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What is the purpose of wrapping whole Javascript files in anonymous functions like “(function(){ … }

...on() from anywhere, but you cannot call localFunction1 or localFunction2. What you're doing when you write (function() { ... })(), is you're making the code inside the first set of parentheses a function literal (meaning the whole "object" is actually a function). After that, you're self-invoking t...
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What does the @ symbol before a variable name mean in C#? [duplicate]

...before a string literal to change how the compiler parses the string. But what does it mean when a variable name is prefixed with the @ symbol? ...
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What's the difference between subprocess Popen and call (how can I use them)?

... What's the advantage of using popen? Wouldn't it be safe to wait till the called program finishes first? – Tom Jun 29 '16 at 0:07 ...
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What is difference between MVC, MVP & MVVM design pattern in terms of coding c#

If we search Google using the phrase "What is difference between MVC, MVP & MVVM design pattern" then we may get few URL's which discuss the difference between MVC MVP & MVVM design pattern theoretically like : ...
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What is the dependency inversion principle and why is it important?

What is the dependency inversion principle and why is it important? 16 Answers 16 ...
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What is the meaning of “POSIX”?

What is POSIX? I have read the Wikipedia article and I read it every time I encounter the term. The fact is that I never really understood what it is. ...
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What is Express.js?

... This is over simplifying it, but Express.js is to Node.js what Ruby on Rails or Sinatra is to Ruby. Express 3.x is a light-weight web application framework to help organize your web application into an MVC architecture on the server side. You can use a variety of choices for your t...
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What's the difference between IComparable & IEquatable interfaces?

both the interfaces seem to compare objects for equality, so what's the major differences between them? 5 Answers ...
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What is a NullPointerException, and how do I fix it?

What are Null Pointer Exceptions ( java.lang.NullPointerException ) and what causes them? 12 Answers ...
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What's the difference between ASCII and Unicode?

What's the exact difference between Unicode and ASCII? 9 Answers 9 ...