大约有 2,160 项符合查询结果（耗时：0.0155秒） [XML]
How do I prevent commands from showing up in Bash history?
Sometimes, when I run commands like rm -rf XYZ , I don't want this to be recorded in Bash history, because I might accidentally run the same command again by reverse-i-search . Is there a good way to prevent this from happening?
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Add list to set?
... set.update() adds the list to the set, correct? what is the pipe equals operator for?
– FistOfFury
Jan 7 at 18:24
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“Parser Error Message: Could not load type” in Global.asax
...sax file, reformatted my monitors, and did a jaunty jig accompanied by the pipes of Pan and that seemed to do the trick.
– MrBoJangles
Nov 3 '16 at 18:36
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How to specify more spaces for the delimiter using cut?
... approach is 5-10% slower than the awk approach (because there is one more pipe to handle with tr), but in general this will be irrelevant.
– Oliver
Jan 16 '19 at 16:55
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How to check if the URL contains a given string?
... check if it has one or the other value, use the OR operator, which is two pipe characters || if( window.location.href.indexOf("cart") > -1 || window.location.href.indexOf("box") > -1 )
– Adrian Gonzales
Oct 11 '16 at 16:55
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Retrieve CPU usage and memory usage of a single process on Linux?
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@Chaitanya: pipe it through | tail -n +2
– caf
Nov 28 '12 at 7:24
11
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Pass ruby script file to rails console
...ideal like you would expect a standalone script to run (not get eval-ed or piped via < redirection), but finally this works perfect for me:
(for Rails 3)
Insert at the top of your script:
#!/usr/bin/env ruby
APP_PATH = File.expand_path(appdir = '/srv/staging/strat/fundmgr/config/application',...
Exclude .svn directories from grep [duplicate]
When I grep my Subversion working copy directory, the results include a lot of files from the .svn directories. Is it possible to recursively grep a directory, but exclude all results from .svn directories?
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Viewing contents of a .jar file
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Extending Tom Hawtin answer, you can pipe the listing to filter out desired class or files:
jar tf my-fat-jar-file.jar | grep filename
This should work on bash/zsh and similars, or emacs' eshell.
Additional information: https://docs.oracle.com/javase/tutorial...
How do I run multiple background commands in bash in a single line?
...ing it, in the background. "connected" here means the command is part of a pipe ( | ) or a logical operator.
– Douwe van der Leest
May 21 '19 at 6:53
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