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ImportError: DLL load failed: %1 is not a valid Win32 application. But the DLL's are there
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answered Sep 27 '13 at 3:00
Kill ConsoleKill Console
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Split string to equal length substrings in Java
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20 Answers
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How to prevent going back to the previous activity?
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edited Jul 8 '13 at 19:30
answered Dec 28 '11 at 18:53
co...
How to add percent sign to NSString
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answered Apr 11 '09 at 7:48
mouvicielmouviciel
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What vim plugins are available for Eclipse? [closed]
...l as the following commands:
Motions
h j k l w W e E b B f F t T ; , ^ $ 0 % G H M L gg ge gE
Operators
y Y d D c C s S p P r J x X i I a A o O . < > gc gu gU
Search
/ ? n N * #
Text Objects (only in normal mode)
ib i( i) i[ i] iB i{ i} i i" i' i` iw iW ab a( a) a[ a] aB a{ a} a a" a' ...
Subset of rows containing NA (missing) values in a chosen column of a data frame
....na() instead. This should do it:
new_DF <- DF[rowSums(is.na(DF)) > 0,]
or in case you want to check a particular column, you can also use
new_DF <- DF[is.na(DF$Var),]
In case you have NA character values, first run
Df[Df=='NA'] <- NA
to replace them with missing values.
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How can I get Docker Linux container information from within the container itself?
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Thomas A.Thomas A.
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How can I generate Unix timestamps?
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In Linux or MacOS you can use:
date +%s
where
+%s, seconds since 1970-01-01 00:00:00 UTC. (GNU Coreutils 8.24 Date manual)
Example output now 1454000043.
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Upgrade Node.js to the latest version on Mac OS
Currently I am using Node.js v0.6.16 on Mac OS X 10.7.4. Now I want to upgrade it to the latest Node.js v0.8.1. But after downloading and installing the latest package file from nodejs.org, I found that system is still using v0.6.16 instead of v0.8.1 when I typed "node -v" in a terminal. Is there an...