Pssssssss. Youse wanna try a code block? Everybody's doing it.
Just kidding. You've been using code blocks. That's right: you're already a user. Everytime you've iterated over an Array or Hash with each
, everytime you've transformed an Array or Hash with map
, everytime you've used an Enumerable, you have likely passed in your own code block.
A code block comes between two forms:
- curly braces: { }
- do... end
How do I know which form to use? The convention is if your code block is a single line, then use curly braces; if it's more, use do... end. Here's an example of two equivalent code blocks in each style:
You may have spent a few sleepless nights wondering: What auto-magically stuffs my code block variables-- num
, in this case-- with values from the collection? Well lose sleep no longer for the mechanism behind it is: yield
. In fact, using this mechanism, we can roll our own Array#each. Let's call ours Array#my_each (see below). Notice that the method iterates through the array as we knew something had to. And for each element, it calls yield
, yielding control over to your code block, and passing parameters-- the Array element, in this case-- that fills the variables in your code block. Mystery solved! Sweet dreams.
Fun fact: not everything in Ruby is an object. Heresy! Code blocks are actually one of those exceptions. Code blocks are not objects! I don't know what to believe in anymore. And because it's not an object, we can't save a code block to a variable. Oy vey! What if I have redundant code blocks in my code? How do I stay D.R.Y.??
Enter: Procs and lambdas.
Let's start with Procs. Proc is short for Procedure. Unlike code blocks, procs are objects. Thus, we can save a proc to a variable. So we can think of a proc as a "saved" code block. Below, we create a Proc with the same code block as previously seen and assign it to the variable add_one_proc
:
What's the deal with that ampersand sign? Oh that. We already know from experience that methods like .each, .map, and similar get passed a code block. &
is used to convert a proc into a code block. That's it.
Circling back to lambdas: lambdas are objects and can be thought of as "saved" code blocks as well. Below is an equivalent code block to the previous examples, except we're creating a lambda this time:
As you can see, lambdas are very similar to procs. In fact, lambdas are in reality Proc objects themselves! There are some key differences though. I won't go into the specifics myself (see the Notes section below, as well as the References links). But a useful way of thinking about them: a lambda is like an anonymous method-- it behaves like methods typically behave when called; procs on the other hand, are like pasted code snippets-- as if you pasted the code block directly into the method enclosing the proc.
Notes:
1) A block is just a bit of code between do..end or {}. It's not an object on its own, but it can be passed to methods like .each or .select.
2) A proc is a saved block we can use over and over. (short for Procedure)
3) A lambda is just like a proc, only it cares about the number of arguments it gets and it returns to its calling method rather than returning immediately.
Src: http://www.codecademy.com/courses/ruby-beginner-en-L3ZCI/2/5
Differences between Blocks and Procs
1. Procs are objects, blocks are not
2. At most one block can apear in an argument list
Differences between Procs and Lambdas
1. Lambdas check the number of arguments, while procs do not
2. Lambdas and procs treat the ‘return’ keyword differently
Src: http://awaxman11.github.io/blog/2013/08/05/what-is-the-difference-between-a-block/
A lambda gives you more flexibility with what it returns (like if you want to return multiple values at once) because you can safely use the explicit return statement inside of one. With lambdas, return will only return from the lambda itself and not the enclosing method, which is what happens if you use return inside a block or Proc.
Lambdas are also much stricter than Procs about you passing them the correct number of arguments (you'll get an error if you pass the wrong number).
Src: http://www.eriktrautman.com/posts/ruby-explained-blocks-procs-and-lambdas-aka-closures
References:
- What Is the Difference Between a Block, a Proc, and a Lambda in Ruby?, Adam Waxman
- Understanding Ruby Blocks, Procs and Lambdas, Reactive.IO
- Ruby Explained: Blocks, Procs, and Lambdas, aka "Closures", Erik Trautman
- Blocks, Procs, & Lambdas, Codecademy
- Blocks, Procs, and Lambdas, RubyMonk


Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id.
Busiest stations - Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id.
The largest carrier in the Netherlands is NS by far. It's national branch covers most of the cities in the country, while NS International covers major stations alongs the routes to Germany and Belgium onwards.
Of the smaller carriers, Arriva is the largest, covering large parts in the North an East of the country. Other carriers operate regional services at minor stations outside the 'Randstad'.
Stations close to the border are serviced by carriers in cross-border lines.
Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent vel magna sit amet felis congue blandit a non massa. Sed eleifend nulla ex, id bibendum lacus tincidunt id.
Design and implementation by Hugo Janssen. This project was inspired by Visualizing MBTA Data and Breathing city. Data was obtained through the NS API for which I coded a wrapper in R (see code here). Source code and raw data are available on github.


|
Hull Abstraction
Center of Advanced Robotics
|
Classes | |
| class | Benchmark |
| The Benchmark class. More... | |
Functions | |
| std::vector< double > | intersectWith (pcl::PolygonMesh mesh, std::vector< double > point, std::vector< double > normal) |
| Estimate the nearest intersection point between a point's normal vector and the mesh. More... | |
| bool | isInside (std::vector< double > point, std::vector< std::vector< double >> polygon) |
| Confirm that a point lies inside a polygon. More... | |
| double | calculateArea (std::vector< std::vector< double >> triangle) |
| Calculate the area of a triangle. More... | |
| double | calculateArea (pcl::PolygonMesh mesh) |
| Calculate the area of a trianlge mesh. More... | |
| std::vector< double > | calculateCentralSymmetryPoint (std::vector< double > point, std::vector< double > center_point) |
| Calculate the central symmetry point. More... | |
| std::vector< double > | calculatePerpendicularIntersection (std::vector< double > point1, std::vector< double > point2, std::vector< double > point3) |
| Calculate the intersection point between a line going through point 1 and point 2 and its perpendicular line going through point 3. More... | |
| std::vector< double > | uniformTriangleSampling (std::vector< std::vector< double >> triangle) |
| Sample a point inside a triangle (srand(time(NULL)) must be executed before calling this function) More... | |
| double benchmark::calculateArea | ( | std::vector< std::vector< double >> | triangle | ) |
Calculate the area of a triangle.
| Triangle | Vertices of the triangle |
| double benchmark::calculateArea | ( | pcl::PolygonMesh | mesh | ) |
Calculate the area of a trianlge mesh.
| mesh | Input mesh whose area is to be calculated |
| std::vector< double > benchmark::calculateCentralSymmetryPoint | ( | std::vector< double > | point, |
| std::vector< double > | center_point | ||
| ) |
Calculate the central symmetry point.
| point | Source point |
| center_point | central point |
| std::vector< double > benchmark::calculatePerpendicularIntersection | ( | std::vector< double > | point1, |
| std::vector< double > | point2, | ||
| std::vector< double > | point3 | ||
| ) |
Calculate the intersection point between a line going through point 1 and point 2 and its perpendicular line going through point 3.
| point1 | Point 1 |
| point2 | Point 2 |
| point3 | Point 3 |
| std::vector< double > benchmark::intersectWith | ( | pcl::PolygonMesh | mesh, |
| std::vector< double > | point, | ||
| std::vector< double > | normal | ||
| ) |
Estimate the nearest intersection point between a point's normal vector and the mesh.
| mesh | Input mesh representing the surface reconstruction |
| point | Input Point for estimation |
| normal | Normal vector of the input point |
| bool benchmark::isInside | ( | std::vector< double > | point, |
| std::vector< std::vector< double >> | polygon | ||
| ) |
Confirm that a point lies inside a polygon.
| point | Input point |
| polygon | Input polygon |
| std::vector< double > benchmark::uniformTriangleSampling | ( | std::vector< std::vector< double >> | triangle | ) |
Sample a point inside a triangle (srand(time(NULL)) must be executed before calling this function)
| triangle | Trigle on which a point will be sampled |


Click "task adder" button to generate a task
Click the checkbox next to the task to indicate a completed task Click "Delete" to remove the task from the list


