大约有 40,000 项符合查询结果（耗时：0.0491秒） [XML]
Should I use “hasClass” before “addClass”? [duplicate]
...able as well.. (click on line number and shift+click on another to select all lines..)
– Gabriele Petrioli
Nov 13 '12 at 10:30
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Delete a dictionary item if the key exists [duplicate]
... Does this only do 1 lookup?
– David Callanan
Nov 19 '17 at 18:34
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it does 2 look...
wget command to download a file and save as a different filename
...ke wget -O - http://foo > file; file will be truncated immediately, and all downloaded content will be written there."
– user2913694
Jul 28 '15 at 15:35
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List of installed gems?
Is there a Ruby method I can call to get the list of installed gems?
11 Answers
11
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An efficient way to transpose a file in Bash
...e question's sample data and gives the required output (give or take blank vs tab spacing). Mainly my mistake.
– Jonathan Leffler
Nov 13 '09 at 17:20
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Test if a vector contains a given element
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what about getting all appearances, not just the first one?
– StatsSorceress
Mar 15 '18 at 0:54
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Listing only directories in UNIX
... of ls isn't used. Similar to the behaviour of ls *php and how it displays all files ending with php in a directory.
– David Hancock
Oct 18 '13 at 15:24
3
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C++ const map element access
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I'm using at() with in VS2013 on a project set to use VS2010 toolkit. I thought that meant I wasn't using C++11... But yet it compiles... ??
– thomthom
Dec 7 '13 at 22:27
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Remove columns from dataframe where ALL values are NA
I'm having trouble with a data frame and couldn't really resolve that issue myself:
The dataframe has arbitrary properties as columns and each row represents one data set .
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Is there a good tutorial on MSBuild scripts? [closed]
... Build, Clean, Rebuild and Publish command in the project context menu actually are MSBuild "targets".
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