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Empty set literal?
... for the empty set? Or for sets in general?
– Johan Råde
May 25 '11 at 20:23
15
There are set li...
Maven: Command to update repository after adding dependency to POM
...bless you this awesome simple answer.
– Salathiel Genèse
Feb 28 '19 at 20:51
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Tab key == 4 spaces and auto-indent after curly braces in Vim
... has been replaced by cindent which "Works more cleverly", although still mainly for languages with C-like syntax:
:help C-indenting
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How do I return to an older version of our code in Subversion?
...end up with a working copy looking like the old version) and then commit again. So for example to go from revision 150 (current) back to revision 140:
svn update
svn merge -r 150:140 .
svn commit -m "Rolled back to r140"
The Subversion Red Book has a good section about this.
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Using python map and other functional tools
... different functions, but to access it directly from maptest:
foos = [1.0,2.0,3.0,4.0,5.0]
bars = [1,2,3]
def maptest(foo):
print foo, bars
map(maptest, foos)
With your original maptest function you could also use a lambda function in map:
map((lambda foo: maptest(foo, bars)), foos)
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How to upgrade PowerShell version from 2.0 to 3.0
...m using is Windows 7, and the PowerShell version that is installed here is 2.0. Is it possible for me to upgrade it to version 3.0 or 4.0?
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Finding median of list in Python
...t):
n = len(lst)
s = sorted(lst)
return (sum(s[n//2-1:n//2+1])/2.0, s[n//2])[n % 2] if n else None
>>> median([-5, -5, -3, -4, 0, -1])
-3.5
numpy.median():
>>> from numpy import median
>>> median([1, -4, -1, -1, 1, -3])
-1.0
For python-3.x, use sta...
How to obtain Signing certificate fingerprint (SHA1) for OAuth 2.0 on Android?
I'm trying to register my android app following the steps in https://developers.google.com/console/help/#installed_applications which leads me to follow
http://developer.android.com/tools/publishing/app-signing.html .
...
Turning off auto indent when pasting text into vim
...off the paste-mode, so that auto-indenting when you type works correctly again.
:set nopaste
However, I always found that cumbersome. That's why I map <F3> such that it can switch between paste and nopaste modes while editing the text! I add this to .vimrc
set pastetoggle=<F3>
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nvm keeps “forgetting” node in new terminal session
...vm alias default stable
To list installed versions:
nvm list
As of v6.2.0, it will look something like:
$ nvm list
v4.4.2
-> v6.2.0
default -> stable (-> v6.2.0)
node -> stable (-> v6.2.0) (default)
stable -> 6.2 (-> v6.2.0) (default)
iojs -> N/A (default...