 2004) and the data consist of participant observation, recorded interviews and other audio and video recordings. In the data, phenomena such as stylisation and language crossing (Rampton 1995) and a continuum from code-switching to language mixing (Auer 1999) can be observed.
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Source code for cvxpy.atoms.sum_largest
"""
Copyright 2013 Steven Diamond
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
 _URL_
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
"""
from cvxpy.atoms.atom import Atom
import cvxpy.interface as intf
import numpy as np
import scipy.sparse as sp
[docs]class sum_largest(Atom): """Sum of the largest k values in the matrix X. """ def __init__(self, x, k): self.k = k super(sum_largest, self).__init__(x) def validate_arguments(self): """Verify that k is a positive integer. """ if int(self.k) != self.k or self.k <= 0: raise ValueError("Second argument must be a positive integer.") super(sum_largest, self).validate_arguments() def numeric(self, values): """Returns the sum of the k largest entries of the matrix. """ value = values[0].flatten() indices = np.argsort(-value)[:int(self.k)] return value[indices].sum() def _grad(self, values): """Gives the (sub/super)gradient of the atom w.r.t. each argument. Matrix expressions are vectorized, so the gradient is a matrix. Args: values: A list of numeric values for the arguments. Returns: A list of SciPy CSC sparse matrices or None. """ # Grad: 1 for each of k largest indices. value = intf.from_2D_to_1D(values[0].flatten().T) indices = np.argsort(-value)[:int(self.k)] D = np.zeros((self.args[0].shape[0]*self.args[0].shape[1], 1)) D[indices] = 1 return [sp.csc_matrix(D)] def shape_from_args(self): """Returns the (row, col) shape of the expression. """ return tuple() def sign_from_args(self): """Returns sign (is positive, is negative) of the expression. """ # Same as argument. return (self.args[0].is_nonneg(), self.args[0].is_nonpos()) def is_atom_convex(self): """Is the atom convex? """ return True def is_atom_concave(self): """Is the atom concave? """ return False def is_incr(self, idx): """Is the composition non-decreasing in argument idx? """ return True def is_decr(self, idx): """Is the composition non-increasing in argument idx? """ return False def get_data(self): """Returns the parameter k. """ return [self.k]


use utf8; # Treat the source code as UTF-8 use open ':std', ':locale'; # Treat STD* as per locale use open ':std', ':encoding(UTF-8)'; # Treat STD* as UTF-8 use open IO => ':encoding(UTF-8)'; # Treat files as UTF-8 by default open(my $fh, '<:encoding(UTF-8)', $qfn) # Treat a file as UTF-8 utf8::decode(my $text = $encoded_text) # Treat a string as UTF-8 or die;


Overcoming Summertime Blues
As summer gets going, the number of members attending services drops off until school starts back up. Here are a few ways to combat the summertime blues.
1. Fireworks Display: invite the entire community to your church for a concert and fireworks display. Have information available about summertime programs and fall kick offs to hand out to guests.
2. Church Picnic: plan a picnic for your church with games and music for the whole family. You could even move the church service outside to the local park and invite the whole community to join you before the picnic lunch.
3. End of Summer Celebrations: Invite different age groups to gather for an end of summer party. Invite the teachers from the local school so that they can meet their students. Celebrate with pizza, a bonfire, ice cream, etc.
4. Cool Comfort: There are many people in each community that do not have air conditioning. Invite them to spend a day in the church cooling off with free wifi, games for the kids, movies, snacks, etc. Invite a local store to sponsor a day where they provide the snacks and activities in return for advertising their services to those present.
5. Vacation Bible Camp: Make learning a fun adventure through a week-long day camp, or evening program. Invite kids from the local neighborhoods to join in the fun along with your church's youth. Design a program for older youth with day trips around the city, etc.
These are just a few ways to encourage attendance at church during the summer. What are some other ways your church overcomes the summertime membership blues?
For more information on our FREE services and how Guide Book Publishing can help retain new members, visit our website at _URL_
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TED Conversations
Lizanne Hennessey
Singer Songwriter & Vocal Coach, Lizanne Hennessey - Voice Coach
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How do you show appreciation?
Today, I directed my children's choir during a performance. I was proud as punch of how they made the most of their voices, how they truly understood what they were singing, and how they were carrying that message over to the audience, who got it.
After the performance, one of the youngest members of my choir came up to me and said she had a really fun time singing this morning, and that I was the best teacher she ever had. My heart was filled with appreciation.
How do you show your appreciation?
Who have you recently appreciated, and why?
progress indicator
 - Jun 2 2013: It is rare o find a child with enough maturity to understand that everyone appreciates kind words, even teachers.
 I generally try and recognize effort, diligence, facing adversity with honor, grace under pressure, and demonstrations of outstanding moral character or action by recognizing the person, shaking a hand, and just saying "Well done". Usually such attributes are their own reward, but now and then, it doesn't hurt to be recognized.
 I recognize anyone and everyone I see accomplish such actions, strangers, familiy members, co-workers, and friends.
 - Jun 3 2013: Hi Robert,
 you know, appreciation can really be shown in the smallest gesture. This young girl's words, (she just recently turned 6) and her big smile was enough to make months of effort worth it. I agree, I was impressed that of all the members, most of which are twice her age, she knew the importance of showing her gratitude.
 It's exactly what you say, recognition. An applause after a performance, a pat on the back, a smile.
 I find appreciation daily, right here on TED. I know my words will be read, pondered over and respected, just as I will read, ponder and respect others. Genuine two-way appreciation.
 - thumb
 Jun 2 2013: JFK put it best as far as how to show your appreciation.
 Recently, I've appreciated all of my teachers, friends, and teammates for what they've done for me and our little high school community.
 - Jun 3 2013: I am appreciating all of you right now, for being here, for contributing, for your integrity and your respect, for your truth and honesty. If you can, imagine a deeply gracious smile and a warm embrace, given from me to you, with the most genuine appreciation I can muster.
 - thumb
 Jun 3 2013: By return act of kindness and gratitude. I may not always prefer to verbalize the feeling of appreciation but will remember and repay by action.
 - thumb
 Jun 3 2013: I constantly by nature find myself giving appreciation to others. My TED posts will often incorporate appreciation in them. An appreciation for others points of view/thoughts/comments and time. We all give our time here to make these posts. Time is something that we may give but cannot get back. As such, it is a generous act.
 When we don't appreciate something, we take it for granted. When we take things for granted, we lose our respect for them and as a consequence we become less as a person.
 When I see someone, an individual, I not only see that person but I also see their entire lineage, their entire family tree journey from wherever we all started so many millenia ago. In effect we are all time travellers! :D
 - thumb
 Jun 3 2013: try to say thank you a lot, even when it's just a small thing like someone handing me a pencil.
 Also try to recognize when someone says something good, like when someone makes a good point, I'll say "good point," or when asks a good question I'll say "great question."
 When I walk on the street I make frequent eye contact with the people walking toward me, I just enjoy looking into people's eyes, seeing their faces and expressions, it's amazing how many smiles and nods and "how's it going?'s" I get, it's just all day smiles.
 I appreciate you, L, what I love about you is your responsiveness, how you get back to people on these convos, plus saying good stuff to begin with.
 - Jun 3 2013: Greg, you definitely have grasped the concept that an act of appreciation can be something so simple! I too, live by this. Thank you for your compliments! I feel I have finally found a place where I can voice my thoughts and feel appreciated in doing so. :)
 - thumb
 Jun 3 2013: No dearth of ideas to show appreciation
 words written or spoken, gestures, deeds and
 Sometimes just being around.
 I usually appreciate people, it encourages and makes them happy.
 - thumb
 Jun 3 2013: G'day Lizanne
 I thank people a lot especially when I have enjoyed their company. Shout them a beer or two or dinner, help them when I'm needed.
 - Comment deleted
 - Jun 3 2013: LaMar,
 helping each other out like this is a sign of genuine appreciation, absolutely. I can't imagine, those other 20 cars didn't feel a pang of guilt as they sped by you. This is a good example of yet another stigma based on lack of trust in each other, when trust in each other is what we need most of all!!
 - thumb
 Jun 7 2013: I don't know,.
 Receiving a gesture of appreciation is a very personal bound between the giver and the receiver. It's like the sound of someone's voice that enables you to easily find them in a crowd when they call out your name. You feel a flush of satisfaction when you recognize the caller. You have been identified as worthy of someone else's attention. Receiving appreciation is similar to that If done suddenly without a foreshadowing.
 A smile and a touch are usually good affectual gestures.
 That special knowing look speaks to their humanity.
 Children love it when the teacher is not only strong and in control but also soft and human like them. It gives them power to affect that human side of you and still feel safe within the strength of your presence. The give and take of appreciation adds a sweetness to life, enhancing its spiritual flavour. It makes being human a wonderful experience.
 Most of the time, when an event is a collaborative effort, at it's conclusion, there is a sense of accomplishment that needs no words to express. It is internally understood that it is the mutuality that created the moment that all can appreciate together.


