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Why is the use of alloca() not considered good practice?

alloca() allocates memory on the stack rather than on the heap, as in the case of malloc() . So, when I return from the routine the memory is freed. So, actually this solves my problem of freeing up dynamically allocated memory. Freeing of memory allocated through malloc() is a major headache an...
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Modify SVG fill color when being served as Background-Image

... & height of a page and then use z-index css property to put it behind all the other DOM elements on a page. share | improve this answer | follow | ...
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How to remove close button on the jQuery UI dialog?

...r-close", ui.dialog || ui).hide(); } }); To hide the close button on all dialogs you can use the following CSS too: .ui-dialog-titlebar-close { visibility: hidden; } share | improve this...
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Redirect non-www to www in .htaccess

...answered Aug 21 '12 at 8:09 Randall HuntRandall Hunt 9,88155 gold badges2828 silver badges3939 bronze badges ...
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What's the difference between deque and list STL containers?

What is the difference between the two? I mean the methods are all the same. So, for a user, they work identically. 8 Answ...
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NUnit isn't running Visual Studio 2010 code

... VS2008 solution in the VS2010 beta. Once the conversion finished I opened all the projects and changed the target framework setting for all the projects to ".NET Framework 4.0". I then built the solution without any errors. I can now use the NUnit GUI app to run tests built for .NET 4.0. I've not d...
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What is the difference between exit() and abort()?

... abort() exits your program without calling functions registered using atexit() first, and without calling objects' destructors first. exit() does both before exiting your program. It does not call destructors for automatic objects though. So A a; void test() ...
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What is the difference between ${var}, “$var”, and “${var}” in the Bash shell?

...bar', so loop runs once and done # prints nothing (actually "") var="foo bar" for i in "${var}bar"; do # Expands to 'for i in "foo barbar"; do...' echo $i # so runs the loop once done # foo barbar Note that "${var}bar" in the second example above could also ...
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SQL: IF clause within WHERE clause

...n a WHERE clause. If you want to apply some "IF" logic in the WHERE clause all you need to do is add the extra condition with an boolean AND to the section where it needs to be applied. share | impr...
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Change Volley timeout duration

...requests. Volley sets default Socket & ConnectionTImeout to 5 secs for all requests. RetryPolicy is an interface where you need to implement your logic of how you want to retry a particular request when a timeout happens. It deals with these three parameters Timeout - Specifies Socket Timeo...