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How to check size of a file using Bash?
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13 Answers
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“Notice: Undefined variable”, “Notice: Undefined index”, and “Notice: Undefined offset” using PHP
..., "", "0", null, false or [].
Example:
$o = [];
@$var = ["",0,null,1,2,3,$foo,$o['myIndex']];
array_walk($var, function($v) {
echo (!isset($v) || $v == false) ? 'true ' : 'false';
echo ' ' . (empty($v) ? 'true' : 'false');
echo "\n";
});
Test the above snippet in the 3v4l.org onlin...
Start a git commit message with a hashmark (#)
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243
This behaviour is part of git commit's default 'clean-up' behaviour. If you want to keep lines s...
What is the difference between save and insert in Mongo DB?
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answered Apr 25 '13 at 8:26
RahulRahul
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Cannot overwrite model once compiled Mongoose
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answered Sep 27 '13 at 13:24
thtsigmathtsigma
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See line breaks and carriage returns in editor
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138
:set list in Vim will show whitespace. End of lines show as '$' and carriage returns usually sh...
Django class-based view: How do I pass additional parameters to the as_view method?
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Daniel ErikssonDaniel Eriksson
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What characters are forbidden in Windows and Linux directory names?
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Legorooj
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answered Dec 29 '09 at 18:19
Dour High ArchDour Hi...
Difference between encoding and encryption
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3
Do you consider "document with public key for signature" as Encoding or Encryption ? :)
– Jarod42
Jul...
MemoryCache does not obey memory limits in configuration
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3
Wow. That's why I love SO. I ran into the exact same behavior, wrote a test app and managed to crash my PC many times even though polling ti...