text:
Diabetes Awareness Week runs from the 14th to the 20th June. Pulse has a reputation for helping Life Assurance Applicants get the cover they require when the standard market is unable to do so. Throughout the pandemic Pulse has continued to provide cover for applicants with a wide range of medical problems. And when we do provide cover, it includes Covid!
As you can probably guess clients with diabetes form a significant proportion of enquiries particularly with combinations of other medical problems such as coronary artery disease and high BMI. We generally do manage to provide terms for most of these clients although the cost of the cover once we take into account the individual's medical history can make the cover expensive and for some applicants unaffordable. In the latter instances, we will work with the client to come up with alternative formats of the cover (for example, reduced sum assured or term) to make the cover achievable.
Diabetes, per se, is unlikely to cause a premature death. It is the complications that arise from diabetes if the blood sugar levels are not controlled which cause the increased risk. Control is key!
Photo Credit: DRWF.org.uk
One of the newer ways of keeping tabs on blood sugar levels is through devices such as Continuous Glucose Monitoring which can operate with or without an insulin pump and more recently Flash Glucose Monitoring. These devices lead to a more rounded method of dealing with blood sugar control particularly when used alongside insulin pumps.
We have found that during the pandemic the company market were declining any client who were in the NHS higher risk group or above. We have been able to step in and provide cover for these vulnerable clients.
We have provided cover for diabetic applicants without complications. But it is frequently a condition accompanied by other medical issues, weight problems being commonplace. We have provided cover where BMI exceeded 45.
Whilst we cannot provide cover for every applicant that contacts us we will always do our very best to help.
For more information or to request a quote, please contact our team:
[email protected] or call 01280 841430.

source: m-a-p/FineFineWeb


text:
Ultrahigh velocity resolution imaging of the microcirculation in vivo using color Doppler optical coherence tomography
Color Doppler optical coherence tomography (CDOCT) is a method for noninvasive cross-sectional imaging of blood flow in vivo. In previous implementations, velocity estimates were obtained by measuring the frequency shift of discrete depth-resolved backscatter spectra, resulting in a velocity resolution on the order of 1 mm/s. We present a novel processing method that detects Doppler shifts calculated across sequential axial scans, enabling ultrahigh velocity resolution (∼1 micron/s) flow measurement in scattering media. This method of sequential scan processing was calibrated with a moving mirror mounted on a precision motorized translator. Latex microspheres suspended in deuterium oxide were used as a highly scattering test phantom. Laminar flow profiles down to ∼15 micron/s centerline velocity (0.02 cc/hr) were observed with a sensitivity of 1.2 micron/s. Finally, vessels on the order of 10 microns in diameter were imaged in living human skin, with a relative frequency sensitivity less than 4 × 10-5. To our knowledge, these results are the lowest velocities ever measured with CDOCT.
Yazdanfar, S; Rollins, AM; Izatt, JA
Volume / Issue
Start / End Page
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In the above noted case, a plaintiff was awarded considerably less than she had claimed for a whiplash injury. The judge, in deciding how much this whiplash case was worth, stated that she would have to "exercise caution" in assessing this claim. This injury, like in many whiplash claims, was not objective. As I've stated in previous posts, an objective injury is an injury that is physically observable in some way. Examples of objective injuries are visible cuts and bruises or x-rays showing broken bones. Although you can dispute how the plaintiff got those injuries; you cannot dispute that they exist. Soft tissue injuries, which are common in whiplash events, on the other hand, are not usually observable and you can dispute that they actually exist.
In coming to their final decision, judges will typically put more weight on the credibility of the plaintiff in cases without objective injuries. In this particular case, the judge cited problems with the plaintiff's credibility, as she had given inconsistent statements. Additionally, the judge also found an adverse inference against the plaintiff, as the plaintiff had not called their family doctor to provide evidence.
This case illustrates many of the common pitfalls in whiplash claims.

source: openbmb/Ultra-FineWeb


text:
Roman Catholic priests from the Order of the Sacred Hearts and led by Father Alexis Bachelot, first arrived from Europe in July of 1827. Three priests and three lay brothers celebrated the first mass of record on Hawaiian soil on July 14, 1827.
Under pressure by American Protestant missionaries, who considered Catholic doctrine a damning religious error, Kamehameha III twice expelled the Catholics. When priests reappeared in 1837 and again faced expulsion, the Sandwich Island Gazette newspaper came to the defense of religious freedom. The French in 1839 also brought pressure upon the king, and in that year Kamehameha III proclaimed a Declaration of Rights and Edict of Toleration that granted religious toleration throughout the Islands.
This was a period of fierce verbal attacks between Catholics and Protestants. The Catholic Mission wanted to have its own press. In 1841, it bought the Gazette's old equipment and set up a print shop on the site of the present Our Lady of Peace Cathedral, but Father L. D. Maigret complained to his European superiors: "The Protestants have excellent presses of the new kind, while we have only a bad one, the characters of which do not work." Maigret received a new press from Europe, and in 1852, the first Catholic newspaper appeared, He Mau Hana I Hanaia, Works Done, to begin a tradition of Catholic publication that continues to the present.
By Helen G. Chapin

source: HuggingFaceFW/fineweb-edu


text:
Choosing the right finishes for heirloom wooden toys is crucial to ensure their durability and safety. Given that young children have a tendency to put toys in their mouths, it becomes imperative to use non-toxic and child-friendly finishes. These finishes not only protect the wood from wear and tear but also provide a smooth and attractive surface for little hands to touch and explore. Moreover, the type of finish used can greatly impact the overall aesthetic appeal of the toy, enhancing its value as a collectible item or a cherished family heirloom. In this article, we will discuss some key factors to consider when selecting finishes for heirloom wooden toys, as well as provide insights into the different types of finishes available.
When it comes to choosing finishes for heirloom wooden toys, various factors need to be taken into consideration. One such factor is the level of toxicity in the finish. Opting for non-toxic finishes is of utmost importance to ensure the safety of children who will be playing with the toys. It is crucial to avoid finishes that contain harmful chemicals, such as lead or formaldehyde, as they can potentially cause health issues. Additionally, the finish should be durable enough to withstand rough handling by young children and provide a protective layer to prevent dents, scratches, and stains. In the following sections, we will delve into the different types of finishes commonly used for heirloom wooden toys, exploring their unique features and benefits.
1. Safety should be the primary concern when choosing finishes for heirloom wooden toys, as children are prone to placing toys in their mouths and the finish should not contain harmful substances such as lead or chemicals that can off-gas.
2. Natural finishes, such as beeswax or plant-based oils, are a popular and safe option for wooden toys as they provide a non-toxic and durable finish. These finishes also enhance the natural beauty of the wood.
3. Water-based finishes are a great alternative to traditional oil-based finishes as they offer easy application, quick drying time, and low VOCs (volatile organic compounds). Look for finishes that are specifically designed for children's toys and meet safety standards.
4. Avoid using varnishes or lacquers that may contain harmful chemicals, such as formaldehyde, and can create a glossy or plastic-like surface that may not be suitable for children's toys.
5. It is important to consider the practicality and durability of the finish. Some finishes may require re-application over time, while others can withstand heavy use and are more resistant to scratches and stains. Look for finishes that are long-lasting and easy to maintain to ensure the longevity of the wooden toy.
What are the Best Finishes for Preserving Heirloom Wooden Toys?
1. Understanding the Importance of Choosing the Right Finish
When it comes to heirloom wooden toys, the choice of finish plays a crucial role in preserving their beauty and integrity over time. By selecting the right finish, you can protect the wood from wear and tear, enhance its natural colors and grains, and ensure its longevity for generations to come.
2. Water-Based Finishes: A Safe and Eco-Friendly Option
Water-based finishes are gaining popularity among toy makers and parents alike due to their non-toxic nature. These finishes do not emit harmful fumes or chemicals, making them safe for children to play with. Additionally, water-based finishes provide excellent protection against moisture, UV rays, and scratches, making them ideal for preserving heirloom wooden toys.
3. Oil-Based Finishes: Enhancing the Natural Beauty of Wood
Oil-based finishes, such as linseed oil or tung oil, are known for their ability to enhance the natural beauty of wood. These finishes penetrate deep into the wood, providing a rich and durable protective layer. Oil-based finishes also bring out the wood's natural colors and grains, giving a warm and timeless appeal to your heirloom wooden toys.
4. Shellac: A Traditional and Versatile Finish
Shellac, derived from the secretions of insects, is a traditional finish that has been used for centuries. It provides a glossy, smooth, and durable coating on wooden toys, highlighting their fine craftsmanship. Shellac is also versatile and can be easily repaired or refreshed, making it an excellent choice for preserving heirloom wooden toys.
5. Varnish: Adding Strength and Protection
Varnish is a popular finish for heirloom wooden toys, as it adds a layer of strength and protection. It forms a hard, glossy coating that shields the wood from scratches, stains, and moisture damage. Varnishes come in various types, such as polyurethane or spar varnish, each offering different levels of durability and UV resistance.
6. Natural Waxes: Emphasizing Organic Beauty
Natural waxes, like beeswax or carnauba wax, provide a soft and natural finish to heirloom wooden toys. These waxes enhance the wood's beauty by bringing out its natural luster and depth. They also offer mild water resistance and protection against light scratches, making them a great option for preserving the organic appeal of wooden toys.
7. Application Techniques for Finishing Heirloom Wooden Toys
Applying the finish correctly is as important as choosing the right one. Here are a few techniques to ensure a smooth and professional finish on your heirloom wooden toys:
- Prepare the surface by sanding it down to a smooth finish.
- Apply the finish in thin, even coats, allowing each layer to dry completely before applying the next.
- Use a brush, cloth, or sponge to apply the finish, depending on the type of finish and desired result.
- Sand lightly between coats to remove any imperfections and promote adhesion.
- Follow the manufacturer's instructions for drying and curing times.
Ready to Preserve the Beauty of Your Heirloom Wooden Toys?
Choose the best finish that suits your preferences and the specific requirements of your heirloom wooden toys. By selecting the right finish and applying it with care, you can ensure that your beloved toys will withstand the test of time and be cherished for years to come.
Frequently Asked Questions
1. What are the important factors to consider when choosing finishes for heirloom wooden toys?
When selecting finishes for heirloom wooden toys, it is crucial to prioritize safety, durability, and non-toxicity. Ensuring that the finish is safe for children to handle and doesn't contain harmful chemicals is of utmost importance.
2. Can I use any type of paint for finishing wooden toys?
No, not all paints are suitable for finishing wooden toys. It is recommended to use paints specifically designed for toys, such as water-based, non-toxic paints. These paints are safe for children and won't pose any health risks.
3. Are varnishes a good option for wooden toy finishes?
Yes, varnishes can be a suitable option for wooden toy finishes. However, it is crucial to choose varnishes that are child-safe, non-toxic, and durable. Look for varnishes that meet safety standards and are specifically recommended for children's toys.
4. What is the drying time for different types of finishes?
The drying time for finishes can vary depending on the type and brand. Water-based finishes typically have a shorter drying time compared to oil-based ones. It is recommended to follow the manufacturer's instructions for the specific drying time of the chosen finish.
5. How can I ensure the finish is long-lasting and doesn't chip easily?
To ensure a long-lasting finish that doesn't chip easily, proper preparation and application are key. Make sure to sand the wooden surface properly before applying the finish to remove any imperfections. Applying multiple thin coats and allowing sufficient drying time between each coat will also help in achieving a durable finish.
6. Is it necessary to seal the wooden toy after applying the finish?
Sealing the wooden toy after applying the finish is not always necessary. However, it can provide an additional layer of protection and enhance durability. Consider using a non-toxic sealant if desired, but be cautious of any potential odor or chemicals that may come with it.
7. Can I use natural oils for finishing wooden toys?
Yes, natural oils such as linseed oil or tung oil can be great options for finishing wooden toys. These oils are safe for children, provide a natural look, and enhance the wood's natural beauty. However, note that they may require more maintenance and reapplication over time.
8. How should I clean and maintain wooden toys with finishes?
To clean and maintain wooden toys with finishes, it is recommended to use a mild soap and water solution or a gentle wood cleaner. Avoid harsh chemicals or abrasive cleaners that can damage the finish. Regularly inspect the toys for any signs of wear or damage, and reapply the finish when needed.
9. Can I repaint or refinish wooden toys in the future?
Yes, wooden toys can be repainted or refinished in the future if desired. However, it is important to properly remove the existing finish and prepare the surface before applying a new finish. Consider using non-toxic strippers or sanding techniques to remove the old finish effectively.
10. Where can I find non-toxic finishes for heirloom wooden toys?
You can find non-toxic finishes for heirloom wooden toys at various specialty woodworking stores, online marketplaces, or directly from manufacturers. Look for finishes that specifically state their non-toxicity and suitability for children's toys.
Final Thoughts on Choosing Finishes for Heirloom Wooden Toys
When it comes to choosing finishes for heirloom wooden toys, prioritizing safety and non-toxicity is paramount. Ensuring that the finish is durable, easy to clean, and resistant to wear


