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javascript function leading bang ! syntax

...That means declare anonymous function and execute it. But that will not work due to specifics of JS grammar. So shortest form of achieving this is to use some expression e.g. UnaryExpression (and so CallExpression): !function(){ // do stuff }(); Or for the fun: -function(){ // do stuff }(...
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Check if a value is in an array (C#)

How do I check if a value is in an array in C#? 10 Answers 10 ...
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Swift - which types to use? NSString or String

...ly interchangeable, i.e, you can pass String variables into methods that take NSString parameters and vice versa, some methods seem to not be automatically bridged as of this moment. See this answer for a discussion on how to get the a String's length and this answer for a discussion on using contai...
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Transferring ownership of an iPhone app on the app store

...an app which we're going to be submitting to the store pretty soon, but we know that we'll be selling the app to another company in the near future. Does anyone have any experience with moving an app's ownership to another account? ...
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What is the size of an enum in C?

...; but I thought I read somewhere that (at least in GCC) the compiler can make the enum any width they need to be to hold their values. So, is it possible to have an enum that is 64 bits wide? ...
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CSS Box Shadow - Top and Bottom Only [duplicate]

... As Kristian has pointed out, good control over z-values will often solve your problems. If that does not work you can take a look at CSS Box Shadow Bottom Only on using overflow hidden to hide excess shadow. I would also have in...
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creating a strikethrough text?

Can I create a strikethrough text in Android, I mean adding a special value in the TextView tag that can make this possible? ...
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General suggestions for debugging in R

...roduce it, you need to reduce it down to the source. Rather than a "trick", I would say that I have a favorite debugging routine: When an error occurs, the first thing that I usually do is look at the stack trace by calling traceback(): that shows you where the error occurred, which is especial...
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How do I remove packages installed with Python's easy_install?

Python's easy_install makes installing new packages extremely convenient. However, as far as I can tell, it doesn't implement the other common features of a dependency manager - listing and removing installed packages. ...
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Mercurial undo last commit

... One way would be hg rollback (deprecated as of Hg2.7, August 2013) Please use hg commit --amend instead of rollback to correct mistakes in the last commit. Roll back the last transaction in a repository. When committing or merging, Mercur...