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What does the caret operator (^) in Python do?
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It's a bitwise XOR (exclusive OR).
It results to true if one (and only one) of the operands (...
How do I trim leading/trailing whitespace in a standard way?
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Bash, no-arguments warning, and case decisions
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if [[ $# -eq 0 ]] ; then
echo 'some message'
exit 0
fi
case "$1" in
1) echo 'you ...
How do I access the host machine from the guest machine? [closed]
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On the XP machine, find your IP address by going to the command prompt and typing ipconfig. Tr...
What is the explanation for these bizarre JavaScript behaviours mentioned in the 'Wat' talk for Code
The 'Wat' talk for CodeMash 2012 basically points out a few bizarre quirks with Ruby and JavaScript.
5 Answers
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What is the Python equivalent of static variables inside a function?
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A bit reversed, but this should work:
def foo():
foo.counter += 1
print "Counter is %d" % foo.counter
foo.counter = 0
If you want the counter initialization code at the top instead of the bottom, you can create a decorator:
def static_vars(**kwargs):
def decorate(func):
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How to manually expand a special variable (ex: ~ tilde) in bash
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Matplotlib tight_layout() doesn't take into account figure suptitle
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jQuery UI Tabs - How to Get Currently Selected Tab Index
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For JQuery UI versions before 1.9: ui.index from the event is what you want.
For JQuery UI 1.9 ...
Getting the caller function name inside another function in Python? [duplicate]
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You can use the inspect module to get the info you want. Its stack method returns a list of fr...