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A transwarp theory or a transwarp equation was the theoretical model of a transwarp application in technology.
A transwarp theory on transwarp beaming was an equation originally postulated by Starfleet officer Montgomery Scott in the mid-23rd century, whereby it was possible to beam an object or person from one planet to an adjacent one, from one star system to another, or even to a starship traveling at high warp. By 2387, Scott had perfected his equations to a functioning technology. (Star Trek; Star Trek Into Darkness)
|aperture • beaming • chamber • coil • computer • conduit • drive • factor • hub • network • probe • signal • signature • space • theory • threshold|


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The Minister of Health, Jane Aceng has tabled the Uganda Human Organ Donation and Transplant Bill, 2021 for first reading. Aceng tabled the bill during the Tuesday plenary sitting chaired by Speaker Anita Among. The Bill was received and referred to the Committee on Health for scrutiny pursuant to Rule 129 of the Rules of Procedure.
The object of the Bill is to establish a legal framework for the regulation of organ, cell and tissue donation and transplantation in Uganda.
According to the Bill, Government aims at protecting the dignity and identity of every person and guarantee, without discrimination, respect for his or her integrity and other rights and fundamental freedoms with regard to donation and transplantation of organs, tissues and cells of human origin.
"Uganda does not have any law governing human organ donation and transplantation which is increasingly becoming an area of health care used to cure non communicable diseases that are rising rapidly. It is therefore imperative to enact an enabling law to address the existing challenges taking into account that healthcare is continuously evolving," the Bill reads.
The Bill seeks to address the current lacuna that is existent in both the law and the health care in Uganda in relation to organ, cell and tissue donation and transplant system. Due to the vacuum in the law, there has been concern about the increase in the illicit trade in and trafficking of human organs, cells and tissue.
"There is therefore need to regulate organ, cell and tissue donation and transplantation in order to enforce Principle XX of the National objectives and Directive Principles of the State Policy of the Constitution of the Republic of Uganda which provides that the State shall take all practical measures to ensure the provision of basic medical services to the population. This will protect Ugandans from being potential victims of organ, cell and tissue trafficking," the Bill states.


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Croton is an extensive flowering plant genus in the spurge family, Euphorbiaceae. The plants of this genus were described and introduced to Europeans by Georg Eberhard Rumphius. The common names for this genus are rushfoil and croton, but the latter also refers to Codiaeum variegatum.
Sunlight: Full Sunlight to partial sunlight
Water: Croton should be thoroughly watered by soaking or drenching the entire root system with water when the top 1 inch of soil is dry. Leaves can be wiped to keep them glossy.
Fertiliser: Keep plant in top form by feeding the plants every few weeks with a dilute solution of liquid fertiliser or sprinkling solid fertiliser over the soil.
Plant size: Approx. 55cm (vary in sizes)
Rootball size: 17cmØ x 17cmH
Pot type: Brown landscape pot with drainage hole
*Product photo shown is for reference only. Actual plant colour, type, size and arrangement may differ from photo.
*Kindly take note when you're purchasing matching pot, the diameter has to be larger than the rootball size.
Soil for Croton
Croton should be grown in fertilised potting mix. Make or buy a fertilised mix which consist of coco peat moss or coconut fibre (coir), vermiculite or perlite, compost and other ingredients. A lightweight soil for Croton needs to provide good drainage, hold moisture, and give roots room to grow.
All plants depend on light for their survival, and making sure your Croton get the right amount of light is key to keeping them happy. For both indoor and outdoor containers, group plants with similar light requirements. Don't mix shade lovers with sun lovers in a single pot; one or both of them will be unhappy, depending on where you place the pot


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Richard Wells is buried on the Ashley Butcher Farm on a small hill overlooking Dog Fork of Daniel's Creek in Johnson County, KY adjacent to KY Route 3. The GPS bearing of the cemetery is N 37 Degrees 44.96 Minutes & W082 Degrees & 42.51 Minutes. Beginning at the junction of KY 321 & KY 3 drive north on KY 3 for 2.5 miles, then turn left on an entrance that will lead to KY 3/Ashley Drive and turn right. Drive 0.2 miles on Ashley Drive cemetery is located on left side of road. His grave is marked with a veterans marker.
According to a family historian, Richard Wells was a spy during the Revolution and in performing his duties he marched into the country now comprising Scott, Lee and Russell Counties. He also spied over the Cumberland Mountain that divides the State of Kentucky from Virginia following the Indians down the Kentucky River and up the Sandy River. After his service was finished he remained in Virginia working as a farm laborer for Peter Hutchison, Sr.
On September 18, 1797, Richard married Susannah Hutchison, daughter of Peter Hutchison. They lived in Virginia and all of their children were born in Virginia. Their children were Andrew born 1799, George born 1800, Moses born 1804, Elizabeth born 1807, John born 1808, Simon born 1810, Roseanna born abt 1811, Mary born 1815 & Nancy born abt 1816.
In 1825 George Wells, a son was the first member of the family to settle on Daniel's Creek now Johnson County, Kentucky. Prior to the 1830 Census, Richard Wells and the rest of the family moved to Kentucky and settled on Daniel's Creek. In September 1836 Richard Wells received a grant of 50 Acres on the Dog Fork of Danmiel's Creek. On February 20, 1834, he applied for a Revolutionary War Pension. He died on March 18, 1838.


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Foundations of Education
This course introduces the prospective teachers to the three foundations of education, namely, psychological, anthropological and sociological. In the discussion of psychological foundations, learner, the learning process, and the learning situation are emphasized. It discusses the significant facts about each of these components and their inter-relationships in determining the effectiveness of any teaching-learning endeavor. On the anthropological foundations, emphasis is given to culture, cultural heritage, the Filipino family, and the Philippine cultural values. Sociological foundations include topics like education and society and socialization.