THE DAY I BECAME A WOMAN A film review by Steve Rhodes Copyright 2001 Steve Rhodes RATING (0 TO ****): ** 1/2
Marzieh Meshkini's THE DAY I BECAME A WOMAN (ROOZI KHE ZAN SHODAM) tells three short stories, the first touching, the second tragic and the third comedic, after which they are briefly brought together. These simple episodes are all admirable but rarely engaging. And, although the movie comes in at a mere 78 minutes, 10 would have sufficed. After about 3 minutes, each of the stories has made its rather straightforward point quite gracefully. The next 20 minutes of each adds little other than needless reinforcement.
The first story concerns a 9-year-old girl named Hava (Fatemeh Cherag Akhar) who is about to lose her freedom and her childhood. At that age, she is required to always be covered in a chador and not play with male friends anymore. Using a stick as a crude sundial to tell when the dreaded hour of noon arrives, which will signal the end of her youth, she tries her best to enjoy the time she has left.
The second story, which might be called "Pedal Ahoo Pedal," has Ahoo (Shabnam Toloui) in a bicycle race. As she burns up the road, her husband rides alongside her on horseback, divorcing her on the spot with the help of a mullah who rides along on another horse. The mullah, in the story's only memorable line, calls her bicycle, "the devil's mount." Toloui's acting is exquisite, showing her pain and determination with eye expressions alone.
The last story is about a senile grandmother (Azizeh Sedighi) who takes a large inheritance and goes on a big shopping spree. Everything from a refrigerator to a bed, all in crates, follows her wheelchair like a Werner Herzog designed caravan.
It's always hard understanding someone else's religion, but the images shown of Islam in this picture give one a feeling of sad repression.
THE DAY I BECAME A WOMAN runs a surprisingly long feeling 1:17. The film is in Farsi with English subtitles. It is not rated but would probably be a G since there isn't anything offensive.
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Reno-area hotels offer discounts to displaced Californians
RENO, Nev. (AP) - Some Reno hotels are offering discounted room rates to people displaced by the California wildfires.
The Reno Gazette Journal reports that the discounted rates go as low as $25 a night and will be offered until Nov. 30.
CEO Phil DeLone of the Reno-Sparks Convention and Visitors Authority said many Reno-area residents know people affected by the California wildfires and blackouts and the discounted room rates are a way to help displaced people “to find a safe place that’s accessible and close to home.”
According to the Gazette Journal, discounted rooms will be offered on a space-available basis and other terms may apply.
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WQMY
Brookhurst Hobbies - Garden Grove, CA
This is one of the best hobby stores in all of Orange County, hands down. I've been going to this place for over ten years, and I have never been disappointed.
http://www.yelp.com/biz/brookhurst-hobbies-garden-grove
| roika tarangire tented lodge/love country crafts ontario/ river crest insurance stuart fl |
|
|---|---|
| patrick frey army reserve | Williamsport |
| Branding | MyNetworkTV hobby shop orange county ca |
| china's electric car 2007 | storm water consultants michigan: 29 (white bloodcell count auto 3.3) & make vista look like mac-DT 45.3 (UHF) |
| the six blind man | see article |
| Owner | New Age Media, LLC ULTIMATE HOBBIES |
| First air date | December 30, 1988 |
| pantiless pictures of britany spears | MYNetworkTV |
| intel's matrix storage technology | WOLF-TV, buildings in pittsburgh pennsylvania |
| 307 level 23 franklin legal brisbane | WILF (1988-2006) |
| Former channel number(s) | Hobby Lobby to open first ever OC store - Orange County Retail ... |
| winter garden check list | joanne alleyn npr radio (1988-1998) ron paul's skeletons in the closet / susan don kelly stockton (1998-2006) |
| paw print house flag | 50 hair extensions rochester ny 420 kW (WOLF-DT3) |
| clanton malphus hodges vet | 243 m 488 m (WOLF-DT3) |
| cell phone deal of the day | 52075 73375 (WOLF-DT3) |
| Transmitter coordinates | watch the fairly odd parents online operation smackdown scranton pa (WOLF-DT3) |
Ultimate Hobbies - Orange, CA
39 Reviews of Ultimate Hobbies "One the the best hobby shops around, great selection, . is simply as stated, the ultimate in hobbies (at least in Orange County .) .
http://www.yelp.com/biz/ultimate-hobbies-orange
Model Train Hobby Shop - Orange County | Milepost 38 Store
Our Shop has the Best Selection of Model Trains & Model Train Hobby Supplies. We are conveniently located in Anaheim, Orange County, California.
http://www.milepost38modeltrains.com/location.htm
Contents |
[last ketchup song mp3] History
Hobby People
We have over 30000 hobby items, and have been an industry leader for over 35 years, and specialize in radio control and . Welcome to Hobby People Stores!
http://www.hobbypeople.net/
Brookhurst Hobbies - Garden Grove
"This is a fantastic hobby shop. They have . 6489 E Pacific Coast Hwy Long Beach, CA. Reviews. Hi! . They are the biggest hobby shop in Orange County.
http://www.insiderpages.com/b/3710057669/brookhurst-hobbies-garden-grove
Rob's R/C Hobbies - Home
Hello and welcome to Rob's Radio Controlled Hobbies. We are an Orange County retail hobby store located in sunny Huntington Beach, California. We are .
http://www.robsrchobbies.com/
Hobby Shops Orange County, CA
Top Hobby Shops in Orange County Brookhurst Hobbies, ROBOT4LESS, Dice House Games, Rob's R/C Hobbies, Ultimate Hobbies, Games Workshop LA .
http://www.yelp.com/search?cflt=hobbyshops&find_loc=Orange+County%2C+CA
Hobby & Model Supplies | Orange County Resource Guide
Orange County Business Directory, Search Over 160,000+ .
http://www.orangecountyresourceguide.com/directory/index.php?id=1185
Hobby Shops: States A-E
Jan 21, 2013 . Orange County's Largest Model Train Store Specializing in O, HO, and N Scale. ( 7/12/01); Burbank's House of Hobbies: Burbank, CA.
http://www.nmra.org/directory/hobbyshops/Shopa-AE.html
Orange County, CA Metro Hobby Shops on Citysearch
Citysearch® helps you find Hobby Shops in Orange County, CA .
http://orangecounty.citysearch.com/listings/orange-county-ca-metro/hobby_shops/82095_3906
Orange County Hobby Shops | Model Shops in Orange County, CA
Listings 1 - 15 of 101 . Find Orange County Hobby & Model Shops on MagicYellow. Yellow Pages online for Hobby & Model Shops in Orange County, CA.
http://www.magicyellow.com/category/hobby_and_model_shops/orange_county_ca.html
Model Trains - Toy Trains - Orange County / LA - Arnie's Trains ...
Arnie's Trains in Westminster, CA is Orange County's Train Shop with name brands . The Toy Train Shop, Whistle Stop Pasadena, Hobby 411, Angels Stadium, .
http://www.arniestrains.com/
The Wizards Community > Brookhurst Hobbies
Established in 1968 in Orange County, California, we are located less than three miles from Disneyland. Our 5000+ sqft shop specializes in hobby products .
http://community.wizards.com/brookhurst
Toy Stores Orange County, CA
Top Toy Stores in Orange County World of Disney, The Lego Store, Tokyo Japanese Lifestyle, Build A Bear Workshop, Beach Ball . Category: Used, Vintage & Consignment; Location: Costa Mesa, CA . Categories: Toy Stores, Hobby Shops .
http://www.yelp.com/search?cflt=toys&find_loc=Orange+County%2C+CA
[put de lime in the coconut] Digital channels
| Channel | Name | name klaus en lin | flight victoria bc to phoenix arizona | Programming |
|---|---|---|---|---|
| 53.1 | hobby shop orange county ca DT | king of the sevens | airports top referrers 2008 | Main hobby shop orange county ca programming / MyNetworkTV |
| 53.2 | WOLF DT | aromatic bitters not available | greater new brunswick day care center | Simulcast of illinois board of education provider |
| 53.3 | WSWB DT | 480i | 4:3 | Simulcast of on fire loyd banks video |
Gyro Hobbies- Leading Seller of Remote Control Cars, Planes ...
Sales and expert service of RC cars, RC planes, RC helicopters, and LiPo batteries for North America, based in Orange County California. Gyro Hobbies has the .
http://www.gyrohobbies.com/
[athens airport shuttle bus] References
[one-two go flight attendants] External links
- day larine movie actress
- fiction books on cancer
- madder than a wet chicken
- quiet life blog grey haze
- naman's catering mobile al
- thai ridgebacks for sale
|
|


Sectus(latin word used for solidarity) is an saftey tool designed to keep you, your family and your community informed and safe from Covid-19. The app provide you with many features such as a covid risk assessment test that is regularly updated with the latest diagonsis procedure and symtoms associated with the diseases and also has a tool to find out how close you are to the outbreak and warms you when you are in high risk areas or have come in contact with a covid-19 carrier
The app anonymusly tracks its users using RandomID, a idea created by tech giants apple and andriod. It uses geofence to ignore a users location while they are at home and saves their location when they leave the fence and if they move at walking speed or less their location and time is periodically recorded.  Also the app provides us with a Inbox so users can be informed directly


Overview
This is the first draft of the CSS styleguide for Million Songs Library.
Table of contents
Sass CSS Preprocessor
The project uses Sass, a CSS pre-processor, meaning that it extends the CSS language, adding features that allow variables, mixins, functions and many other techniques that allow you to make CSS that is more maintainable, themable and extendable. This project uses the SCSS syntax.
KSS
KSS is a set of guidelines to help you produce an HTML styleguide tied to CSS documentation that is nice to read in plain text, yet structured enough to be automatically extracted and processed by a machine. It is designed with CSS preprocessors (such as SCSS or LESS) in mind, and flexible enough to accommodate a multitude of CSS frameworks (such as YUI, Blueprint or 960).
Material Design
At the root of this CSS and Angular architecture lies Google's Material Design Material Design. We are using the Angular Material Angular Material version of Material Design to leverage built in Angular components. Please view their documentation for utilising their functionalities.
Material Icons
Material Icons give you scalable vector icons in the form of an icon font that can instantly be customized via CSS - size, color, drop shadow, etc.


Youth Association DRONI is a non-governmental organization with the mission to promote the establishment of a modern, healthy, inclusive and educated society. In order to meet this task the association has been implementing the educational and youth development programs.
DRONI aims to support the young people’s physical, spiritual and educational development and to create educational initiatives developing young peoples competences in the field of civil society, conflict resolution, human rights and peace-building and to promote intercultural relations in Georgian society.
Youth Association Droni was established on the basis of the international organisation Academy for Educational Development in 2003 by the young people with 4-5 years working experience in NGO sector. DRONI is working mainly in education field on local and international level with different target groups (children, youth, students, teachers, refugees).
Our Activities Focus on:
Human Rights Education
Gender Issues
Conflict Prevention and Peace-building
Active Citizenship
Youth Participation


