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How can I find the number of arguments of a Python function?
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The previously accepted answer has been deprecated as of Python 3.0. Instead of using inspect.getargspec you should now opt for the Signature class which superseded it.
Creating a Signature for the function is easy via the signature function:
from inspect import signature
def someMeth...
Iterate over object keys in node.js
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edited Feb 17 '15 at 15:34
thepeer
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Android Closing Activity Programmatically
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Pascal MARTINPascal MARTIN
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Why specify @charset “UTF-8”; in your CSS file?
...g.
Read about the rules for character set resolution of CSS files at the w3c spec for CSS 2.
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android image button
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CaseyBCaseyB
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How to write string literals in python without having to escape them?
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answered Jan 16 '11 at 3:04
Greg HewgillGreg Hewgill
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How to get the home directory in Python?
...rom os.path import expanduser
home = expanduser("~")
If you're on Python 3.5+ you can use pathlib.Path.home():
from pathlib import Path
home = str(Path.home())
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Counting the number of elements with the values of x in a vector
...an just use table():
> a <- table(numbers)
> a
numbers
4 5 23 34 43 54 56 65 67 324 435 453 456 567 657
2 1 2 2 1 1 2 1 2 1 3 1 1 1 1
Then you can subset it:
> a[names(a)==435]
435
3
Or convert it into a data.frame if you're more comfor...
How can I change the color of my prompt in zsh (different from normal text)?
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Here's an example of how to set a red prompt:
PS1=$'\e[0;31m$ \e[0m'
The magic is the \e[0;31m (turn on red foreground) and \e[0m (turn off character attributes). These are called escape sequences. Different escape sequences give you different results, from absolute cursor positi...