Data and the Buy-Side Trading Desk
(This article first appeared in GlobalTrading magazine.)
With Jacqueline Loh, Head of Trading, AIA Investment Management
How are buy-side trading desks gathering, organizing and utilizing data?
Jacqui Loh, AIA
Hopefully in a structured, consistent way! Data tells a story: in the first chapter we write about what we want to achieve, and the rest of the story just writes itself. The ending might not be one we like, but we can draw valuable insights from it to make our next story a better one.
To make gathering and organizing data as seamless as possible, there should be connectivity and consistency between the order management system (OMS), the execution management system (EMS), and the pre/post trade analytics module. Storing the data in one location is ideal but not always possible. Data should be organized in such a way that it is easy to run several iterations from different perspectives. However, the most difficult part is probably deciding what to store and how much.
What are the main data challenges/ pain points for the buy side?
It would be appropriate to address the issue with a top-down approach, thinking of the end game for data collection/analytics. Data collection and analyses should not be an end in itself, but rather should provide the basis for better decision making.
The main challenge then is to define a best execution process — how to evidence it and how to create a positive feedback loop using data analytics such that trading performance is improving all the time. After the main objective has been clearly defined, it's then much easier to build an end-to-end process involving data collection, data organization, and analytics. This is a more coherent approach than collating a few reports with the view of demonstrating best execution.
One related challenge is the selection of benchmarks. There are always pros and cons associated with each standard benchmark, e.g. volume-weighted average price (Vwap) vs implementation shortfall for equities. But, they should always be chosen to align with the asset manager's management style and measure the matrices important to them.
The success of an end-to-end best execution process, if defined properly, can be measured by a quantitative improvement of the benchmarks.
What are the opportunities for a trading desk to use data as a competitive advantage?
As market environments change ever more rapidly and trading platforms grow in sophistication, buy-side trading desks need to use data to help improve liquidity costs / efficiency in a journey of continued evolution, or else suffer a deterioration in trading performance.
However, for trading teams who use data in a determined manner with the end goal in mind, the prize is that they can gain a lot of technical experience in a shorter time than previously possible. Constant analysis will also make it easier to discern anomalies in counterparty or algorithm behaviours.
On my team, every trader analyses his/her own trading performance for highand low-cost trades on a daily basis. What were the reasons for the high-cost trades and what do we learn from them? For the low-cost trades, what went right and how do we replicate them? This is not construed negatively, but rather viewed as opportunities to pick up changes in trends.
As a three-year-old investment manager, how did AIA IM build its infrastructure to optimize data?
I have the privilege of working in a company that encourages the use of data in decision making. The theme on my trading desk is data-driven execution. We had a clean slate to work with. So once we decided upon our best execution objectives, we were able to proceed with collecting the relevant data in the right format as soon as possible. In addition, volumes were much lower in our first year, making it easier for us to verify the data, clean it and lay the foundation for data collection and data analytics. From then on, as volumes increased year on year, we could run the analyses with the full confidence in our data sets.
I think the main advantage in building a data infrastructure from the ground up is being able to build in flexibility such that customized reports can be run easily and at short notice. This allows us to quickly drill down on
specific issues, e.g. determining the efficacy of a certain algorithm.
What are the data challenges / opportunities unique to equities?
Data challenges are related to the different classes of stock in some Asian markets, and having to map the orders to the right types of stock, e.g. NVDRs and foreign and local stock in Thailand. IPOs and placements are sometimes not tagged correctly. Accuracy of order timestamps is another important factor.
More than one benchmark should be used, and benchmarks should be related to the type of flow to yield meaningful results. For example, if there is a large number of illiquid stocks which take several days to complete, a static benchmark involving the estimation of market impact costs might be more appropriate than VWAP.
The big advantage in equities is that the boundaries of normally accepted trading performance have been established for the standard benchmarks.
There are huge opportunities in the area of data usage for algorithm differentiation. This would involve identifying best-in-class algorithms for various categories and which algorithms work best under particular scenarios, e.g. liquidity-seeking algorithms for illiquid stocks.
What are the data challenges/opportunities unique to fixed income?
Trading-performance measurement is not as established as in equities, and therefore the choice of benchmarks is still up for debate. Norms of performance are also not yet established, so perhaps outperformance / underperformance should be considered as a percentage of spread rather than absolute numbers. The size of spreads should be a function of the portfolio of bonds traded.
Accurate data collection is more difficult as fixed income is an OTC market. There may not be sufficient data for comparison in some of the more illiquid credits.
Here, there are opportunities for counterparty differentiation by sector, country and duration. We have just started to use transaction cost analysis (TCA) in our broker reviews, in the hope that the information will be useful to the sell side too.
What is the future of data management and utilization on the buy-side trading desk?
Traders will have to be more quantitatively inclined. This is because a large part of their jobs will center around data collection, interpretation and application of the results to gain basis-point improvements in liquidity costs and overall trade performance measurement. Automation will be another important development, as traders have to learn to work alongside machine learning algorithms to achieve better results.
Data optimization will involve a lot of work for the industry, but our clients will benefit from the effort.


text:
© 2000 James Walker
Whether one plays mallet instruments with two mallets or four, it is an important but often overlooked issue: what sticking is best for a particular passage? While there usually is more than one solution for a given melodic line, there are factors which one should consider when creating stickings.
1. Alternating Hands as a Starting Point
A good starting point for creating stickings is alternating hands. The consistent "left-right-left..." pattern lends itself to even articulation and rhythm, whether leading with the left hand or the right. When doubling in either hand, the tendency is for the second note of the doubling to be "ghosted" slightly, played at a lower volume than the first note.
2. Adjusting Stickings to Suit the Rhythmic/Metric Phrasing
Players of brass instruments will utilize consistent tonguing when articulating similar passages, and this is a concept which may be applied to percussion instruments. Consistency of sticking contributes greatly to consistency of sound and phrasing in these two examples:
3. Accented Patterns or Polyphonic Textures
If a melodic line utilizes accents, or suggests some sort of polyphony (such as the pedal point shown in the second example here), one's sticking may be altered to suit the line; assigning all of the accented notes to one hand or the other makes it easier to maintain two separate dynamics levels within a phrase.
(This sort of approach is recommended only if the physical execution of the phrase allows it, as in the examples shown here; the difficulty of applying this concept to lines which cross above and below each other may negate the benefits.)
4. Optimizing Movement Around the Instrument
Certain scales and arpeggios lend themselves to playing all notes on the lower manual of the mallet instrument (same as the white keys of a piano) with one hand, and all notes on the upper manual (the black keys of a piano) with the other. While this approach incorporates the challenge of executing double stickings evenly, that challenge is balanced against the minimized arm movement required to execute a line. In the diagrams here, note how much less motion away from and towards the player's body, is involved when one utilizes this upper manual vs. lower manual approach.
While there often is more than one acceptable sticking for a given passage, there are certain factors one should address when making these decisions. Eventually, these concepts become internalized, and one instinctively selects an appropriate sticking for a given phrase.
(This page and all the materials within copyright ©2000 James Walker, All Rights Reserved. No portion of this page may be duplicated or distributed without the author's written consent.)
(click the "lessons" icon to return to the index of lessons at malletjazz.com)


text:
The George Washington University
This study examined framing strategies of protest movements in Dakar Senegal, particularly those focused on issues of foreign exploitation. Two major groups were surveyed, FRAPP and Cos M23, with interview notes and transcripts forming the basis of frame analysis. The findings showed that Cos M23 utilized a narrow frame that focused on linking certain sets of behaviors to being a good citizen, while FRAPP created a larger discursive framework in which diagnostic, prognostic, and motivational framing strategies were present in order to both link France and western imperialism to issues as well as induce the general public to take actions against those diagnosed issues. These findings provide valuable non-western insight on framing strategies and help provide data on domestic civil society activism in Senegal.
African History | African Languages and Societies | African Studies | Political History | Politics and Social Change | Race, Ethnicity and Post-Colonial Studies
Alltucker, Ezra M., "Defining the issue: Social movements' Framing Strategies in Neocolonial Senegal" (2018). Independent Study Project (ISP) Collection. 2913.
African History Commons, African Languages and Societies Commons, African Studies Commons, Political History Commons, Politics and Social Change Commons, Race, Ethnicity and Post-Colonial Studies Commons


