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Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
I want to capture the Ctrl+C ( SIGINT ) signal sent from the console and print out some partial run totals.
10 Answers
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Codeigniter - no input file specified
I am a beginner in Codeigniter and I saw a CI tutorial and was just trying to do a simple thing. I downloaded the CI and added this file to controller directory, but it won't work.
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Multi-line strings in PHP
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PHP has Heredoc and Nowdoc strings, which are the best way to handle multiline strings in PHP.
http://php.net/manual/en/language.types.string.php#language.types.string.syntax.heredoc
$str = <<<EOD
Example of string
spanning multip...
Is there a bash command which counts files?
Is there a bash command which counts the number of files that match a pattern?
14 Answers
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How do I change the formatting of numbers on an axis with ggplot?
I'm using R and ggplot to draw a scatterplot of some data, all is fine except that the numbers on the y-axis are coming out with computer style exponent formatting, i.e. 4e+05, 5e+05, etc. This is obviously unacceptable, so I want to get it to display them as 500,000, 400,000, and so on. Getting a p...
How to find if directory exists in Python
...en classes are callable. Also, functions are first-class values in Python, and you can use them without the parentheses notation, like in existing = filter(os.path.isdir(['/lib', '/usr/lib', '/usr/local/lib'])
– phihag
Mar 30 '13 at 7:38
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Python: Get relative path from comparing two absolute paths
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os.path.commonprefix() and os.path.relpath() are your friends:
>>> print os.path.commonprefix(['/usr/var/log', '/usr/var/security'])
'/usr/var'
>>> print os.path.commonprefix(['/tmp', '/usr/var']) # No common prefix: the root is...
Redirect stdout to a file in Python?
... common method is to use shell redirection when executing (same on Windows and Linux):
$ python foo.py > file
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Python: What OS am I running on?
...wered Aug 5 '08 at 3:27
Louis BrandyLouis Brandy
15.1k33 gold badges3333 silver badges2929 bronze badges
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Safely casting long to int in Java
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We also have addExact and multiplyExact. Of note is that division (MIN_VALUE/-1) and absolute value (abs(MIN_VALUE)) do not have safe convenience methods.
– Aleksandr Dubinsky
Oct 27 '17 at 9:43
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