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What are the most-used vim commands/keypresses?
I'm a Ruby programming trying to switch from Textmate to MacVim, and I'm having trouble wading through the gargantuan lists of things you can do in VIM and all of the keypresses for them. I'm tired of hearing "You can use 'I' for inserting text, or 'a' for appending text after the character, or 'A' ...
Remove the last character in a string in T-SQL?
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Shiroy
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answered Aug 10 '09 at 20:02
AdaTheDevAdaTheDev
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How do I get extra data from intent on Android?
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edited Feb 2 '19 at 10:07
answered Nov 20 '10 at 17:04
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
...echoes a PID into it. This serves as a protection if the process is killed before removing the pidfile:
LOCKFILE=/tmp/lock.txt
if [ -e ${LOCKFILE} ] && kill -0 `cat ${LOCKFILE}`; then
echo "already running"
exit
fi
# make sure the lockfile is removed when we exit and then claim it
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How to convert an int array to String with toString method in Java [duplicate]
I am using trying to use the toString(int[]) method, but I think I am doing it wrong:
8 Answers
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Finding local maxima/minima with Numpy in a 1D numpy array
...n from numpy/scipy that can find local maxima/minima in a 1D numpy array? Obviously the simplest approach ever is to have a look at the nearest neighbours, but I would like to have an accepted solution that is part of the numpy distro.
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How to insert an item at the beginning of an array in PHP?
I know how to insert it to the end by:
9 Answers
9
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Substitute multiple whitespace with single whitespace in Python [duplicate]
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A simple possibility (if you'd rather avoid REs) is
' '.join(mystring.split())
The split and join perform the task you're explicitly asking about -- plus, they also do the extra one that you don't talk about but is seen in your example,...
Relative imports in Python 3
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unfortunately, this module needs to be inside the package, and it also
needs to be runnable as a script, sometimes. Any idea how I could
achieve that?
It's quite common to have a layout like this...
main.py
mypackage/
__init__.py
mymodule.py
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Linq: What is the difference between Select and Where
The Select and Where methods are available in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc.
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