52
I want to make sure I'm using them for the correct occasion and want to know of any subtleties. They seem to function the same way, which is to check to see if a object field has been defined, when I use them via the console and there isn't a whole lot information online when I did a google search. Thanks!
79
To clarify: neither present? nor exists? are "pure" ruby—they're both from Rails-land.
present?
present? is an ActiveSupport extension to Object. It's usually used as a test for an object's general "falsiness". From the documentation:
An object is present if it's not blank?. An object is blank if it's false, empty, or a whitespace string.
So, for example:
[ "", " ", false, nil, [], {} ].any?(&:present?)
# => false
exists?
exists? is from ActiveResource. From its documentation:
Asserts the existence of a resource, returning true if the resource is found.
Note.create(:title => 'Hello, world.', :body => 'Nothing more for now...')
Note.exists?(1) # => true
| improve this answer | |
25
The big difference between the two methods, is that when you call present? it initializes ActiveRecord for each record found(!), while exists? does not
to show this I added after_initialize on User. it prints: 'You have initialized an object!'
User.where(name: 'mike').present?
User Load (8.1ms) SELECT "users".* FROM "users" WHERE "users"."name" = $1 ORDER BY users.id ASC [["name", 'mike']]
You have initialized an object!
You have initialized an object!
User.exists?(name: 'mike')
User Exists (2.4ms) SELECT 1 AS one FROM "users" WHERE "users"."name" = $1 ORDER BY users.id ASC LIMIT 1 [["name", 'mike']]
| improve this answer | |
15
There is a huge difference in performance, and .present? can be up to 10x slower then .exists? depending on the relation you are checking.
This article benchmarks .present? vs .any? vs .exists? and explains why they go from slower to faster, in this order.
In a nutshell, .present? (900ms in the example) will load all records returned, .any? (100ms in the example) will use a SQLCount to see if it's > 0 and .exists? (1ms in the example) is the smart kid that uses SQL LIMIT 1 to just check if there's at least one record, without loading them all neither counting them all.
| improve this answer | |
 - Worth noting that in rails 5.1 and up the perf difference between any? and exists? has been fixed and will be somewhat similar as explained in that article. – dft Mar 4 '19 at 20:00
 - @dft do you have a link to this getting fixed in Rails 5.1? – tirdadc Oct 17 '19 at 15:28
8
SELECT COUNT(*) would scan the records to get a count.
SELECT 1 would stop after the first match, so their exec time would be very different.
| improve this answer | |
2
The SQL generated by the two are also different.
present?:
Thing.where(name: "Bob").present?
# => SELECT COUNT(*) FROM things WHERE things.name = "Bob";
exists?:
Thing.exists?(name: "Bob")
# => SELECT 1 AS one from things WHERE name ="Bob" limit 1;
They both seem to run the same speed, but may vary given your situation.
| improve this answer | |
-3
You can avoid database query by using present?:
all_endorsements_11 = ArtworkEndorsement.where(user_id: 11)
ArtworkEndorsement Load (0.3ms) SELECT "artwork_endorsements".* FROM "artwork_endorsements" WHERE "artwork_endorsements"."user_id" = $1 [["user_id", 11]]
all_endorsements_11.present?
=> true
all_endorsements_11.exists?
ArtworkEndorsement Exists (0.4ms) SELECT 1 AS one FROM "artwork_endorsements" WHERE "artwork_endorsements"."user_id" = $1 LIMIT 1 [["user_id", 11]]
=> true
| improve this answer | |
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What Is Lassi?
Lassi is a sweet or savoury cold yoghurt drink from India or Pakistan. It's made from blended yoghurt with water or milk and Indian spices. There are several flavours of lassis such as lemon lassis, strawberry lassis and banana lassis and are enjoyed chilled as refreshments. Special lassis with ingredients like honey are commonly used in some Hindu rituals.
2 Additional Answers
Ask.com Answer for: what is lassi
[las-ee, luhs-ee]
an Indian beverage of yogurt or buttermilk, water, and spices, often with the addition of fruit or sweetener.
Source: Dictionary.com
Lassi is a popular and traditional South Asian yogurt-based drink. It is prepared by made by blending yogurt, water and other ingredients such as salt, sugar, spices or fruit until the drink becomes frothy.
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Lassie was a collie, the actual breed's name is "rough Collie". The Lassie's used on the show were actually pretty large for the breed-they picked them big so that they
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text:
Precision Time Align is a high precision sub-sample delay that can slide a track forward or backwards in time. It will help you get perfectly synchronized double-tracked recordings completely eliminating timing anomalies and phase issues from your mix, especially on multi-miked drums, vocals and instruments:
- Synchronize signals to microsecond accuracy, up to 1/64th of a sample.
- Phase Invert button fixes mirror-image acoustical phasing.
- Precise Coarse and Fine controls optimize time shift in recordings.
- Perform negative delays, moving the track up in time relative to other tracks in the recording.
- Four different methods for calibrating the signal to achieve perfect signal matching.
- Precision Time Delay also included for use with D.A.W.s lacking delay compensation.
- Much faster and more accurate workflow than trying to manually align in your D.A.W.


charging batteries
Document Sample
charging batteries Powered By Docstoc
 Why should you follow safety precautions when charging batteries?
Lead-acid batteries contain sulfuric acid and only trained and authorized personnel should handle them. When talking about lead-acid batteries, people usually call sulfuric acid "battery acid" or the "electrolyte". An electrolyte is general term used to describe a non-metallic substance like acids like sulfuric acid or salts that can conduct electricity when dissolved in water. Lead-acid batteries can produce explosive mixtures of hydrogen and oxygen gases when they are being charged.
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Charge batteries only in approved, ventilated battery-charging areas. Install a safety shower and an eyewash station in a battery-charging area.
What are some precautions to use when handling battery acid?
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Wear splash-proof goggles and protective clothing (gloves and aprons). A face shield may also be necessary when handling sulfuric acid in an open system. Do not store acid in hot locations or in direct sunlight. Pour concentrated acid slowly into water: do not add water into acid. Use nonmetallic containers and funnels. Use extreme care to avoid spilling or splashing the sulfuric acid solution. It can destroy clothing and burn the eyes and skin. Use an eyewash station if the sulfuric acid solution is splashed into the eye. Neutralize spilled or splashed sulfuric acid solution with a baking soda solution, and rinse the spill area with clean water.
 What do I do if someone gets sulfuric acid on their skin?
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Avoid direct contact. Wear chemical-resistant protective clothing, if necessary. As quickly as possible, flush the contaminated area with lukewarm, gently flowing water for at least 20-30 minutes, by the clock. If irritation persists, repeat flushing. DO NOT INTERRUPT FLUSHING. If necessary, keep emergency vehicle waiting. Under running water, remove contaminated clothing, shoes and other leather goods (e.g., watchbands, belts). Transport the victim to an emergency care facility immediately. Discard contaminated clothing, shoes and leather goods.
What do I do if someone gets sulfuric acid in their eyes?
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Avoid direct contact. Wear chemical-resistant gloves, if necessary. Immediately flush the contaminated eye(s) with lukewarm, gently flowing water for at least 20-30 minutes, by the clock, while holding the eyelid(s) open. Neutral saline solution may be used as soon as it is available. DO NOT INTERRUPT FLUSHING. If necessary, keep the emergency vehicle waiting. Take care not to rinse contaminated water into the unaffected eye or onto the face. If irritation persists, repeat flushing. Quickly transport the victim to an emergency care facility.
Why is there a danger of exploding batteries? The charging of lead-acid batteries can be hazardous. When batteries are being recharged, they generate hydrogen gas that is explosive in certain concentrations in air (the flammability or explosive limits are 4.1% to 72% hydrogen in air). The spark-retarding vents help slow the rate of release of hydrogen, but the escaping hydrogen may form an explosive atmosphere around the battery if ventilation is poor. The ventilation system should be designed to provide an adequate amount of fresh air for the number of batteries being charged. This is essential to prevent an explosion.
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Always keep sparks, flames, burning cigarettes, and other sources of ignition away from the battery recharging area. Wear protective eye wear when working near batteries. Do not break "live" circuits at the terminals of batteries.
What should I do when charging batteries?
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Check the electrolyte level before recharging. If the battery has been outside in cold weather, make sure that the battery is not frozen before recharging it. If the electrolyte is covering the top of the plates, do not add more water. Recheck the fluid level after the battery has been recharged. If water is added, use distilled water, not tap water. When vent plugs may need adjustment, follow manufacturers' instructions carefully.
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If the battery has sealed vents, do not recharge the battery with a current greater than 25 amps. To reduce the possibility of explosions, follow the recommendations of the recharger manufacturer for attaching and removing cables and for operating the equipment properly. Generally, this includes unplugging or turning off the charger before connecting or disconnecting the clamp connections. Carefully attach the clamps to the battery with the proper polarity (positive [+] clamp, usually red, to the positive terminal and negative (-) clamp, usually black, to the negative terminal). Ensure that area is ventilated when the batteries are being charged. If the battery becomes hot or if the electrolyte spits out from the vent, turn off the recharger temporarily. Resume recharging using a lower current or charging rate.
What should I do when servicing batteries?
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Keep metal tools and jewelry away from the battery. Inspect for defective cables, loose connections, corroded cable connectors or battery terminals, cracked cases or covers, loose hold-down clamps and deformed or loose terminal posts. Replace worn or unserviceable parts. Check the state of charge of non-sealed and sealed batteries with an accurate digital voltmeter while the engine is not running and lights and other electrically-powered equipment are turned off. Also check the electrolyte levels and specific gravity in each cell of non-sealed batteries. Follow the battery manufacturer's recommendations about when to recharge or replace batteries. Tighten cable clamp nuts with the proper size wrench. Avoid subjecting battery terminals to excessive twisting forces. Use a cable puller to remove a cable clamp from the battery terminal. Remove corrosion on the terminal posts, hold-down tray and hold-down parts. Use a tapered brush to clean battery terminals and the cable clamps. Wash and clean the battery, battery terminals, and case or tray with water. The corrosive acid can be neutralized by brushing on some baking soda (sodium bicarbonate) solution. If the solution does not bubble, the acid is probably neutralized. Rinse the battery with water to remove the baking soda solution. To prevent electric shocks, never touch or come in contact with both terminals at the same time. If baking soda solution is applied with a cloth, remember that these solutions can conduct electricity. When battery cables are removed, ensure that they are clearly marked "positive" and "negative" so that they are reconnected with the correct polarity. Use a battery carrier to lift a battery, or place hands at opposite corners. Remember, batteries can weigh 30 to 60 lb (about 14 to 27 kg) so practice safe lifting and carrying procedures to prevent back injuries. Use a self-leveling filler that automatically fills the battery to a predetermined level. Never fill battery cells above the level indicator. Do not squeeze the syringe so hard that the water splashes acid from the cell opening.
Now how is your finger?
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Tags: health, safety


