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Code Golf: Collatz Conjecture
Inspired by http://xkcd.com/710/ here is a code golf for it.
70 Answers
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stdlib and colored output in C
I am making a simple application which requires colored output. How can I make my output colored like emacs and bash do?
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count the frequency that a value occurs in a dataframe column
I have a dataset
13 Answers
13
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What is the opposite of :hover (on mouse leave)?
Is there any way to do the opposite of :hover using only CSS? As in: if :hover is on Mouse Enter , is there a CSS equivalent to on Mouse Leave ?
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How should I use git diff for long lines?
I'm running git-diff on a file, but the change is at the end of a long line.
15 Answers
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querySelector search immediate children
I have some jquery-like function:
10 Answers
10
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How do you access the matched groups in a JavaScript regular expression?
I want to match a portion of a string using a regular expression and then access that parenthesized substring:
22 Answers...
Check free disk space for current partition in bash
I am writing an installer in bash. The user will go to the target directory and runs the install script, so the first action should be to check that there is enough space. I know that df will report all file systems, but I was wondering if there was a way to get the free space just for the partition...
AttributeError: 'module' object has no attribute 'urlopen'
I'm trying to use Python to download the HTML source code of a website but I'm receiving this error.
12 Answers
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----
Recently I am using Python module os, when I tried to change the permission of a file, I did not get the expected result. For example, I intended to change the permission to rw-rw-r--,
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