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How to efficiently compare two unordered lists (not sets) in Python?
...rom collections import Counter' -s 'from random import shuffle' -s 't=list(range(100)) * 5' -s 'shuffle(t)' -s 'u=t[:]' -s 'shuffle(u)' 'Counter(t)==Counter(u)'
– Raymond Hettinger
Oct 20 '16 at 15:54
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Remove rows with all or some NAs (missing values) in data.frame
... if you want to check many columns, without typing each one, can you use a range final[,4:100]?
– Herman Toothrot
Oct 20 '16 at 10:56
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Will using 'var' affect performance?
...e, if you have this method:
IList<int> Foo()
{
return Enumerable.Range(0,10).ToList();
}
Consider these three lines of code to call the method:
List<int> bar1 = Foo();
IList<int> bar = Foo();
var bar3 = Foo();
All three compile and execute as expected. However, the first two ...
Changing default encoding of Python?
...ror: 'ascii' codec can't encode characters in position 0-5: ordinal not in range(128)
Just export PYTHONIOENCODING in console and then run your code.
export PYTHONIOENCODING=utf8
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A good example for boost::algorithm::join
...sage examples and I didn't want to invest a lot of time learning the Boost Range library just to use this one function.
2...
How to fix: android.app.RemoteServiceException: Bad notification posted from package *: Couldn't cre
...y screens. This ensures that your icons will display
properly across the range of devices on which your application can be
installed.
So the best way to fullfill the above, I used Notification Generator provided by Roman Nurik on https://romannurik.github.io/AndroidAssetStudio/index.html
In t...
How to undo “git commit --amend” done instead of “git commit”
...commit^, where commit is the commit you want to split. In fact, any commit range will do, as long as it contains that commit.
Mark the commit you want to split with the action "edit".
When it comes to editing that commit, execute git reset HEAD^. The effect is that the HEAD is rewound by one, and th...
Unicode character as bullet for list-item in CSS
... character is more versatile :P I think backword-compatible or with widest range of browser support would be the word...
– JustGoscha
Aug 4 '14 at 12:03
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How to run a shell script on a Unix console or Mac terminal?
...ays available in /bin. While on Linux machines it usually is, there are a range of other POSIX machines where bash ships in various locations, such as /usr/xpg/bin/bash or /usr/local/bin/bash.
To write a portable bash script, we can therefore not rely on hard-coding the location of the bash progra...
Reading a huge .csv file
....csv files in Python 2.7 with up to 1 million rows, and 200 columns (files range from 100mb to 1.6gb). I can do this (very slowly) for the files with under 300,000 rows, but once I go above that I get memory errors. My code looks like this:
...