text:
From a Welsh Galileo to Somali Culture, This Is the Heritage That Shaped Wales; from the Welshman Who Observed the Moon at the Same Time as Galileo to the Family Who Were the First to Provide the Royal Navy with Steam Coal, Wales Is Awash with Lost Stories of Historical Achievement. Nowamajor Investment Will Help Uncover the Country's Lesser-Known Legends
Byline: Aled Blake reports
GALILEO GALILEI may have been more familiar with the moon than most of his contemporaries, but he had probably never heard of Carmarthenshire. So, in all likelihood, he would have been unaware that, as he gazed into the heavens, his activities were being emulated by the distinguished scholar Sir William Lower at his family home in Trefenty.
Sir William worked closely with Thomas Harriott, who, in 1609, produced the UK's first telescope - just a year after Galileo did the same.
And Wales' contribution to the embryonic space race didn't end there.
In the 1850s, Swansea's John Dillwyn Llewellyn took one of the earliest photographs of the moon from the Penllergaer Observatory - which he built for his daughter's 16th birthday.
A couple of decades later came the birth of celestial photography, by Denbigh-born Isaac Roberts - arguably the most important contribution to science by a man named Isaac since a certain Mr Newton sat underneath an apple tree.
The technique, which captured star clusters and nebulae and detailed interstellar gas clouds and galaxies, was pioneered in 1888.
With his technology, Roberts was the first person to identify the spiral shape of the Andromeda Nebula - Earth's neighbouring galaxy.
But Denbigh was not only the home to pioneering scientists such as Isaac Roberts.
From being a residence for royal princes to a refuge for a Royalist garrison during the Civil War - in fact Denbych translates as small fortress - the small market town has had a colourful history dating back before the Normans.
The town is first mentioned in records in the years following the Norman Conquest when it became a border town guarding the approach to the Hiraethog Hills and Snowdonia.
The town has a history of esteemed residents. One of many Denbigh men who were well regarded during the …
Questia, a part of Gale, Cengage Learning. _URL_
Publication information: Article title: From a Welsh Galileo to Somali Culture, This Is the Heritage That Shaped Wales; from the Welshman Who Observed the Moon at the Same Time as Galileo to the Family Who Were the First to Provide the Royal Navy with Steam Coal, Wales Is Awash with Lost Stories of Historical Achievement. Nowamajor Investment Will Help Uncover the Country's Lesser-Known Legends. Contributors: Not available. Newspaper title: Western Mail (Cardiff, Wales). Publication date: February 25, 2009. Page number: 18. © 2009 MGN Ltd. COPYRIGHT 2009 Gale Group.
This material is protected by copyright and, with the exception of fair use, may not be further copied, distributed or transmitted in any form or by any means.


text:
The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.
Thanks to the widespread adoption of mobile devices, government agencies can now empower their teams with the latest in voice and real-time video and information sharing technologies. This singular trend is helping governments improve response times, increase information sharing, and create better outcomes for employees and citizens alike.
However, providing proven and reliable collaboration tools with advanced levels of security required by the U.S. government can be a challenge. Cisco Unified Communications Manager (UCM) Cloud for Government unites Cisco's industry leading collaboration services (voice, video, instant messaging, presence, mobility, and conferencing) from the Cisco cloud, with built-in U.S. government-level security to give agencies the power to collaborate securely with anyone, anywhere.
With Cisco UCM Cloud for Government, your team benefits from a "one service, one experience for everyone" solution that is Federal Risk and Authorization Management Program (FedRAMP) authorized to better protect your agency's data and privacy.
Empowers your agency with:
- A FedRAMP-authorized collaboration solution
- Simple, cloud-based service
- Voice, real-time video, and information sharing
- End-to-end encryption
Cisco UCM Cloud for Government: What is it?
Industry-leading collaboration tools Cisco UCM Cloud for Government provides secure, reliable cloud-based collaboration that scales as needs change. It empowers you with:
- Voice and video: Industry-leading calling based on Cisco Unified Communications Manager (UCM) enables a full set of telephony services, including voicemail and integrated messaging for IP phones, mobile phones, or desktop clients.
- Mobility: Use one number to dial, redirect and move calls between desktop and mobile phones. Increase employee productivity anywhere with Cisco Jabber unified communications client, providing access to all Cisco collaboration workloads, IM, presence, voice, video, voice messaging, desktop sharing, and conferencing.
- Instant messaging and presence: With Cisco Jabber, you can get the information you need faster and more efficiently by making your availability known to other team members. Plus, open an instant-messaging session, make a phone or video call, or start a Webex meeting from your mobile device with just one click.
- Conferencing: Use voice and real-time video to present, share, or collaborate anywhere, anytime on any authorized device. Webex Meetings, a FedRAMP-authorized Service, lets your team talk face-to-face across different geographies, reducing travel needs and empowering everyone with the same information, at the same time, for better decision making and outcomes. Make these meetings more engaging with High-Definition (HD) video, audio, and content sharing.
The simplicity of cloud
Cisco UCM Cloud for Government uses an as-a-service cloud approach that reduces complexity for your IT team and for users. With Cisco UCM Cloud for Government, you shift from a Capital Expenditures (CapEx) model to an Operating Expenses (OpEx) financial model by paying for what you need.
Cisco UCM Cloud for Government is delivered by proven partners certified to offer Cisco Powered™ cloud services.
How Cisco UCM Cloud for Government helps government
Cisco UCM Cloud for Government supports a broad portfolio of voice and video devices, from IP phones to mobile and desktop applications. This gives each user the right tools for their job; from administrators and thought leaders, to production and field personnel, and beyond. Cisco UCM Cloud for Government supports the following endpoints.
Table 1. Components
HOW IT HELPS YOUR AGENCY
Jabber is an application that provides presence, instant messaging, voice, HD video, voice messaging, desktop sharing, and conferencing from your Windows PC, Mac OS, iPhone, iPad, and Android devices.
Webex creates more intelligent and versatile video-collaboration rooms. It includes Webex Room 55 and Webex Room 70 Kits and Webex Boards that are fully integrated systems you can deploy with on-premises or cloud solutions. You can also add a display to the Webex Room Kits to create additional arrangements.
This series combines an attractive, ergonomic design with always-on reliability, secure encrypted voice communications, and eco-friendly low-power consumption. Delivers advanced IP telephony features and crystal-clear, wideband audio performance to deliver easy-to-use, full-featured voice communications.
Ideal for a variety of workers and settings throughout your organization. This series delivers easy-to-use, highly secure, encrypted, high-quality wideband audio communications, with select models also supporting affordable entry to 720p HD video. Plus use Cisco Intelligent Proximity to integrate telephony features with personal mobile devices. 8821 and 8831 not supported.
The DX Series delivers quality collaboration with anyone, anywhere in the world. See and hear each other as if you're in the same room. Simplify your workday and form real connections with co-workers, wherever they are. Provide your team C-level collaboration at an affordable price.
Build and scale differentiated video-conferencing rooms to meet the needs of your organization; from small huddle spaces to large, customized board rooms. Expand your capacity with the SX Series, a powerful and flexible platform designed for integrators.
Turn any conference room into a video collaboration hub by connecting teams, customers, and partners face to face at a moment's notice. Two MX Series product lines—the MX700 and MX800 Series performance line and the MX300 and MX200 Series value line—give you great flexibility to deploy and scale video as your needs change.
With Cisco UCM Cloud for Government, agencies like yours can empower personnel to share more ideas; make smarter, more informed decisions; and provide better outcomes to citizens. And they can do so through the power of an efficient and secure mobile cloud-based service that adds value by:
- Enhancing the user experience: Deploy a complete suite of enterprise telephony solutions with advanced features and proven reliability that lets your team collaborate in the way that works best for them and from the device of their choice.
- Securing collaboration: Cisco UCM Cloud for Government gives you the security of a FedRAMP-authorized cloud data security service, backed by our industry-leading cybersecurity.
- Reducing complexity: Free your limited resources and personnel to focus on their strategic priorities and leave the maintenance and upgrades to us.
- Improving reliability: Reduce costs, improve efficiencies, and streamline workflows with the proven technology, built for government use that Cisco UCM Cloud for Government delivers.
Cisco UCM Cloud for Government is FedRAMP-authorized. FedRAMP provides a cost-effective, risk-based approach for the adoption and use of cloud services by U.S. government agencies.
FedRAMP processes are designed to assist federal government agencies in meeting Federal Information Security Management Act (FISMA) requirements for cloud systems.
By standardizing on security assessment, authorization, and continuous monitoring for cloud products and services, this program delivers costs savings, accelerated adoption, and increased confidence in security to U.S. government agencies that are adopting cloud technologies. To learn more about FedRAMP, visit fedramp.gov.
Cisco UCM Cloud for Government features our industry-leading security features, from continuous monitoring and end-to-end encryption to everything in between, so that your team and the devices they rely upon every day can be kept safe and secure.
- Dedicated deployments: Feel confident that sensitive data is securely contained in U.S. data centers which are accessible by U.S. citizens only. Separate deployments for each customer for added separation of agency data.
- End-to-end encryption: FIPS 140-2 validated cryptography for secure communications.
- Constantly monitored: Continuous scanning against a database of current global security vulnerabilities.
- Application-based policy enforcement and management: Configurations and user roles are set on the per-application level. Policies follow users as they roam networks. Customize, manage, and enforce usage features.
- Government-defined architecture and SLAs: The architecture based on FedRAMP security requirements. U.S. government-defined Service-Level Agreements (SLAs) are used resolving security events.
- Third-party reviews and audits upon FedRAMP authorization: Regularly audited by an independent FedRAMP third-party assessment organization. Monthly reviews of security stature with sponsoring agency.
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As the global leader in IT, Cisco is uniquely positioned to lead the digital transformation of government agencies like yours. From collaboration and cloud, to network and cybersecurity, we are uniting the most innovative technologies for the benefit of governments and their citizens. We offer:
- Industry-leading collaboration: Built to meet stringent federal security requirements. Both Cisco UCM Cloud for Government and Webex Meetings are FedRAMP-authorized services.
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- Consistent reliability and security: With operations and applications, regardless of where they reside.
- A proven and trusted partner: With over 20 years of cloud services


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Kota Kita is a non-profit organisation based in Surakarta (Solo), Indonesia, with expertise in urban planning and citizen participation in the design and development of cities. Our interdisciplinary team bridges dialogues between governments and citizens by influencing urban policies, encouraging open access to information, providing civic education, and facilitating the involvement of all citizens — especially the marginalized and excluded. Because without these voices, we will never realize a city shaped and informed by empowered citizens — A City for All.
Since 2010, we have worked in more than 22 cities in Indonesia on various projects, from small-scale urban interventions, city-wide assessments to large-scale strategic planning and visioning. We have also led and organized events such as the annual Urban Social Forum - a civil society-led forum that brings together civil societies, practitioners, and students in a collective goal to improve cities.