--- layout: post title: "Decoraptor" description: "A Dependency Injection design pattern" date: 2014-08-24 13:04 UTC tags: [Software Design, Dependency Injection, ASP.NET Web API, Design Patterns] image: "/content/binary/decoraptor.png" image_alt: "Decoraptor" --- {% include JB/setup %}
{{ page.description }}
This article describes a Dependency Injection design pattern called Decoraptor. It can be used as a solution to the problem:
How can you address lifetime mismatches without introducing a Leaky Abstraction?
By adding a combination of a Decorator and Adapter between the Client and its Service.
Sometimes, when a Client wishes to talk to a Service (Component in the figure; in practice often an interface), the Client may have a long lifetime, whereas, because of technical constraints in the implementation, the Service must only have a short lifetime. If not addressed, this may lead to a Captive Dependency: the long-lived Client holds onto the Service for too long.
One solution to this is a Decoraptor - a combination of a Decorator and an Adapter. A Decoraptor is a long-lived object that adapts an Abstract Factory, and uses the factory to create a short-lived instance of the interface that it, itself, implements.
A Decoraptor is an Adapter that looks almost like a Decorator. It implements an interface (Component in the above figure) by adapting an Abstract Factory. The factory creates other instances of the implemented interface, so the Decoraptor implements each operation defined by the interface by
While not strictly a Decorator, a Decoraptor is closely related because it ultimately delegates all implementation to another implementation of the interface it, itself, implements. The only purpose of a Decoraptor is to match two otherwise incompatible lifetimes.
While a Decoraptor is a fairly simple piece of infrastructure code, it still adds complexity to a code base, so it should only be used if necessary. The simplest solution to the Captive Dependency problem is to align the Client's lifetime to the Service's lifetime; in other words, make the Client's lifetime as short as the Service's lifetime. This doesn't require a Decoraptor: it only requires you to compose the Client/Service object graph every time you want to create a new instance of the Service.
Another alternative to a Decoraptor is to consider whether it's possible to refactor the Service so that it can have a longer lifetime. Often, the reason why a Service should have a short life span is because it isn't thread-safe. Sometimes, making a Service thread-safe isn't that difficult; in such cases, this may be a better solution (but sometimes, making something thread-safe is extremely difficult, in which case Decoraptor may be a much simpler solution).
Still, there may be cases where creating a new Client every time you want to use it isn't desirable, or even possible. The most common concern is often performance, although in my experience, that's rarely a real problem. More substantial is a concern that sometimes, due to technical constraints, it isn't possible to make the Client shorter-lived. In these cases, a Decoraptor is a good solution.
A Decoraptor is a better alternative to injecting an Abstract Factory directly into the Client, because doing that is a Leaky Abstraction. The Client is programming against an interface, and, according to the Dependency Inversion Principle,
Therefore, it would be a Leaky Abstraction if the Client were to define the interface based on the requirements of a particular implementation of that interface. A Decoraptor is a better alternative, because it enables the Client to define the interface it needs, and the Service to implement the interface as it can, and the Decoraptor's single responsibility is to make those two ends meet."clients [...] own the abstract interfaces"
- Agile Principles, Patterns, and Practices, chapter 11
Let the Client define the interface it needs, without taking lifetime issues into consideration. Implement the interface in a separate class, again disregarding specific lifetime issues.
Define an Abstract Factory that creates new instances of the interface required by the Client. Create a new class that implements the interface, but takes the factory as a dependency. This is the Decoraptor. In the Decoraptor, implement each method by invoking the factory to create the short-lived instance of the interface, and delegate the method implementation to that instance.
Create a class that implements the Abstract Factory by creating new instances of the short-lived Service.
Inject the factory into the Decoraptor, and inject the Decoraptor into the long-lived Client. The Decoraptor has the same lifetime as the Client, but each Service instance only exists for the duration of a single method call.
When using Passive Attributes with ASP.NET Web API, the Filter containing all the behaviour must be added to the overall collection of Filters:
var filter = new MeteringFilter(observer); config.Filters.Add(filter);
Due to the way ASP.NET Web API works, this configuration happens during Application_Start, so there's only going to be a single instance of MeteringFilter around. In other work, the MeteringFilter is a long-lived Client; it effectively has Singleton lifetime scope.
MeteringFilter depends on IObserver<MeterRecord> (See the article about Passive Attributes for the full code of MeteringFilter). The observer injected into the MeteringFilter object will have the same lifetime as the MeteringFilter object. The Filter will be used from concurrent threads, and while MeteringFilter itself is thread-safe (it has immutable state), the injected observer may not be.
To be more concrete, this question was recently posted on Stack Overflow:
"The filter I'm implementing has a dependency on a repository, which itself has a dependency on a custom DbContext. [...] I'm not sure how to implement this, while taking advantage of the DI container's lifetime management capabilities (so that a new DbContext will be used per request)."It sounds like the DbContext in question is probably an Entity Framework DbContext, which makes sense: last time I looked, DbContext wasn't thread-safe. Imagine that the IObserver<MeterRecord> implementation looks like this:
public class SqlMeter : IObserver<MeterRecord> { private readonly MeteringContext ctx; public SqlMeter(MeteringContext ctx) { this.ctx = ctx; } public void OnNext(MeterRecord value) { this.ctx.Records.Add(value); this.ctx.SaveChanges(); } public void OnCompleted() { } public void OnError(Exception error) { } }
The SqlMeter class here takes the place of the Service in the more abstract language used above. In the Stack Overflow question, it sounds like there's a Repository between the Client and the DbContext, but I think this example captures the essence of the problem.
This is exactly the issue outlined above. Due to technical constraints, the MeteringFilter must be a Singleton, while (again due to technical constraints) each Observer must be either Transient or scoped to each request.
In order to resolve a problem like the example above, you can introduce a Decoraptor, which sits between the Client (MeteringFilter) and the Service (SqlMeter). The Decoraptor relies on an Abstract Factory to create new instances of SqlMeter:
public interface IFactory<T> { T Create(); }
In this case, the Abstract Factory is a generic interface, but it could also be a non-generic interface that only creates instances of IObserver<MeterRecord>. Some people prefer delegates instead, so would use e.g. Func<IObserver<MeterRecord>>. You could also define an Abstract Base Class instead of an interface, if that's more to your liking.
This particular example also disregards decommissioning concerns. Effectively, the Abstract Factory will create instances of SqlMeter, but since these instances simply go out of scope, the contained MeteringContext isn't being disposed of in a deterministic manner. In a future article, I will remedy this situation.
In order to resolve the lifetime mismatch between MeteringFilter and SqlMeter you can introduce a generic Decoraptor:
public class Observeraptor<T> : IObserver<T> { private readonly IFactory<IObserver<T>> factory; public Observeraptor(IFactory<IObserver<T>> factory) { this.factory = factory; } public void OnCompleted() { this.factory.Create().OnCompleted(); } public void OnError(Exception error) { this.factory.Create().OnError(error); } public void OnNext(T value) { this.factory.Create().OnNext(value); } }
Notice that Observeraptor<T> can adapt any IObserver<T> because it depends on the generic IFactory<IObserver<T>> interface. In each method defined by IObserver<T>, it first uses the factory to create an instance of a short-lived IObserver<T>, and then delegates the implementation to that object.
Since MeteringFilter depends on IObserver<MeterRecord>, you also need an implementation of IFactory<IObserver<MeterRecord>> in order to compose the MeteringFilter object graph:
public class SqlMeterFactory : IFactory<IObserver<MeterRecord>> { public IObserver<MeterRecord> Create() { return new SqlMeter(new MeteringContext()); } }
This implementation simply creates a new instance of SqlMeter and MeteringContext every time the Create method is invoked; hardly surprising, I should hope.
You now have all building blocks to correctly compose MeteringFilter in Application_Start:
var factory = new SqlMeterFactory(); var observer = new Observeraptor<MeterRecord>(factory); var filter = new MeteringFilter(observer); config.Filters.Add(filter);
Because SqlMeterFactory creates new instances of SqlMeter every time MeteringFilter invokes IObserver<MeterRecord>.OnNext, the lifetime requirements of the DbContext are satisfied. Moreover, MeteringFilter only depends on IObserver<MeterRecord>, so is perfectly shielded from that implementation detail, so no Leaky Abstraction was introduced.
Questions related to the issue of lifetime mismatches are regularly being asked on Stack Overflow, and I've had a bit of success recommending Decoraptor as a solution, although at that time, I had yet to come up with the name:
Comments
Hi Mark! I'm implementing a global filter in ASP.NET WebApi 2, which depends on a service that in turn requires access to the current request's
HttpContext
. Would a decoraptor-like pattern aroundHttpContext.Current
be appropriate for this or is that asking for trouble with regards to thread-safety or other potential gotchas? Thank you!I put together this Gist to show what I'm after.
Tony, thank you for writing. I always managed to stay away from
HttpContext.Current
. I don't like the Ambient Context design, and I don't trust that I can reason about how it actually works with concurrent requests. If you're writing a filter, can't you get what you need from theHttpActionContext
that's passed as an argument toIActionFilter.ExecuteActionFilterAsync
?I don't know exactly what it is that you need from
HttpContext
, and I'm also not sure that I'm looking at the correct version of documentation for ASP.NET Web API, so I could be missing the point here.Mark, thanks for the quick reply. The service in question is meant to be responsible for plucking off certain properties out of the Request and mapping them to a context object used in downstream processing of
OnActionExecutionAsync
. It is meant to be an extension point for users of the filter. Anyway, I was striving to makeHttpContextBase
an explicit constructor dependency of the service. Needless to say, I couldn't do what you're proposing in the composition root.However, instead of constructor injection, I suppose I could float the context from the filter's
ActionExecutingContext.HttpContext
, into an instance method of the service like_myService.MapRequestInfo(ActionExecutingContext.HttpContext)
. This appears to be what ASP.NET Core does for custom middleware components: https://docs.microsoft.com/en-us/aspnet/core/fundamentals/http-context?view=aspnetcore-3.1#use-httpcontext-from-middleware.Would you favor this approach or do you think there might be a design smell going on?
Tony, it sounds like you're designing a model for middleware. It's not clear to me why you're doing this; filters are already middleware.
As I wrote, I'm in the dark. It's been years since I worked with ASP.NET Web API 2, and I'm not even sure that I'm looking at the right API documentation. Unless I'm looking at the wrong version of the API, though, doesn't
ExecuteActionFilterAsync
provide the objects you need? For example, you can get the request object fromactionContext.Request
.Mark, thanks for your input.
Yes, you are correct about having access to the request via
actionContext.Request
(though the Headers property doesn't seem mockable for unit testing) -- I'm multi-targeting netcore and netfx and mistakenly pasted the code for the wrong framework in my previous comment. Sorry for the confusion.I guess it *is* kind of like middleware for my filter, where each middleware contributes data that the filter aggregates as a dictionary and sends off to a SaaS service as the context for evaluating a feature flag. The thing is, this is for an abstraction over the vendor's SDK and developers who use this abstraction need the flexibility to add whatever KVPs are necessary for the evaluation of any given feature flag being introduced. The idea is, if a developer is implementing toggle point code for a new feature flag that requires some contextual info, they can create and register a new service/"middleware" that provides that contextual info. I added an example class to the Gist for clarity.
Also, the flag context might not ALWAYS be derived from the HTTP request alone; it could come from configuration info or some other source I suppose. Hopefully, that sheds more light on the subject.
Tony, it's still not quite clear to me what you're trying to do (e.g. what's
MyCustomFilter
?), but if you truly have a class that depends onHttpContextBase
, I think that you're supposed to use HttpContextWrapper.Agreed.
HttpContextWrapper
is in the decoraptor's factory method. :)Apologies. I renamed
MyCustomFilter
toFeatureGateFilter
-- it's inspired by Microsoft.FeatureManagement but I'm using the passive attributes pattern so this is the guy who does the work of locating [FeatureGate] attributes, calling the feature context providers, and finally talking to the SaaS service (passing the accumulated context along for evaluation).In any case, I get your point about avoiding HttpContext. I may look to pass the
Request
into theGetContext
method (method injection?) instead of constructor injection for that reason, though some of the context providers may not use it.Tony, what I meant with
HttpContextWrapper
was that it already represents the abstraction you need (HttpContextBase
). Why would you need a Decoraptor around it?Oh, the answer is because
HttpContextWrapper
doesn't behave reliably with a singleton lifetime and it can't be anything else (even when registered with a transient lifetime in a DI container) because it always gets promoted to a singleton due to the object graph being added to the global filters collection. Unlike ASP.NET Core, which supports type activation of filters viaFilterCollection.Add<TFilterType>()
and friends, it seems ASP.NET MVC 5 filters can only be added by instance, effectively making the entire dependency graph singleton, as you pointed out in the "Motivating Example" section above.For thoroughness, what I meant by "doesn't behave reliably" is that each property access,
httpContextWrapper.Request
for example, yields a new object instance (which seems promising), but its nested property values, sayhttpContextWrapper.Request.Headers
, are referentially equal to the instances of their initial evaluation. Therefore, I also observed thathttpContextWrapper.Request.Path
is always"/"
assuming the initial request was for the root, regardless of the actual URLs associated with successive requests. (At least these were my obversations. 🤷.) So that's how I landed here on decoraptor.Tony, if a Decoraptor around
HttpContextBase
addresses your problem, then by all means go for it 🙂


