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public static const in TypeScript

Is there such a thing as public static constants in TypeScript? I have a class that looks like: 8 Answers ...
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Is if(items != null) superfluous before foreach(T item in items)?

I often come across code like the following: 12 Answers 12 ...
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How do you find out the type of an object (in Swift)?

When trying to understand a program, or in some corner-cases, it's useful to be able to actually find out what type something is. I know the debugger can show you some type information, and you can usually rely on type inference to get away with not specifying the type in those situations, but still...
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Difference between ref and out parameters in .NET [duplicate]

What is the difference between ref and out parameters in .NET? What are the situations where one can be more useful than the other? What would be a code snippet where one can be used and another can't? ...
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How to achieve code folding effects in Emacs?

Whats the best way to achieve something like code folding, or the type of cycling that org-mode uses. What would be the best solution in elisp to create this type of behavior? ...
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Dynamically add script tag with src that may include document.write

I want to dynamically include a script tag in a webpage however I have no control of it's src so src="source.js" may look like this. ...
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Why would I make() or new()?

The introduction documents dedicate many paragraphs to explaining the difference between new() and make() , but in practice, you can create objects within local scope and return them. ...
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Create PostgreSQL ROLE (user) if it doesn't exist

How do I write an SQL script to create a ROLE in PostgreSQL 9.1, but without raising an error if it already exists? 10 Answ...
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How to fix the flickering in User controls

In my application i am constantly moving from one control to another. I have created no. of user controls, but during navigation my controls gets flicker. it takes 1 or 2 sec to update. I tried to set this ...
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Why is there a `null` value in JavaScript?

In JavaScript, there are two values which basically say 'I don't exist' - undefined and null . 12 Answers ...