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It is with deepest sadness that North Carolina Central University announces the passing of photojournalist Alex Rivera. Rivera, a nationally renowned and prominent photojournalist, established the public relations office at North Carolina Central University, and served as the office's first director.
"This is a sad day for NCCU", said Chancellor Charlie Nelms. "Not only was Mr. Rivera an integral part of the university's history, he made invaluable contributions to the world through his photography. He was a valued member of our community and we were deeply honored to have him in our midst for so many years."
Born in 1913 during the height of the Jim Crow era, Rivera was the eldest of three children of Greensboro dentist and civil rights activist Dr. Alexander M. Rivera Sr. and his wife, Daisy Irene Dillard Rivera. Rivera grew up immersed in civil rights activism, since his father was a zealous NAACP member.
Rivera attended Howard University in Washington, D.C., and worked at the Washington Tribune before he was recruited in 1939 by founder Dr. James E. Shepard to establish the first news bureau for N.C. College for Negroes (now North Carolina Central University).
During World War II, Rivera departed the university to serve with the Office of Naval Intelligence from 1941 to 1945. After his military service, he joined the Norfolk Journal and Guide. In 1946, Rivera became a regional correspondent for the Pittsburgh Courier, one of the country's leading black-owned newspapers with a national distribution of nearly 200,000. Based in North Carolina, he covered Virginia and the Carolinas for the Courier and the National Negro Press Association.
During his stint with the Pittsburgh Courier, Rivera became famous for his coverage of the last lynchings in South Carolina and Alabama, the legal challenges to school segregation, and the aftermath of the landmark Brown v. Board of Education decision. His coverage of those events garnered him a Global Syndicate Award in 1955.
Rivera returned to N.C. Central University in 1974 to serve as public relations director, a position he held until his retirement in 1993. He was one of the first African-American reporters to regularly participate in North Carolina governors' press conferences.
In 1993, Gov. James B. Hunt, Jr. recognized Rivera's lifelong contributions to the state and nation by awarding him the Order of the Longleaf Pine, the highest civilian honor that can be granted in the State of North Carolina.
Rivera's passion was athletics and at NCCU, he had the opportunity to photograph some of the world's greatest men in sports, including legendary basketball coach John B. McLendon whose mentor had been the architect of basketball, Dr. James Naismith. Thanks to Rivera, images of McLendon with his players, including five-time NBA All-Star Sam Jones, have been preserved for the historical record. In 2005, NCCU honored Rivera with the naming of the Alex M. Rivera Athletic Hall of Fame located in the McLendon-McDougald gymnasium.
The North Carolina Museum of History honored Rivera earlier this year with an exhibit of his works, "Bearing Witness: Civil Rights Photographs of Alexander Rivera".
Arrangements are incomplete at this time.


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Cultural Landscapes is an open-access, online academic journal of Cultural Studies based in the Cultural Studies Program at Columbia College Chicago. The journal has a special commitment to publishing the work of undergraduate students, graduate students, and emerging scholars in the field of Cultural Studies.
Our journal provides a critical and much-needed forum in which diverse work in the Humanities and Social Sciences can be published. We encourage interdisciplinary perspectives and methodologies. At the same, we demand a rigorous engagement with issues of cultural research, theory, and practice. We especially encourage work that explicitly seeks to link the humanities and social sciences, combining a variety of methods of interpretation and analysis to explore the production, distribution, and consumption of cultural phenomena in their social context.


text: According to a recent NSF news release, a robot named Madeleine has been used to test theories of locomotion in existing and extinct animals. Madeleine swims underwater using four flippers like many extinct animals or with two flippers like modern animals. The scientsts learned that having four flippers doesn't improve the top speed but does increase energy use. This may explain why natural selection favored two flipper animals over four flipper animals like the plesiosaurs. More detailed information on Madeliene and the research results can be found in the paper, Four flippers or two? Tetrapodal swimming with an aquatic robot (PDF format).


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The tree you should never have planted or have on your property...
Sissoo (Indian Ironwood) trees are listed as one of the most invasive trees of the world due to its root structure which can reach great distances from the trunk of the tree. Our customers have found roots and shoots sprouting from them up to 100' away from the trunk. One customer had them coming up through the kitchen island around the drain pipe from the sink causing damage to the plumbing.
Gravely's Septic Service has found Sissoo tree roots inside of septic tanks and the drain pipe leading to the septic tank. A quick call to Gravely's by several customers confirmed that this tree should not be anywhere near a septic system due to the fact that the roots are so very aggressive and will cause $1000's in damage to your septic system.
So why is this? The aggressive Sissoo Tree root structure is key to the plant's survival and propagation in its native environment where it needed to establish a strong root system to survive in its native soil. Consequently, this tree is an excellent choice where soil erosion is a concern. For example, in the Phoenix freeway system where the road system is built below ground level, these trees have been planted to help secure the soil from eroding from the valleys heavy rain storms.
These are nice and shady trees if they are placed far enough away from any underground utilities or structures.
This Queen Creek Arizona Cortina community customer called their Sissoo trees, evil devil trees, like poltergeist because of the roots continuing to sprout new tree plants all over the yard after the trees were removed. We solved this problem and permanently eliminated the possibility of the tree coming back. We use a special procedure to permanently remove the tree and the chance of the roots sprouting new trees.
This Queen Creek Arizona Cortina community customer had us remove his very large and quite beautiful Sissoo tree as its roots were intertwined with the lawn and continually damaging the irrigation system, requiring costly repairs.
This Queen Creek Arizona Cortina community customer had us remove 7 large Sissoo trees, as they were causing damage in several areas of the property. We had to remove dozens of pavers to remove the roots that were lifting the pavers and causing a dangerous trip hazard. One of the roots was 60' away from the tree and working its way towards the pool. They have been known to penetrate the walls of the pool to get the water. Also, note the damage this root was doing to the grass border.
There are exceptions to this opinion.


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Kitty Murphy: Society of Biblical Literature Panelist and New Book Contract
At this year's annual meeting of the Society of Biblical Literature in Boston in November, Prof. Kitty Murphy offered responses to two books as part of panel discussions. The first book is an upcoming Fortress Press volume by a variety of authors on Wealth and Poverty in the Biblical World. The second is a recently published Fortress Press book, this one by Roland Boer and Christina Petterson, Time of Troubles: A New Economic Framework for Early Christianity, in which the authors use a particular school of Marxist thought to explore the rise of early Christianity in an economic context of increasing slavery and land concentration. Prof. Murphy has also just received a contract with Abingdon Press to write a book on the Synoptic Gospels that introduces the political and economic world of the early Roman Empire as the context within and against which the early Christians imagine Jesus' significance and shape their lives in community. The book is part of a new series at Abingdon called Core Biblical Studies.


Gold Water Group - specialists in drinking water filtration and whole home water softeners _PHONE_.
The top 5 reasons to be drinking purified water from Gold Water Group.
Gold Water Group top 5 reasons to be drinking purified water:
1. Chlorine
You know that bleachy, eye burning stuff used to disinfect swimming pools? That is also used to disinfect your drinking water. That's why your tap water might taste a bit bitter and have a bleach smell that really shouldn't be there. A decent carbon filter will reduce the chlorine by 99%.
2. Dirty Pipes
Your drinking water may be relatively free of dirt when it leaves the water treatment works, but it travels a fair distance before it gets to your taps. It could be travelling miles through rusty pipes, and that's even before it has to go through the pipework in your building which could also be very old.
3. Bacteria
Aside from the chemicals and dirt that can get in to your water, perhaps the scariest of all is the thought of microorganisms. Ultraviolet purification zaps these little germs and stops them from reproducing. This needs to be done once any chlorine has been removed.
4. Essential Minerals
You don't want absolutely everything taken out of your water. Water is healthy because it is full of essential minerals like Calcium, Magnesium and Potassium that your body needs.
Some people are going crazy right now for reverse osmosis systems. Our Eagle RO system leaves in 5-50ppm of those minerals our bodies need every day. Whether you drink lots of water or not, everyone should take their vitamins every day to ensure you are getting what your body needs.
5. Taste and Smell
We should be willing to guzzle water by the gallon to be healthier but tap water just doesn't taste that great. Water should be tasty and you should enjoy drinking it.
Using an Eagle Water Reverse Osmosis System will purify your everyday tap water making it healthy and more enjoyable. To learn more please call Gold Water Group at 1-844-315-GOLD (4653).
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Up against increasing risks, Copa & Cogeca discussed in Brussels this week with the EU Commission and MEPs possible ways to help protect farmers against risks such as bad weather conditions, pests and diseases as well as greater market volatility, in agriculture.
Speakers at the event underlined the fact that farmers are up against increasing challenges ranging from higher price volatility to extreme weather events. They are also exposed to many factors which increases their vulnerability to specific risks and crises which are beyond their control. The workshop consequently looked at various options to protect farmers against risks in agriculture.
The workshop was designed to get a better understanding of the current level of implementation across the EU of risk management measures under the Common Agricultural Policy (CAP) and how to improve uptake of such measures. A panel of experts discussed the role that risk management schemes could play in the future CAP. Options discussed included insurance and mutual funds to help protect against the effects of poor weather conditions, pests and diseases as well as stabilizing incomes. Risk management measures already exist at national level in many countries and some possibilities are also available under the Single Common Market Organisation (CMO) and EU rural development policy.
Speaking at the event, Copa & Cogeca Secretary-General Pekka Pesonen said "Discussions today showed the increasing importance of tools to help farmers better manage risk. We need to make current tools more visible and make them work better under EU rural development policy and promote their uptake. Measures need to remain voluntary for producers to apply so that they have the choice of whether or not to take out harvest insurance. It's also important that the schemes are efficient and attractive for farmers in order to increase the uptake of the them. Cooperatives play an important role as they can provide the tools to help farmers better manage risk. We will continue working on this to feed to into our position on the future Common Agricultural Policy (CAP) post-2020 ".