{% extends 'base.html' %} {% load rating %} {% load guardian_tags %} {% block team_content %}
This Review of {{ review.item.name }} was created by {{ review.actor.user.username }} {{ review.created | timesince }} ago on {{ review.created }}
Headline: {{ review.headline }}
Show {% if 'change_review' in review_perms %} Update {% endif %} {% if 'delete_review' in review_perms %} Delete {% endif %}


TBT: Sirino's Dazzling Cameo Vs Barca
by SL SocialGaston Sirino's name may be on the lips of many fans for the wrong reasons recently, but today we throw it back to when the Uruguayan shone against one of the best teams in the world, Barcelona FC. Check it out!
Ever since the PSL's decision to ban Cape Town City midfielder Mpho Makola for six months after he was found guilty of assaulting a match official, fans have called for Sirino to receive similar punishment following his slap on Dean Furman and Clayton Daniels earlier this season.
Downs coach Pitso Mosimane subsequently admitted that Sirino's temperament needs to be managed better, and in the same breath, acknowledged the skilful attacker's influence in the team.
Download The Soccer Laduma Social Media App & Earn Airtime for Selfies!
That influence was felt when the Brazilians took on Barcelona in a friendly match last year, when he was introduced as a 75th minute substitute. He immediately showed his class as he picked out Tebogo Langerman with a Lionel Messi-esque through-ball.
As the game petered out, Sirino often found space between Barca's midfield and defence, a feat some of the best midfielders in the game often fail to achieve when facing the Catalan giants.
Check out some highlights of Sirino's cameo against the Blaugrana:
Do you think Sirino is the best player in the PSL?


1 Samuel 23:10
Then said David, O LORD God of Israel, thy servant hath certainly heard that Saul seeketh to come to Keilah, to destroy the city for my sake.


Cases
Controls
Meet the Team
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Contact Us
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The Not Fracking Study
//https://www.youtube.com/embed/qSK6j_8NbM0//
Public Opinion Research for Public Health


Hi, my name is Gary and I make things. My passion is watching a project grow from an idea to a finished, polished product out in the world.
What I work towards is good code, sustainable design and meaningful content. To me technology is a source of wonder and inspiration. Building with code is building our future and I want our future to be amazing.
Let's start creating your vision today.


Preparation time
less than 30 mins
Cooking time
10 to 30 mins
Serves
Makes 5 large muffins
Dietary
This easy brunch recipe is great for using up a glut of courgettes. Try serving the muffins with scrambled eggs and bacon.
Preheat the oven to 180C/350F/Gas 4. Grease 5 of the holes in a 12-hole muffin tray with olive oil.
Mix the flour, baking powder, courgette, seasoning and 50g/1¾oz of the cheese together in a bowl.
In a separate bowl, whisk the milk, egg and olive oil together until well combined. Add the liquid mixture and rosemary to the dry ingredients and mix until well combined.
Divide the mixture among the muffin holes and bake for 10 minutes in the oven, then sprinkle over the remaining cheese. Bake for a further 10-15, or until risen and golden-brown.
Serve the muffins warm, with butter.


Choosing to trust God’s goodness means that we turn our waiting over to Him. When we do, moments when we impatiently thought nothing was happening at all can become some of the most productive, transformational times of our lives.
Pray About It
Psalm 46:10 tells us to “be still, and know that I am God.” Spend some time waiting on God in prayer. This isn’t time to ask God for anything or even to talk to Him; it’s just a time to wait and be quiet. Set aside a time and place where you can be silent. Set a timer for five or ten minutes if it helps. Sit still and quiet the thoughts of your mind. If a thought comes to your mind, let it float away like a leaf floats downstream, and return your mind to quiet.
This is sometimes difficult the first time or the first few times you try it. Our minds naturally have a lot of thoughts rumbling around, and they pop up quickly when we’re quiet. The discipline of quieting your mind and sitting still is one that will carry over to other moments in your days. The peace you receive in this waiting time will seep out into the other areas of your life.
Act on It
Our experience of waiting has changed drastically with the arrival of cell phones. Many people use their “waiting” time in line, in a doctor’s office, and even in traffic to make calls or text messages or check their e-mail and Facebook on their phones. This week, take a day where you intentionally wait in “electronic silence.” Look around the doctor’s office and observe those around you. Start a conversation with those in line at the grocery store. Observe the people and things around you and ask God to teach you something. What can you learn from your waiting time this week?
Start a waiting journal. Keep a list of the times you wait and how you feel. Where is your attention as you wait for little things? What is your attitude? How about the big things in your life? Look back and remember waiting for life events and how it felt to wait. Write a paragraph praising God for who He is and what He provides while you wait on Him. Look ahead to things you are waiting for now and write about how God is working in your life as you wait.


jostalpha() (or jostα())
Calculates Jost's alpha diversity of a series of columns representing independent community counts, for a series of orders, repesented as a vector of qs. This is just the naive-community ecosystem diversity divided by the naive-community beta diversity.
Arguments:
proportions relative proportions of different individuals / species in population (vector, or matrix where columns are for individual sub-communities)
qs single number or vector of orders of diversity measurement
Returns:
- array of diversities, first dimension representing sub-communities, and last representing values of q


11) Automated testing and packaging your project¶
FYI: Continuous integration¶
Wouldn’t it be nice if every time we pushed to GitHub, all of our tests were run and we got a report on whether they passed?
So many people want this that there are multiple tools to help you do so. A commonly used one is Travis CI. Start by signing up at https://travis-ci.org/ and follow the directions to hook it to your GitHub account. We are using the free version so it does not prioritize running our tests, but they will run eventually, and you’ll get a report as to whether all tests pass on its system.
Setting up your package to run anywhere¶
First, we need a place where we will have all our programs on our
computer, that our OS will look at to find them. See if you already have
the folder: $HOME/.local/bin
. If not, please create it.
We also need to tell bash that this is a place to look for code. Find where your PATHs are noted (either .bashrc or .bash_profile) and add this line: ~~PATH=:math:`PATH:HOME/.local/bin`~~
Save and source the file (e.g. . .bashrc
).
Now, in your python project, go to setup.py
in the main directory
for your project. Make sure that the following line is there:
In [1]:
entry_points={'console_scripts': ['data_proc = arthritis_proj.data_proc:main',
],
}, package_dir={'arthritis_proj': 'arthritis_proj'}, install_requires=['numpy', 'matplotlib']
File "<ipython-input-1-6410d1927269>", line 1
entry_points={'console_scripts': ['data_proc = arthritis_proj.data_proc:main',
^
SyntaxError: can't assign to literal
These entry_points
are how we will invoke the project on the command
line (type data_proc
to launch arthritis_proj.data_proc:main
).
Now, open the terminal to the main directory and run
python setup.py sdist
If this is your first time running the command, it will create the
folder dist
. Let’s look there; you should see a .tar.gz
file
there.
This is a rather log name. It is identifying exactly which git version is associated with this tarball. Let’s give it a nicer looking name by adding a tag:
git tag -a 'ver0.0' -m 'Initial version with tests'
Again running python setup.py sdist
we see a nicer name, and will
delete the old one.
Now, let’s install the package!
pip install dist/arthritis_proj-ver0.0.tar.gz --user
Note: We can copy this tarball to any other system and install it in the
same way. After the first time you install the project, you’ll want to
add the --upgrade
flag after install
.
Let’s check that this worked. First, let’s see if data_proc
is now
in $HOME/.local/bin
. It is! Hooray!
Now, I’m going to go to an entirely different directory and make a file
data.csv
with the following data: ~~1,2,3,4,5 6,7,8,9,10
3,6,8,2,1 6,2,9,2,0~~
In that directory, all I need to do is enter data_proc
, and the
program runs! ~~~ truffle:hw_solutions hbmayes$ data_proc Wrote file:
data_stats.csv Wrote file: data_stats.png ~~~
Next steps¶
We continue building on your programming skills, going more into helpful libraries including numpy and pandas.


We examine tables!
- synthesize cross-platform systems
- aggregate revolutionary technologies
- evolve ubiquitous platforms
- incubate proactive paradigms
- enhance next-generation deliverables
- matrix visionary supply-chains
- whiteboard clicks-and-mortar niches
- seize strategic markets
- enable end-to-end niches
- orchestrate best-of-breed content


Adam Walker
Linkedin ● Github ● Chicago, IllFullstack Web and Hybrid Mobile Application Developer
I create neatly written code to optimize performance and user activity. I enjoy Coding because it gives me nature ability to creat something from scratch and unique. The projects I enjoy building have value to a user or multiple users. I am fully invested in building projects that will make life generally more easy to handle by using a mobile application.
- Computer Savvy
- Strong attention to detail
Core Competencies
- Full Stack Development
- Front End Development
- Server-Side Development
- Hybrid Mobile Development
- Savy Mobile Solver
- Strong Eye For Design
Certification and Technical Proficiences
- Certification Agile Certified Scrum Master
- Platform Linux, LAMP, Mean, Node.js
- Database Mysql, MongoDB
- Tools VScode, SSH, Gulp, Git
- Languages Html, CSS, SASS, Javascript, ES6, PHP, Bash, Sql, Typescript.
Professional Experience
Central Building Preservation - chicago, Il 2015 - 2017
The employer I previously worked for was very organized but not busy. The company itself is a very good company to work for but at some times can be a little slow picking up work.
Job Title
Construction
Perform laborer skills in order to prep the bricklayers and tuckpointer for there start of ther day.


