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Find integer index of rows with NaN in pandas dataframe
...nonzero()[0]
In [9]: df
Out[9]:
0 1
0 0.450319 0.062595
1 -0.673058 0.156073
2 -0.871179 -0.118575
3 0.594188 NaN
4 -1.017903 -0.484744
5 0.860375 0.239265
6 -0.640070 NaN
7 -0.535802 1.632932
8 0.876523 -0.153634
9 -0.686914 0.131185
In [10]: pd.isnull(df)....
Why doesn't C++ have a garbage collector?
... community wiki
9 revs, 2 users 92%Brian R. Bondy
73
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Center a map in d3 given a geoJSON object
...ht the be the same problem as mentioned here stackoverflow.com/questions/23953366/… Try the solution mentioned there.
– Jan van der Laan
Feb 11 '15 at 8:29
...
Increase number of axis ticks
...) this seems to prevent my breaks appearing in scientific notation, hence 1e6 is changed to 1000000 ??
– smci
May 5 '14 at 4:25
...
Moving from CVS to Git: $Id$ equivalent?
...ll see the expansion, for example:
$ head foo.sh
#!/bin/sh
# $Id: e184834e6757aac77fd0f71344934b1cd774e6d4 $
Some good information is in How do I enable the ident string for a Git repository?.
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How to stage only part of a new file with git?
...ob already exists in your git object database, you could hardcode the hash e69de29bb2d1d6434b8b29ae775ad8c2e48c5391 instead. I don't recommend doing that_
Hint If you're on Windows, you probably can just use NUL: instead of /dev/null. Otherwise, use something like echo -n '' | git hash-object --...
Getting key with maximum value in dictionary?
... 31, 87: 31,
88: 18, 89: 31, 90: 18, 91: 93, 92: 18, 93: 18, 94: 106, 95: 106, 96: 13, 9232: 35,
98: 26, 99: 26, 100: 26, 101: 26, 103: 88, 104: 13, 106: 13, 107: 101, 1132: 63,
2158: 51, 112: 21, 113: 13, 116: 21, 118: 34, 119: 34, 7288: 45, 121: 96, 122: 21,
124: 109, 125: 109,...
How to properly document S4 class slots using Roxygen2?
...
Joris Meys
95k2626 gold badges196196 silver badges254254 bronze badges
answered Jun 8 '12 at 21:53
William Entri...
How can I make an “are you sure” prompt in a Windows batchfile?
...This batch file uses command extensions which are not available on Windows 95/98/ME using command.com instead of cmd.exe as command interpreter.
The command line set "UserChoice=!UserChoice: =!" is added to make it possible to call this batch file with echo Y | call PromptExample.bat on Windows NT4...
What to do on TransactionTooLargeException
...k(Handler.java:751)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:154)
at android.app.ActivityThread.main(ActivityThread.java:6044)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.ZygoteInit$MethodAndArgs...