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Define global variable in a JavaScript function

Is it possible to define a global variable in a JavaScript function? 13 Answers 13 ...
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Codesign error: Certificate identity appearing twice

CodeSign error: Certificate identity 'iPhone Developer: XXXX (12345678)' appears more than once in the keychain. The codesign tool requires there only be one. ...
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In Python, when should I use a function instead of a method?

... is this - is the operation performed on the object or by the object? if it is done by the object, it should be a member operation. If it could apply to other things too, or is done by something else to the object then it should be a function (or perhaps a member of something else). When introduc...
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'AND' vs '&&' as operator

...bove has the value true. Why? = has a higher precedence than and. The addition of parentheses to show the implicit order makes this clearer: ($truthiness = $this_one) and $that If you used && instead of and in the first code example, it would work as expected and be false. As discussed...
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How to edit multi-gigabyte text files? Vim doesn't work =( [closed]

Are there any editors that can edit multi-gigabyte text files, perhaps by only loading small portions into memory at once? It doesn't seem like Vim can handle it =( ...
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Why is volatile not considered useful in multithreaded C or C++ programming?

...ed in this answer I recently posted, I seem to be confused about the utility (or lack thereof) of volatile in multi-threaded programming contexts. ...
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Should we @Override an interface's method implementation?

Should a method that implements an interface method be annotated with @Override ? 15 Answers ...
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What's the difference between identifying and non-identifying relationships?

...d table depends on a row in a parent table. This may be confusing because it's common practice these days to create a pseudokey for a child table, but not make the foreign key to the parent part of the child's primary key. Formally, the "right" way to do this is to make the foreign key part of the...
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Is it a good practice to place C++ definitions in header files?

My personal style with C++ has always to put class declarations in an include file, and definitions in a .cpp file, very much like stipulated in Loki's answer to C++ Header Files, Code Separation . Admittedly, part of the reason I like this style probably has to do with all the years I spent coding...
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How to force a Solution file (SLN) to be opened in Visual Studio 2013?

Trying to open a VS 2012 solution (SLN file) explicitly in VS 2013 succeeds. Simply double-clicking it in Windows Explorer still opens it in VS 2012 instead. ...