France 10-20 England: Red Roses earn first win on French soil since 2012
| Autumn internationals: France v England |
|---|
| France (3) 10 |
| Try: Boudaud Con: Tremouliere Pen: Tremouliere |
| England (17) 20 |
| Tries: Hunter (2) Cons: Scarratt (2) Pens: Scarratt (2) |
England began their autumn internationals with an impressive win over France - their first victory on French soil for seven years.
The Red Roses dealt with early French pressure at a raucous Stade Marcel-Michelin, and captain Sarah Hunter then scored twice the before the break.
New World Rugby player of the year Emily Scarratt was immaculate with the boot, kicking 10 points.
Camille Boudaud went over for France in the second half but England held on.
It was only a second defeat for French in 19 home games and the Red Roses' first win away in France since 2012.
The sides meet again next weekend at Exeter's Sandy Park.
England lay down a marker
England and France have become the dominant teams in northern-hemisphere women's rugby, with one or the other winning the Six Nations in each of the past four years.
France have been fearsome at home in that period; their only defeat on French turf since 2014 has been against world champions New Zealand.
The hosts were once again cheered on by a passionate crowd at the home of club side Clermont-Auvergne - but despite a fast start, they were restricted by England's defence to just three points via a Jessy Tremouliere penalty.
England, imposing at the line-out, grew into the game and scored twice in the final 10 minutes of the first half - Hunter going over on both occasions following good work from her fellow forwards.
It was not a perfect performance from England; Marlie Packer was sin-binned in the second half and Boudaud scored France's try in the corner soon after, but it was one that laid down a marker before next year's Six Nations and the World Cup in 18 months' time.
The Red Roses' first match of the 2020 Six Nations is away in France, a game that could well decide the tournament's winners.
Teams
England: McKenna; Dow, Scarratt, Harrison, Breach; Daley-Mclean, Riley; Botterman, Davies, Bern, Aldcroft, Scott, Beckett, Packer, Hunter.
Replacements: Kerr, Perry, Brown, Cleall, Fleetwood, Hunt, Scott, Thompson
France: Tremouliere; Boujard, Boudaud, Vernier, Menager; Drouin, Bourdon; Deshayes, Sochat, Joyeux; Corson, N'Diaye; Mayans, Hermet, Menager.
Replacements: Thomas, Traore, Pelle, Ferer, Annery, Sansus, Peyronnet, Jason


|
tesseract
5.0.0-alpha-619-ge9db
|
#include <points.h>
Public Member Functions | |
| ICOORDELT ()=default | |
| empty constructor More... | |
| ICOORDELT (ICOORD icoord) | |
| constructor from ICOORD More... | |
| ICOORDELT (int16_t xin, int16_t yin) | |
| Public Member Functions inherited from ELIST_LINK | |
| ELIST_LINK () | |
| ELIST_LINK (const ELIST_LINK &) | |
| void | operator= (const ELIST_LINK &) |
| Public Member Functions inherited from ICOORD | |
| ICOORD () | |
| empty constructor More... | |
| ICOORD (int16_t xin, int16_t yin) | |
| ~ICOORD ()=default | |
| destructor More... | |
| int16_t | x () const |
| access function More... | |
| int16_t | y () const |
| access_function More... | |
| void | set_x (int16_t xin) |
| rewrite function More... | |
| void | set_y (int16_t yin) |
| rewrite function More... | |
| void | set_with_shrink (int x, int y) |
| Set from the given x,y, shrinking the vector to fit if needed. More... | |
| float | sqlength () const |
| find sq length More... | |
| float | length () const |
| find length More... | |
| float | pt_to_pt_sqdist (const ICOORD &pt) const |
| sq dist between pts More... | |
| float | pt_to_pt_dist (const ICOORD &pt) const |
| Distance between pts. More... | |
| float | angle () const |
| find angle More... | |
| bool | operator== (const ICOORD &other) const |
| test equality More... | |
| bool | operator!= (const ICOORD &other) const |
| test inequality More... | |
| void | rotate (const FCOORD &vec) |
| void | setup_render (ICOORD *major_step, ICOORD *minor_step, int *major, int *minor) const |
| bool | Serialize (FILE *fp) const |
| bool | DeSerialize (bool swap, FILE *fp) |
Static Public Member Functions | |
| static ICOORDELT * | deep_copy (const ICOORDELT *src) |
Additional Inherited Members | |
| Protected Attributes inherited from ICOORD | |
| int16_t | xcoord |
| x value More... | |
| int16_t | ycoord |
| y value More... | |
|
default |
empty constructor
|
inline |
|
inline |


{{controller.cashierTradermainSrv.service.amount | jmRsNumberFormatFilter}}
to
{{controller.cashierTradermainSrv.service.amountConverted | jmRsNumberFormatFilter}}
Service has beed CREATED.
Service has beed COMPLETED.
Service has beed DESISTED by the Trader.
Service has beed ABANDONED by the Trader.
Bank had connection problems, and the service could not be attended. We apologize for the inconveniences.
Buy more chips.


Purchase professional attire for formal internship interviews
|
Review Sun Devil Career Link at least once per week to avoid missing internship deadlines
|
Attend the Business Career Fair, as well as any other recruiting networking events related to your major, such as Accountancy Meet the Firms
|
Continue to read your weekly electronic newsletter from your career consultant
|
Narrow your career alternatives by creating an A-list of industries and companies
|
Determine which of your targeted organizations have formal internship programs
|
Become familiar with hiring methods and timeframes for internships of interest.
|
Attend Career Fiesta in late September
|
Revise your resume and your 30 second commercial
|
Upload your revised resume to Sun Devil Career Link
|
Participate in at least two workshops or information sessions sponsored by the Business Career Center or Career Services
|
Start attending company information sessions on a regular basis
|
Consider subscribing to at least one business publication
|
Join a pertinent professional association with a student chapter or reduced student membership
|
Apply for internships and do thorough follow-up with those firms
|


-
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Taking Back Sunday to Host Food Drive and Contest to Support ...
Taking Back Sunday, Long Island's very successful and popular alternative rock band is returning to the Paramount in Huntington on Wednesday, November 21 .
http://myemail.constantcontact.com/Taking-Back-Sunday-to-Host-Food-Drive-and-Contest-to-Support-Long-Island-Cares.html?soid=1102506131137&aid=1O-AI463Wgg
-
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Charity Navigator Rating - Long Island Cares
We are the leading anti-hunger organization and the only food bank on Long Island. Long Island Cares was founded in 1980 by the late singer/activist Harry .
http://www.charitynavigator.org/index.cfm?bay=search.summary&orgid=8621
-
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Donate Food - Food Bank Association NYS
The Regional Food Bank of Northeastern New York (Albany Area). City Harvest. The Food Bank For New York City. Island Harvest. Long Island Cares (the Harry .
http://www.foodbankassocnys.org/donate-food.cfm
-
abengoa quality systems manager
Graf Wraps Up Island Harvest Food Drive
Dec 7, 2011 . Assemblyman Al Graf (R,C-Holbrook) recently concluded his food drive in conjunction with the Island Harvest Food Banks of Long Island and .
http://assembly.state.ny.us/member_files/005/20111207/
-
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Long Island Cares - Hauppauge, NY Patch
Long Island Cares, a Hauppauge-based food bank, played a . Long Island Cares - The Harry Chapin Food Bank experienced the magic of Macy's as it received .
http://hauppauge.patch.com/topics/Long+Island+Cares
-
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long island cares, inc., the harry chapin food bank - Agency Profile
Programs include the Regional Food Bank which collects and distributes emergency food to over 500 agencies in Nassau and Suffolk counties , New Paths to .
http://211longisland.communityos.org/sys/profile.taf?profiletype=agency&recordid=155690
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DONATE FOOD TO LONG ISLAND CARES @ MINEOLA LIBRARY ...
Aug 4, 2011 . The Mineola Library will be holding a food drive to benefit Long Island Cares INC , the Harry Chapin Food Bank. If you would like to make a food .
http://www.nassaulibrary.org/mineolanews/2011/08/donate_food_to_long_island_car.html
-
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Donations from the WDBJ7 Home and Away Food Drive headed to ...
Nov 15, 2012 . A member of the staff heads out tomorrow for a temporary assignment with Island Harvest, the food bank on Long Island. The food is scheduled .
http://articles.wdbj7.com/2012-11-15/food-drive_35139759
-
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Feeding America - Food Bank for New York City
New York State Food Bank Association logo . Long Island Cares, Inc. (based in Brentwood); Regional Food Bank of Northeastern New York (based in Albany) .
http://www.foodbanknyc.org/news/nonprofit-partners
-
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Long Island Cares
Jan 29, 2009 . Yet, today Long Island Cares carries on both his name The Harry Chapin Food Bank and his mission, serving 570 soup kitchens, food .
http://www.nynp.biz/index.php/agencies-of-the-month/307-long-island-cares-.html
-
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Brownie Scout Troop 1831 Holds Food Drive for Sandy Relief ...
Nov 13, 2012 . These girls collected 700 pounds of food and water in only two hours and donated it to Island Harvest, a food bank for Long Island. The troop .
http://mineola.patch.com/articles/brownie-scout-troop-1831-holds-food-drive-for-sandy-relief
-
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Animal Relief Fund
Special thanks to The Mayor's Alliance, Rescue Bank, Long Island Cares and Food Bank For New York City for their continued support of ARF! and its mission.
http://arf-ny.org/
-
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It is important to mention why food is needed, what food is ... - Meetup
Long Island Cares Food Drive Fact Sheet. Why? ? 320,000 people on LI go hungry each day, including 110,000 children. ? The Working Poor are families of 4 .
http://files.meetup.com/30873/LI%20Cares%20FD%20Fact%20sheet.doc
-
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Annual Food Drive - Coolsmiles Orthodontics
The Harry Chapin Food Bank is Long Island's First Food Bank and, together with . Support Coolsmiles Holiday Food Drive Long Island Cares Harry Chapin .
http://bracesbycoolsmiles.com/community/annual-food-drive/
-
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UUPdate - Stony Brook Chapter mounts successful food drive
Nov 3, 2011 . The idea of the food drive came from UUP's Community Services Committee. Its proceeds went to Long Island Cares, the Harry Chapin Food .
http://uupinfo.org/communications/uupdate/1112/111103.php
-
abengoa quality systems manager
Long Island Cares, Inc. - Food Bank
Long Island Cares Long Island's First Food Bank and. Comprehensive Hunger Assistance Organization Because it takes more than food to feed the hungry .
http://www.licares.org/LICpages/Food_Bank.htm
-
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Frequently Asked Questions - The INN
The INN addresses the issues of hunger and homelessness on Long Island by providing food, shelter, long-term housing and supportive services in a dignified .
http://www.the-inn.org/about-the-inn/frequently-asked-questions.html
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Long Island Cares, Inc. - Food Pantry
Long Island Cares Long Island's First Food Bank and. Comprehensive Hunger Assistance Organization Because it takes more than food to feed the hungry .
http://www.licares.org/LICpages/Food_Pantry.htm
-
cinnamon uff balls recipe
Long Island Cares Canned Food Drive / CanStruction Display of ...
Nov 10, 2011 . check out Long Island Cares Canned Food Drive / CanStruction Display of Canned Food Sculptures Oct. 28 - Nov. 10, a Benefit event at 626 .
http://eastmeadow.patch.com/events/long-island-cares-canned-food-drive-canstruction-display-of-canned-food-sculptures
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Sponsor a Drive - The INN
You can sponsor a drive at school, work or anywhere else and help our Long Island . Food Drive: Have a drive for non-perishable food items that can be .
http://www.the-inn.org/how-you-can-help/sponsor-a-drive.html


