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Variable declaration placement in C

I long thought that in C, all variables had to be declared at the beginning of the function. I know that in C99, the rules are the same as in C++, but what are the variable declaration placement rules for C89/ANSI C? ...
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Why must we define both == and != in C#?

...tors is present, it will use the default reference equality operator, that all objects have, there is not an overload for it.1 Knowing that this is the case, the real question is: Why was this designed in this way and why doesn't the compiler figure it out on its own? A lot people are saying this ...
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How to loop through all enum values in C#? [duplicate]

...rough an extra iterator (.Cast<Foos>), and (2) you don't need to box all the values and unbox them again. Şafak's cast will remain valid as long as they don't change the array type returned to some other type (like object[]). But we can be completely sure they won't because (a) it would lose ...
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How to remove all the null elements inside a generic list in one go?

Is there a default method defined in .Net for C# to remove all the elements within a list which are null ? 7 Answers ...
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“Treat all warnings as errors except…” in Visual Studio

...rs" exists. It should be available in project settings without to edit manually the file. Thanks. – AFract Oct 23 '18 at 9:03 1 ...
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.NET - Dictionary locking vs. ConcurrentDictionary

... a can from a pyramid-can while a clerk is currently building the pyramid, all hell would break loose. Or, what if two customers reaches for the same item at the same time, who wins? Will there be a fight? This is a non-threadsafe-collection. There's plenty of ways to avoid problems, but they all re...
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View all TODO items in Visual Studio using GhostDoc

I'm also using GhostDoc in Visual Studio 2008. How do I view all to-do items and if that's a function already in Visual Studio or in GhostDoc (the documentation tool that I use)? ...
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Node.js Web Application examples/tutorials [closed]

...ilyJS has a good tutorial (long series of 24 posts) that walks you through all the aspects of building a notepad app (including all the possible extras). Heres an overview of the tutorial: http://dailyjs.com/2010/11/01/node-tutorial/ And heres a link to all the posts: http://dailyjs.com/tags.html#...
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Codesign error: Provisioning profile cannot be found after deleting expired profile

... Sometimes your xcode project file gets messed up, especially if you have an old project and first created it with an older version of xcode/iphone sdk. What you need to do is open up the project file in a text editor, search for the 'long string' from your error and manually eras...
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What algorithm can be used for packing rectangles of different sizes into the smallest rectangle pos

Ive got a bunch of rectangular objects which I need to pack into the smallest space possible (the dimensions of this space should be powers of two). ...