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Apache HBase Write Path
Apache HBase is the Hadoop database, and is based on the Hadoop Distributed File System (HDFS). HBase makes it possible to randomly access and update data stored in HDFS, but files in HDFS can only be appended to and are immutable after they are created. So you may ask, how does HBase provide low-latency reads and writes? In this blog post, we explain this by describing the write path of HBase — how data is updated in HBase.
The write path is how an HBase completes put or delete operations. This path begins at a client, moves to a region server, and ends when data eventually is written to an HBase data file called an HFile. Included in the design of the write path are features that HBase uses to prevent data loss in the event of a region server failure. Therefore understanding the write path can provide insight into HBase's native data loss prevention mechanism.
Each HBase table is hosted and managed by sets of servers which fall into three categories:
- One active master server
- One or more backup master servers
- Many region servers
Region servers contribute to handling the HBase tables. Because HBase tables can be large, they are broken up into partitions called regions. Each region server handles one or more of these regions. Note that because region servers are the only servers that serve HBase table data, a master server crash cannot cause data loss.
HBase data is organized similarly to a sorted map, with the sorted key space partitioned into different shards or regions. An HBase client updates a table by invoking put or delete commands. When a client requests a change, that request is routed to a region server right away by default. However, programmatically, a client can cache the changes in the client side, and flush these changes to region servers in a batch, by turning the autoflush off. If autoflush is turned off, the changes are cached until flush-commits is invoked, or the buffer is full depending on the buffer size set programmatically or configured with parameter "hbase.client.write.buffer".
Since the row key is sorted, it is easy to determine which region server manages which key. A change request is for a specific row. Each row key belongs to a specific region which is served by a region server. So based on the put or delete's key, an HBase client can locate a proper region server. At first, it locates the address of the region server hosting the -ROOTregion from the ZooKeeper quorum. From the root region server, the client finds out the location of the region server hosting the -METAregion. From the meta region server, then we finally locate the actual region server which serves the requested region. This is a three-step process, so the region location is cached to avoid this expensive series of operations. If the cached location is invalid (for example, we get some unknown region exception), it's time to re-locate the region and update the cache.
After the request is received by the right region server, the change cannot be written to a HFile immediately because the data in a HFile must be sorted by the row key. This allows searching for random rows efficiently when reading the data. Data cannot be randomly inserted into the HFile. Instead, the change must be written to a new file. If each update were written to a file, many small files would be created. Such a solution would not be scalable nor efficient to merge or read at a later time. Therefore, changes are not immediately written to a new HFile.
Instead, each change is stored in a place in memory called the memstore, which cheaply and efficiently supports random writes. Data in the memstore is sorted in the same manner as data in a HFile. When the memstore accumulates enough data, the entire sorted set is written to a new HFile in HDFS. Completing one large write task is efficient and takes advantage to HDFS' strengths.
Although writing data to the memstore is efficient, it also introduces an element of risk: Information stored in memstore is stored in volatile memory, so if the system fails, all memstore information is lost. To help mitigate this risk, HBase saves updates in a write-ahead-log (WAL) before writing the information to memstore. In this way, if a region server fails, information that was stored in that server's memstore can be recovered from its WAL.
Note: By default, WAL is enabled, but the process of writing the WAL file to disk does consume some resources. WAL may be disabled, but this should only be done if the risk of data loss is not a concern. If you choose to disable WAL, consider implementing your own disaster recovery solution or be prepared for the possibility of data loss.
The data in a WAL file is organized differently from HFile. WAL files contain a list of edits, with one edit representing a single put or delete. The edit includes information about the change and the region to which the change applies. Edits are written chronologically, so, for persistence, additions are appended to the end of the WAL file that is stored on disk. Because WAL files are ordered chronologically, there is never a need to write to a random place within the file.
As WALs grow, they are eventually closed and a new, active WAL file is created to accept additional edits. This is called "rolling" the WAL file. Once a WAL file is rolled, no additional changes are made to the old file.
By default, WAL file is rolled when its size is about 95% of the HDFS block size. You can configure the multiplier using parameter: "hbase.regionserver.logroll.multiplier", and the block size using parameter: "hbase.regionserver.hlog.blocksize". WAL file is also rolled periodically based on configured interval "hbase.regionserver.logroll.period", an hour by default, even the WAL file size is smaller than the configured limit.
Constraining WAL file size facilitates efficient file replay if a recovery is required. This is especially important during replay of a region's WAL file because while a file is being replayed, the corresponding region is not available. The intent is to eventually write all changes from each WAL file to disk and persist that content in an HFile. After this is done, the WAL file can be archived and it is eventually deleted by the LogCleaner daemon thread. Note that WAL files serve as a protective measure. WAL files need only be replayed to recover updates that would otherwise be lost after a region server crash.
A region server serves many regions, but does not have a WAL file for each region. Instead, one active WAL file is shared among all regions served by the region server. Because WAL files are rolled periodically, one region server may have many WAL files. Note that there is only one active WAL per region server at a given time.
Assuming the default HBase root of "/hbase", all the WAL files for a region server instance are stored under the same root folder, which is as follows:
WAL log files are named as follows:
/hbase/.logs/, ,/%2C %2C.
Each edit in the WAL file has a unique sequence id. This id increases to preserve the order of edits. Whenever a log file is rolled, the next sequence id and the old file name are put in an in-memory map. This information is used to track the maximum sequence id of each WAL file so that we can easily figure out if a file can be archived at a later time when some memstore is flushed to disk.
Edits and their sequence ids are unique within a region. Any time an edit is added to the WAL log, the edit's sequence id is also recorded as the last sequence id written. When the memstore is flushed to disk, the last sequence id written for this region is cleared. If the last sequence id written to disk is the same as the maximum sequence id of a WAL file, it can be concluded that all edits in a WAL file for this region have been written to disk. If all edits for all regions in a WAL file have been written to disk, it is clear that no splitting or replaying will be required, and the WAL file can be archived.
WAL file rolling and memstore flush are two separate actions, and don't have to happen together. However, we don't want to keep too many WAL files per region server so as to avoid time-consuming recovery in case a region server failure. Therefore, when a WAL file is rolled, HBase checks if there are too many WAL files, and decide what regions should be flushed so that some WAL files can be archived.
In this post, we explain the HBase write path, which is how data in HBase is created and/or updated. Some important parts of it are:
- How a client locates a region server,
- Memstore which supports fast random writes,
- WAL files as the way to avoid data loss in case region server failures.
We will talk about HFile formats, WAL file splitting and so on in subsequent posts.


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As it is well-known, the activation of latent slag in blended cement is implemented by calcium hydroxide (CH, Ca(OH)2) which is the main cause maintaining the high pH value of pore solution.
The activation happens as the break of glass layer of slag particles. However, how does the break take place in detail? Researchers have already proposed a theory to explain the process, which will be discussed in the post. The main composition of glass is SiO2, thus the break of glass layer is actually the break of chemical bond between Si and O (Si-O). In the first step, the bond Si-O is broken by hydroxyl,
Then the other part of broken bond Si-O– further react with water (H2O), as the following reaction equation,
By the second step, hydroxyl is returned. The break of Si-O bond is finished. Therefore, the two steps can be combined into one equation,
From the overall process, it can be seen that hydroxyl acts as activator and is not consumed.
This is the theory which explains the activation of slag by CH in slag blended cement.Share it to: Facebook | Twitter | Google+ | More…
- What is Geopolymer cement?
- The Influence of Slag on the Hydration of Cement
- How much is the bulk density of hydrating (blended) cement paste?
- Sample Preparation for Quantitative X-Ray Diffraction (XRD/Rietveld)
- Determining the Amount of Reacted Slag in Blended Cement Using EDTA Method
- Concrete made with slag improves resistance to fire damage
- Does particle size of slag influence its reactivity?
- Published literature data on the reaction degree of slag
- Methods to measure the reaction degree of slag in blended cement
- Factors influence the reaction degree of slag in slag blended cement


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EDUCATIONAL SCIENCES-THEORY & PRACTICE, cilt.15, ss.607-620, 2015 (SSCI İndekslerine Giren Dergi)
The purpose of this study is to examine the flow of doctoral students who are also research assistants and in the dissertation process. The study was designed using the case study method. The case undertaken in the study was the dissertation process. Eleven participants were selected into the study using maximum variation sampling. Face-to-face, semi-structured interviews were conducted with the participants. Descriptive analysis was used to analyze the transcripts. The descriptive analysis of the data identified four main themes: (i) personal characteristics, including tackling challenges, sense of responsibility and planned work habits; (ii) interest in the field, including decision making about postgraduate education, satisfaction from postgraduate education, the fit between the doctoral field and the student's interests and skills, and academic goals; (iii) emotional attachment, including enjoyed stages of the dissertation process, feelings aroused by the dissertation, and concentration on the dissertation process; and (iv) living the flow.