PBoC to Test Crypto Yuan with Telecom Firms, Commercial Banks
by Christine VasilevaPeople’s Bank of China is entering another stage of its tests for a crypto payment system. The central bank announced it had completed the preliminary tests and has turned to create a testing ground with the aid of major Chinese companies and banks.
PBOC Performs Pilot Tests for its Crypto
People’s Bank of China has tested its crypto-asset payment system since 2014 but has abstained from an official launch. Now, a news report suggests the central bank may launch a pilot test of the digital currency in the cities of Shenzhen and Suzhou, onboarding local large-scale commercial banks and local telecom giants like Huawei.
The current test will be a small-scale operation running until the end of the year, reported the Caijing magazine. Afterward, 2020 will see further testing, to establish the best model for a yuan-pegged digital coin.
The tests will be performed in a “horse race” model, with each commercial bank proposing a different payment model. The best ones may be used to launch the crypto yuan, explained a person close to the tests.
Digital Yuan May Circumvent Global Financial System
The actual situation with the digital yuan did not reach the promised launch “by the end of November”, which turned out to be an exaggerated rumor. Still, China is setting up a precedent that may have repercussions both for the crypto space and for the global financial system.
China’s digital asset may create a new pathway of money, potentially circumventing US-based sanctions, and going beyond the control of banks. This may end up financing regimes like North Korea, commented Paul Vigna at the Wall Street Journal.
China’s Digital Asset to Potentially Replace Cash for Private Users
So far, the PBOC is the first central bank to run detailed tests of it’s digital currency using the technology similar to Bitcoin, but also being backed by the State. The European Central Bank, under its new President Christine Lagarde, has admitted the possibility for creating a digital euro, but without advanced technical tests.
Fan Yifei, deputy governor of the PBOC, stated that the digital payment system is aimed at replacing M0, or actual cash in circulation. The central bank already uses a solely digital ledger for broad money and will keep the legacy system to transfer funds to commercial banks. But everyday money may be replaced by a technologically advanced version.
The usage of mobile-based payments, as well as the prevalence of WeChat and AliPay as fintech solutions also suggest the need for a more secure digital form of money.
The PBOC has no hard deadline for launching the crypto yuan, reminded the bank’s governor, Yi Gang. There will, however, be a series of tests to select the best model for supplying digital cash.
What do you think about China’s drive to introduce a crypto yuan? Share your thoughts in the comments section below!
Image via Shutterstock
The Rundown


