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What are the use cases for selecting CHAR over VARCHAR in SQL?

...realize that CHAR is recommended if all my values are fixed-width. But, so what? Why not just pick VARCHAR for all text fields just to be safe. ...
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What is the Haskell response to Node.js?

... cooperative multitasking, as opposed to preemptive multitasking, which is what you get with threads. The main disadvantage with cooperative multitasking is that the programmer is responsible for making sure that there's no starvation. It loses modularity: make a mistake in one place, and it can s...
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JavaScript: How to pass object by value?

... Not really. Depending on what you actually need, one possibility may be to set o as the prototype of a new object. var o = {}; (function(x){ var obj = Object.create( x ); obj.foo = 'foo'; obj.bar = 'bar'; })(o); alert( o.foo ); // undef...
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Polymorphism in C++

...is code polymorphic?"), and/or clearly defining your terminology. Still, what's crucial to being a great C++ programmer is understanding what polymorphism's really doing for you...     letting you write "algorithmic" code once and then apply it to many types of data ...and then be very aware...
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Can you pass parameters to an AngularJS controller on creation?

...approach. If the framework authors don't want the framework to be used in what is to them a "wrong" way, then they should not make it possible to be used in that "wrong" way...and provide guidance as to the "right" way! – Shawn de Wet Sep 10 '14 at 6:04 ...
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How can I run a PHP script in the background after a form is submitted?

... What is that $post_id after the path of the php script? – Perocat Apr 27 '14 at 13:31 ...
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Combining two lists and removing duplicates, without removing duplicates in original list

...first list ignored. .. A bit hard to explain, so let me show an example of what the code looks like, and what i want as a result. ...
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Should a RESTful 'PUT' operation return something

I was wondering what people's opinions are of a RESTful PUT operation that returns nothing (null) in the response body. 1...
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JMS and AMQP - RabbitMQ

I am trying to understand what JMS and how it is connected to AMQP terminology. I know JMS is an API and AMQP is a protocol. ...
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Why em instead of px?

... There is no way to convert between ems and pixels, unless you know what the size of an 'em' is in pixels, in that context. That can depend on the inherited font size of that element, which can in turn depend on the font size of the document as a whole, which can depend on the font size sett...