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Validating IPv4 addresses with regexp
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Is it possible to put CSS @media rules inline?
...like this, but if you're targeting a very specific element you will need a more specific selector:
span { background-image: url(particular_ad.png); }
@media (max-width: 300px) {
span { background-image: url(particular_ad_small.png); }
}
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Confused about stdin, stdout and stderr?
... purpose of the files from what you describe, I would like to move a level more. when I open these files in /dev folder, how come I never get to see the output of a process running. Say I execute top on the terminal, is it not supposed to output its results onto the stdout file periodically, hence w...
Search and replace a line in a file in Python
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277
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Is it possible to install iOS 6 SDK on Xcode 5?
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How to move the cursor word by word in the OS X Terminal
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startsWith() and endsWith() functions in PHP
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1035
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How to check for an undefined or null variable in JavaScript?
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434
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Google Authenticator implementation in Python
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6
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Is there a reason that Swift array assignment is inconsistent (neither a reference nor a deep copy)?
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