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What's better at freeing memory with PHP: unset() or $var = null

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What is the difference between memoization and dynamic programming?

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Impossible to make a cached thread pool with a size limit?

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How do I control how Emacs makes backup files?

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Running Internet Explorer 6, Internet Explorer 7, and Internet Explorer 8 on the same machine

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How to complete a git clone for a big project on an unstable connection?

...eOffice codebase, but at the moment I have an internet connection of about 300kbps and it's just anything but stable. I can get the connection back any moment, but then the git clone process already stopped working, and no way to get it running again. Is there some way to have a more failure-resista...
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Could not reliably determine the server's fully qualified domain name

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bootstrap button shows blue outline when clicked

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How do I check if a number is positive or negative in C#?

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How are zlib, gzip and zip related? What do they have in common and how are they different?

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