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6.11. Kudu Connector
The Kudu connector allows querying, inserting and deleting data in Apache Kudu
Compatibility
Connector is compatible with all Apache Kudu versions starting from 1.0.
If the connector uses features that are not available on the target server, an error will be returned. Apache Kudu 1.8.0 is currently used for testing.
Configuration
To configure the Kudu connector, create a catalog properties file
etc/catalog/kudu.properties
with the following contents,
replacing the properties as appropriate:
connector.name=kudu ## List of Kudu master addresses, at least one is needed (comma separated) ## Supported formats: example.com, example.com:7051, <IP_ADDRESS>, <IP_ADDRESS>:7051, ## [2001:db8::1], [2001:db8::1]:7051, 2001:db8::1 kudu.client.master-addresses=localhost ## Kudu does not support schemas, but the connector can emulate them optionally. ## By default, this feature is disabled, and all tables belong to the default schema. ## For more details see connector documentation. #kudu.schema-emulation.enabled=false ## Prefix to use for schema emulation (only relevant if `kudu.schema-emulation.enabled=true`) ## The standard prefix is `presto::`. Empty prefix is also supported. ## For more details see connector documentation. #kudu.schema-emulation.prefix= ####################### ### Advanced Kudu Java client configuration ####################### ## Default timeout used for administrative operations (e.g. createTable, deleteTable, etc.) #kudu.client.default-admin-operation-timeout = 30s ## Default timeout used for user operations #kudu.client.default-operation-timeout = 30s ## Default timeout to use when waiting on data from a socket #kudu.client.default-socket-read-timeout = 10s ## Disable Kudu client's collection of statistics. #kudu.client.disable-statistics = false
Querying Data
Apache Kudu does not support schemas, i.e. namespaces for tables. The connector can optionally emulate schemas by table naming conventions.
Default behaviour (without schema emulation)
The emulation of schemas is disabled by default.
In this case all Kudu tables are part of the default
schema.
For example, a Kudu table named orders
can be queried in Presto
with SELECT * FROM kudu.default.orders
or simple with SELECT * FROM orders
if catalog and schema are set to kudu
and default
respectively.
Table names can contain any characters in Kudu. In this case, use double quotes.
E.g. To query a Kudu table named special.table!
use SELECT * FROM kudu.default."special.table!"
.
Example
- Create a users table in the default schema with
CREATE TABLE kudu.default.users ( user_id int WITH (primary_key = true), first_name varchar, last_name varchar ) WITH ( partition_by_hash_columns = ARRAY['user_id'], partition_by_hash_buckets = 2 );
On creating a Kudu table you must/can specify addition information about the primary key, encoding, and compression of columns and hash or range partitioning. Details see in section Create Table.
- The table can be described using
DESCRIBE kudu.default.users;
You should get something like
Column | Type | Extra | Comment
------------+---------+-------------------------------------------------+---------
user_id | integer | primary_key, encoding=auto, compression=default |
first_name | varchar | nullable, encoding=auto, compression=default |
last_name | varchar | nullable, encoding=auto, compression=default |
(3 rows)
- Insert some data with
INSERT INTO kudu.default.users VALUES (1, 'Donald', 'Duck'), (2, 'Mickey', 'Mouse');
- Select the inserted data
SELECT * FROM kudu.default.users;
Behaviour With Schema Emulation
If schema emulation has been enabled in the connector properties, i.e. etc/catalog/kudu.properties
,
tables are mapped to schemas depending on some conventions.
With
kudu.schema-emulation.enabled=true
andkudu.schema-emulation.prefix=
, the mapping works like:Kudu Table Name Presto Qualified Name orders
kudu.default.orders
part1.part2
kudu.part1.part2
x.y.z
kudu.x."y.z"
As schemas are not directly supported by Kudu, a special table named
$schemas
is created for managing the schemas.With
kudu.schema-emulation.enabled=true
andkudu.schema-emulation.prefix=presto::
, the mapping works like:Kudu Table Name Presto Qualified Name orders
kudu.default.orders
part1.part2
kudu.default."part1.part2"
x.y.z
kudu.default."x.y.z"
presto::part1.part2
kudu.part1.part2
presto:x.y.z
kudu.x."y.z"
As schemas are not directly supported by Kudu, a special table named
presto::$schemas
is created for managing the schemas.
Data Type Mapping
The data types of Presto and Kudu are mapped as far as possible:
| Presto Data Type | Kudu Data Type | Comment |
|---|---|---|
BOOLEAN |
BOOL |
|
TINYINT |
INT8 |
|
SMALLINT |
INT16 |
|
INTEGER |
INT32 |
|
BIGINT |
INT64 |
|
REAL |
FLOAT |
|
DOUBLE |
DOUBLE |
|
VARCHAR |
STRING |
see [1] |
VARBINARY |
BINARY |
see [1] |
TIMESTAMP |
UNIXTIME_MICROS |
µs resolution in Kudu column is reduced to ms resolution |
DECIMAL |
DECIMAL |
only supported for Kudu server >= 1.7.0 |
CHAR |
not supported | |
DATE |
not supported [2] | |
TIME |
not supported | |
JSON |
not supported | |
TIME WITH
TIMEZONE |
not supported | |
TIMESTAMP WITH TIME
ZONE |
not supported | |
INTERVAL YEAR TO MO
NTH |
not supported | |
INTERVAL DAY TO SEC
OND |
not supported | |
ARRAY |
not supported | |
MAP |
not supported | |
IPADDRESS |
not supported |
| [1] | (1, 2) On performing CREATE TABLE ... AS ... from a Presto table to Kudu,
the optional maximum length is lost |
| [2] | On performing CREATE TABLE ... AS ... from a Presto table to Kudu,
a DATE column is converted to STRING |
Supported Presto SQL statements
| Presto SQL statement | Comment |
|---|---|
SELECT |
|
INSERT INTO ... VALUES |
Behaves like upsert |
INSERT INTO ... SELECT ... |
Behaves like upsert |
DELETE |
|
CREATE SCHEMA |
Only allowed, if schema emulation is enabled |
DROP SCHEMA |
Only allowed, if schema emulation is enabled |
CREATE TABLE |
See Create Table |
CREATE TABLE ... AS |
|
DROP TABLE |
|
ALTER TABLE ... RENAME TO ... |
|
ALTER TABLE ... RENAME COLUMN ... |
Only allowed, if not part of primary key |
ALTER TABLE ... ADD COLUMN ... |
See Add Column |
ALTER TABLE ... DROP COLUMN ... |
Only allowed, if not part of primary key |
SHOW SCHEMAS |
|
SHOW TABLES |
|
SHOW CREATE TABLE |
|
SHOW COLUMNS FROM |
|
DESCRIBE |
Same as SHOW COLUMNS FROM |
CALL kudu.system.add_range_partition |
Adds range partition to a table. See Managing range partitions |
CALL kudu.system.drop_range_partition |
Drops a range partition from a table. See Managing range partitions |
ALTER SCHEMA ... RENAME TO ...
is not supported.
Create Table
On creating a Kudu Table you need to provide the columns and their types, of course, but Kudu needs information about partitioning and optionally for column encoding and compression.
Simple Example:
CREATE TABLE user_events ( user_id int WITH (primary_key = true), event_name varchar WITH (primary_key = true), message varchar, details varchar WITH (nullable = true, encoding = 'plain') ) WITH ( partition_by_hash_columns = ARRAY['user_id'], partition_by_hash_buckets = 5, number_of_replicas = 3 );
The primary key consists of user_id
and event_name
, the table is partitioned into
five partitions by hash values of the column user_id
, and the number_of_replicas
is
explicitly set to 3.
The primary key columns must always be the first columns of the column list. All columns used in partitions must be part of the primary key.
The table property number_of_replicas
is optional. It defines the
number of tablet replicas and must be an odd number. If it is not specified,
the default replication factor from the Kudu master configuration is used.
Kudu supports two different kinds of partitioning: hash and range partitioning. Hash partitioning distributes rows by hash value into one of many buckets. Range partitions distributes rows using a totally-ordered range partition key. The concrete range partitions must be created explicitly. Kudu also supports multi-level partitioning. A table must have at least one partitioning (either hash or range). It can have at most one range partitioning, but multiple hash partitioning ‘levels’.
For more details see Partitioning Design.
Column Properties
Besides column name and type, you can specify some more properties of a column.
| Column property name | Type | Description |
|---|---|---|
primary_key |
BOOLEAN |
If true , the column belongs to primary key columns.
The Kudu primary key enforces a uniqueness constraint.
Inserting a second row with the same primary key
results in updating the existing row (‘UPSERT’).
See also Primary Key Design in the Kudu
documentation. |
nullable |
BOOLEAN |
If true , the value can be null. Primary key
columns must not be nullable. |
encoding |
VARCHAR |
The column encoding can help to save storage space and
to improve query performance. Kudu uses an auto
encoding depending on the column type if not specified.
Valid values are:
'auto' , 'plain' , 'bitshuffle' ,
'runlength' , 'prefix' , 'dictionary' ,
'group_varint' .
See also Column encoding in the Kudu documentation. |
compression |
VARCHAR |
The encoded column values can be compressed. Kudu uses
a default compression if not specified.
Valid values are:
'default' , 'no' , 'lz4' , 'snappy' ,
'zlib' .
See also Column compression in the Kudu
documentation. |
Example
CREATE TABLE mytable ( name varchar WITH (primary_key = true, encoding = 'dictionary', compression = 'snappy'), index bigint WITH (nullable = true, encoding = 'runlength', compression = 'lz4'), comment varchar WITH (nullable = true, encoding = 'plain', compression = 'default'), ... ) WITH (...);
Partitioning Design
A table must have at least one partitioning (either hash or range). It can have at most one range partitioning, but multiple hash partitioning ‘levels’. For more details see Apache Kudu documentation: Partitioning
If you create a Kudu table in Presto, the partitioning design is given by several table properties.
Hash partitioning
You can provide the first hash partition group with two table properties:
The partition_by_hash_columns
defines the column(s) belonging to the
partition group and partition_by_hash_buckets
the number of partitions to
split the hash values range into. All partition columns must be part of the
primary key.
Example:
CREATE TABLE mytable ( col1 varchar WITH (primary_key=true), col2 varchar WITH (primary_key=true), ... ) WITH ( partition_by_hash_columns = ARRAY['col1', 'col2'], partition_by_hash_buckets = 4 )
This defines a hash partitioning with the columns col1
and col2
distributed over 4 partitions.
To define two separate hash partition groups use also the second pair
of table properties named partition_by_second_hash_columns
and
partition_by_second_hash_buckets
.
Example:
CREATE TABLE mytable ( col1 varchar WITH (primary_key=true), col2 varchar WITH (primary_key=true), ... ) WITH ( partition_by_hash_columns = ARRAY['col1'], partition_by_hash_buckets = 2, partition_by_second_hash_columns = ARRAY['col2'], partition_by_second_hash_buckets = 3 )
This defines a two-level hash partitioning with the first hash partition group
over the column col1
distributed over 2 buckets and the second
hash partition group over the column col2
distributed over 3 buckets.
As a result you have table with 2 x 3 = 6 partitions.
Range partitioning
You can provide at most one range partitioning in Apache Kudu. The columns
are defined with the table property partition_by_range_columns
.
The ranges themselves are given either in the
table property range_partitions
on creating the table.
Or alternatively, the procedures kudu.system.add_range_partition
and
kudu.system.drop_range_partition
can be used to manage range
partitions for existing tables. For both ways see below for more
details.
Example:
CREATE TABLE events ( rack varchar WITH (primary_key=true), machine varchar WITH (primary_key=true), event_time timestamp WITH (primary_key=true), ... ) WITH ( partition_by_hash_columns = ARRAY['rack'], partition_by_hash_buckets = 2, partition_by_second_hash_columns = ARRAY['machine'], partition_by_second_hash_buckets = 3, partition_by_range_columns = ARRAY['event_time'], range_partitions = '[{"lower": null, "upper": "2018-01-01T00:00:00"}, {"lower": "2018-01-01T00:00:00", "upper": null}]' )
This defines a tree-level partitioning with two hash partition groups and
one range partitioning on the event_time
column.
Two range partitions are created with a split at “2018-01-01T00:00:00”.
Table property range_partitions
With the range_partitions
table property you specify the concrete
range partitions to be created. The range partition definition itself
must be given in the table property partition_design
separately.
Example:
CREATE TABLE events ( serialno varchar WITH (primary_key = true), event_time timestamp WITH (primary_key = true), message varchar ) WITH ( partition_by_hash_columns = ARRAY['serialno'], partition_by_hash_buckets = 4, partition_by_range_columns = ARRAY['event_time'], range_partitions = '[{"lower": null, "upper": "2017-01-01T00:00:00"}, {"lower": "2017-01-01T00:00:00", "upper": "2017-07-01T00:00:00"}, {"lower": "2017-07-01T00:00:00", "upper": "2018-01-01T00:00:00"}]' );
This creates a table with a hash partition on column serialno
with 4
buckets and range partitioning on column event_time
. Additionally
three range partitions are created:
- for all event_times before the year 2017 (lower bound =
null
means it is unbound)- for the first half of the year 2017
- for the second half the year 2017
This means any try to add rows with event_time
of year 2018 or greater will fail, as no partition is defined.
The next section shows how to define a new range partition for an existing table.
Managing range partitions
For existing tables, there are procedures to add and drop a range partition.
adding a range partition
CALL kudu.system.add_range_partition(<schema>, <table>, <range_partition_as_json_string>),
dropping a range partition
CALL kudu.system.drop_range_partition(<schema>, <table>, <range_partition_as_json_string>)
<schema>
: schema of the table<table>
: table names<range_partition_as_json_string>
: lower and upper bound of the range partition as json string in the form'{"lower": <value>, "upper": <value>}'
, or if the range partition has multiple columns:'{"lower": [<value_col1>,...], "upper": [<value_col1>,...]}'
. The concrete literal for lower and upper bound values are depending on the column types.Examples:
Presto Data Type JSON string example BIGINT
‘{“lower”: 0, “upper”: 1000000}’
SMALLINT
‘{“lower”: 10, “upper”: null}’
VARCHAR
‘{“lower”: “A”, “upper”: “M”}’
TIMESTAMP
‘{“lower”: “2018-02-01T00:00:00.000”, “upper”: “2018-02-01T12:00:00.000”}’
BOOLEAN
‘{“lower”: false, “upper”: true}’
VARBINARY
values encoded as base64 strings To specified an unbounded bound, use the value
null
.
Example:
CALL kudu.system.add_range_partition('myschema', 'events', '{"lower": "2018-01-01", "upper": "2018-06-01"}')
This would add a range partition for a table events
in the schema
myschema
with the lower bound 2018-01-01
(more exactly
2018-01-01T00:00:00.000
) and the upper bound 2018-07-01
.
Use the sql statement SHOW CREATE TABLE
to query the existing
range partitions (they are shown in the table property
range_partitions
).
Add Column
Adding a column to an existing table uses the SQL statement ALTER TABLE ... ADD COLUMN ...
.
You can specify the same column properties as on creating a table.
Example:
ALTER TABLE mytable ADD COLUMN extraInfo varchar WITH (nullable = true, encoding = 'plain')
See also Column Properties.
Known limitations
- Only lower case table and column names in Kudu are supported
- Using a secured Kudu cluster has not been tested.


...
We engage customers in the most cost-effective manner to get creative, interactive and eye-appealing web and mobile applications for your business. We ensure your brand is well defined, as below:
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With a strong team of high-caliber and talented applications developers, we can confidently expand your business into new and higher horizons.


Sex sounds great, but don't forget that the best way to stay sexually healthy is to remain abstinent.
What is abstinence?
Abstinence is not having sex.
Why should I be abstinent?
If two people don't have sex, then there is no chance of someone getting pregnant or getting an STI (Sexually Transmitted Infection), including HIV.
Does it work?
Abstinence works 100% of the time in preventing pregnancy and STI's, including HIV. Although other forms of birth control work very well, none of them work as well as abstinence does!


// lets try to figure out if its a csv
try:
data.seek(0)
full = len(data.read())
data.seek(0)
bytes_to_read = int(full*0.3)
dialect = csv.Sniffer().sniff(data.read(bytes_to_read))
// lets try to figure out if its a csv
try:
data.seek(0)
first_few_lines = []
i = 0
for line in data:
i += 1
first_few_lines.append(line)


Hello World!
The above animation was my first attempt at stop animation. It kinda looks like a Robot Chicken style scene only the camera seems to bounce with each move of the character. Since this footage took a lot of time to create, I was not about to leave it on the proverbial cutting room floor. Luckily iMovie comes with a pre-packaged News Update, which this footage works nicely with as a faded background.


