大约有 47,000 项符合查询结果（耗时：0.0423秒） [XML]
How to get the first column of a pandas DataFrame as a Series?
...c wasn't there yet back then. In 2016, the correct answer is Jeff's (after all he's pandas God, mind you ;-)). I'm not sure what's SO's policy regarding update of answers due to API change; I'm honestly surprised by the number of votes for this answer, didn't think it was that useful to people...
...
Recursively list all files in a directory including files in symlink directories
... directories
/dir/dir11 , /dir/dir12 , and /dir/dir13 . I want to list all the files in dir including the ones in dir11 , dir12 and dir13 .
...
Linux delete file with size 0 [duplicate]
...
This will delete all the files in a directory (and below) that are size zero.
find /tmp -size 0 -print -delete
If you just want a particular file;
if [ ! -s /tmp/foo ] ; then
rm /tmp/foo
fi
...
String formatting in Python 3
...
Mark ReedMark Reed
76.8k1313 gold badges110110 silver badges143143 bronze badges
...
Can mustache iterate a top-level array?
...
|
edited Feb 11 '13 at 14:35
answered Apr 4 '12 at 15:15
...
Filter rows which contain a certain string
...n easily extend to more than one column.
Below also a solution with filter_all in order to find the string in any column,
using diamonds as example, looking for the string "V"
library(tidyverse)
String in only one column
# for only one column... extendable to more than one creating a column list in...
Facebook share link without JavaScript
...ove it (the onclick part) ... and it will still work. But I can see how it all not 100% clear ... I'll edit it.
– King'ori Maina
Feb 26 '14 at 16:03
2
...
How to send email from Terminal?
...
Note all this solutions assume you have a locally installed MTA
– Miquel
Nov 24 '11 at 18:07
11
...
How to correct TypeError: Unicode-objects must be encoded before hashing?
...
asmeurer
72.5k2222 gold badges141141 silver badges212212 bronze badges
answered Sep 28 '11 at 15:10
cwallenpoolecwallenpoole
...
Determining the last changelist synced to in Perforce
A question that occasionally arises is what is the best way to determine the changelist that you last synced to in Perforce. This is often needed for things like injecting the changelist number into the revision info by the automatic build system.
...