I had this very special plant-A Neem sapling i planted in 4th Grade. When i was in the school, I used to water it almost everyday before going to school. There was a connection. But as life caught up, I forgot watering it and it was at the mercy of the rains and occasional watering events. But it survived.
 Obviously, we can make the cliched ‘Automatic System’, but its the bond that matters. Watering plants makes you feel good. Automatic system is like a plant with nobody to care. It belongs to the jungle and not my balcony.
Hence,PlantPal .
The idea was to have an independent-self-sustained-system to work with the plant and tell we using beep patterns and frequencies the moisture level of the plant and keep sounding these beeps until i water the plant. The ‘Chinese’ made 1 Dollar solar garden light that I picked up at Coles,Darwin,Australia while in the country racing an Indian made Solar car for World Solar Challenge,2011, seemed to be a good host;This is maximum globalization i can comfortably fit in a sentence. :D
The garden light had a joule thief IC inside it. So, there were essentially 6 components:
The Solar panel if you are guessing is amorphous one. But manages to keep the whole thing powered up. The joule thief this connected to the battery to power the LED. The panel is directly connected to the battery and there seems to be an enable pin to joule thief IC. So, when it gets dark the panel voltage drops and the LED Turns ON. Probably a PNP Switch.
So, I had to power my MSP430 based circuit with the 1.2V battery. The tinyBoost PCBs i got fabbed from SeedStudio seemed a good option. If anyone needs them be sure to email me. I have a few remaining. Will be more than happy to send them across. They are built around the TPS Series boost ICs from TI. Works pretty great! All you need is an inductor and a few caps. The output current is about 300mA and works till 0.8V.
So, the power issue was sorted. For the sensor, i used the usual two-wires-in-gypsum sensor, it works as a variable resistor and with little adjustments, I was able to get repetitive linear readings. So, the Soil Humidity was proportional to the Resistance. The other ingredients were a Green LED and a tiny piezo speaker to annoy me if I forget to water it. With all the usable pins on my MSP430G2230 used up. It was time to work on the code.
With great power, comes greater responsibility. On the contrary , in Electronics, With little power in hand comes even more responsibility to conserve it.
Thanks to the Low Power Modes of MSP430 it turned out to be a great boon. The code was designed in the following way:
If the humidity level is high the MSP430 will read the sensor less often like once in 20-30 minutes; precisely because humidity is a slow changing quantity and it is almost impossible to dry up a muddy-wet patch of soil to rock hard one in less than 30 minutes. Then as the humidity decreases the controller increases the sensing cycle and starts sounding the beeps at different frequencies to tell me what is the current state until i water it. The heart beat green LED’s blinking rate also acts like an indicator of sorts.
Problems and solutions
The main problem was too little power. Other auxiliary problems were:
The sensor was taking up lot of power when sensing. This is a peculiar problem with resistive sensors. The solution is to use capacitive sensing like this. Its far too expensive after i heard about the 5$ Pi. It took around 100mA and considering that it was powered by a boost far greater amount of current was drawn from those tiny batteries. Will certainly build a capacitive one soon.
The solar power was just not enough to run the setup on sustainable basis. If the days are Sunny, its great, after a sunny day the setup runs for about 18-20hours and the moment you have cloudy days it dies after that and needs a physical charge. Probably using capacitive sensor would work.
Piezo sometimes draws power beyond what the battery can supply. So, i added more resistance that reduced the volume. The possible solution is to use a high capacity battery. Like the 2100mAh Ni-Mh in the video.
Even lower power, using the MSP430’s clock module i can certainly go below 1MHz until it affects other peripherals.
Check out the video of it in action:
Please do comment if you have any queries :D
Cheers !!
Rohit


Man dead after shooting in Toronto's east end, police say
Toronto police are investigating after a man was shot and killed in the city's east end on Saturday afternoon. Police say officers were called to the scene for reports of a shooting and found the man badly injured.
by Canadian PressToronto police are investigating after a man was shot and killed in the city's east end on Saturday afternoon.
Police say officers were called to the scene for reports of a shooting and found the man badly injured.
They say the officers performed CPR until paramedics got there.
Paramedics also tried to save the man's life, but he died at the scene.
Police haven't released details about possible suspects.
They say the homicide unit has taken over the investigation.
This report by The Canadian Press was first published Nov. 23, 2019.
The Canadian Press


Hollistic cost/benenfit analysis of testing approaches
Below is summary of common test approaches:
Manual unit testing
Difficult to consistently obtain high test coverage
Difficult to obtain consistent test results among testers
High business cost to maintain test process & increase test scope.
Despite the downsides, sometimes regulatory bodies require manual testing (e.g.: medical devices), so software companies in this position dont have much choice if they want to pass audits.
Automated unit testing
Easy to implement.
Easy to integrate into bamboo.
Low business cost to maintain unit tests & add new ones.
Automated integration testing
Moderate to implement (its basically unit testing w/ extra scope).
Easy to integrate into bamboo.
Moderate business cost to maintain integration tests & add new ones.
Automated end-to-end integration testing
Difficult to implement (very steep learning curve, slow start, extremely large scope).
Difficlt to integrate into bamboo.
High business cost to maintain, moderate cost to add new tests.
Whats the point of automated end-to-end integration testing then?
The facts above mostly relate to cost.
Something i’ve left out is the benefit.
In the software world, the point of testing (manual and/or automated) is to prevent bugs hitting customers.
Specifically, detection before public release, & quick fix after detection.
Detection
Although automated end-to-end testing is expensive to build & maintain, it has significant coverage.
This means better detection (compared to ad-hoc manual testing).
Quick fix after detection
After the bug is detected, it needs to be fixed quickly.
Again, auto E2E is taken for a quick spin on the fix.
Compared to ad-hoc manual testing, the delivery time to customer is significantly shorter.
And shorter delivery times means a better edge for a competitive business.
Bottom-up vs top-to-bottom
If you dont have automated E2E testing framework integrated into your CI/CD, you’ll wanna start bottom-up.
This means starting at the “cheap” manual ad-hoc testing, & moving “up” to the more “expensive” testing techniques WHEN IT IS PREFERRED.
“When preferred” means to only advance forward if (1) time allows, or your lead has prioritised it above critical bugs/features (2) your business encounters one of the following issues that can be solved by auto E2E:
- The business needs a faster delivery time (e.g.: hotfixes, releasing new features to react to competition)
- Bugs are hitting customers, which has slithered under-the-radar of your current testing approaches
- Your business software scope is so large that writing non-E2E tests becomes too expensive & difficult to achieve high test coverage


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No. of public Repos: {{userProfile.public_repos}}


{# ikhaya/suggest_delete.html ~~~~~~~~~~~~~~~~~~~~~~~~~~ This template is flashed to ask the user if he really wants to delete a suggestion. Keep it small since it's saved inside a cookie when flashing. :copyright: (c) 2013-2019 by the Inyoka Team, see AUTHORS for more details. :license: BSD, see LICENSE for more details. #} {% import 'macros.html' as macros %} {% call macros.outer_form(csrf_token(), action=href('ikhaya', 'suggest', s.id, 'delete'), submit_label=_('Delete')) %}
{% trans %}Explanation for the author of the suggestion:{% endtrans %}
{% trans %} Leave this field empty if the suggestion should be deleted without an explanation. {% endtrans %}
{% endcall %}


Security Consult, Inc. is a Charlotte, North Carolina based security consulting and private investigative services company with “the insider’s” edge that provides expert, one-on-one, custom solutions for your personal and business needs.
Intrusion alarm systems, design, monitoring and service


SEA Games 2019: Singapore swimmer Amanda Lim sets meet record, qualifies for Tokyo Olympics
by HarigovindOn Sunday, Singapore swimmer Amanda Lim won the 50m freestyle at the SEA Games 2019 – and in the process, broke the meet record and also qualified for the Tokyo Olympics in 2020.
Amanda Lim set a new personal best for the first time in around ten years, finishing the race in 25.06 seconds, ahead of Thailand’s Jenjira Srisa-Ard (25.32 seconds) and Jasmine Alkhaldi (25.48 seconds) of the Philippines. The time set by Lim has also been declared as a SEA Games record.
After winning the gold medal, Lim said: “My previous best was 25.3 and I haven’t done a PB in like 10 years.”
“I’m really happy with 25.06. To do it again, to bring it back to Singapore for the sixth consecutive time, I’m speechless.”
“The SEA Games is always something pretty special to me. Made my first team when I was 14 years old, and here I am standing at 26 and still going for it.”
“I guess it’s just a passion for racing. My family’s in the stands, coming all the way from Singapore and I have family and relatives from back home watching on TV,” she concluded.
Earlier, during the heats itself, Amanda Lim had matched the Olympic B-Cut time of 25.51 seconds, to qualify for the Tokyo Olympics.
Singapore’s swimmers won three other golds in the SEA Games 2019 on Sunday – Lionel Khoo in the 50m breaststroke, Darren Chua in the 100m freestyle and the 4x100m relay team of Quah, her sister Jing Wen, Christie Chue and Elena Pedersen.
Quotes via TNP.sg.


SubscriptionPlan
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public let name: String
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public let amount: String
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public let description: String
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public let reference: String
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public let registrations: String
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public let documents: String
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public let sessions: String
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public let interval: String
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public let createdAt: String
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public let updatedAt: String
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public let active: String


Relative positioning allows for the designer to shift an element from its original position in the code. One word comes after the next, then comes the next paragraph, or link, or picture, etc...
Elements can be shifted left, right, up, down and even overlap other elements, but they will always retain their original position as it relates to the flow. No matter where you shift it, the next element will begin where that last element should have ended.
I've been moved to the left!
I've been moved to the right!
I've been moved
up!
and I've been moved
down...
looks like to be overlapped!
Absolute positioning places an element in relation to the first parent of that element that is in a static position. "Wunderbar!" you exclaim, but what the heck does that mean? It means that it uses the last element in the flow that didn't move, and moves the absolute element in relation to it. That didn't help did it? Well.. that's all I got beyond examples! Look to the left and you will see a picture floated in the page. On top of that image is a caption that has been placed there with a position of absolute. No matter what else is written in the page's code, that "Sir! I have a plan!" is going to be ignored and will stay put in the bottom left corner of that picture. This also remains true if you move the picture to some other place on the page, that caption is not moving.
If no static element exists, it will default to the html tag at the beginning of the page. In addition, as noted earlier, absolute positioning takes the element straight out of the flow! The other elements will ignore where the absolute element is, allowing for captioning, as already seen, and for the customization of other elements without having to worry about them being affected by your absolute element.
Fixed positioning keeps the element on screen at all time, a great example of this is the use of navigation bars that stay put no matter how much you scroll. Just like the one over to the right! Like absolute positioning, the fixed posistion is also out of the flow of the page and will be ignored by the other elements.
This is what happens with absolute positioning... whoops...