大约有 597 项符合查询结果(耗时:0.0126秒) [XML]

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How do you echo a 4-digit Unicode character in Bash?

... For those people trying a hexdump: 0000000 f0 9f 8d ba translates to \xf0\x9f\x8d\xba. Example echo: echo -e "\xf0\x9f\x8d\xba". – Blaise May 28 '15 at 14:25 ...
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PostgreSQL - how to quickly drop a user with existing privileges

...d DB users for the app I'm working on, and I want to drop the Postgres database user I'm using for experimenting. Is there any way to drop the user without having to revoke all his rights manually first, or revoke all the grants a user has? ...
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Good Hash Function for Strings

...ive, otherwise stop where it ends). Would that be a good idea, or is it a bad one? 15 Answers ...
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Getting “Warning! PATH is not properly set up” when doing rvm use 2.0.0 --default

... Arslan Ali 15.7k77 gold badges4545 silver badges6363 bronze badges answered Sep 19 '14 at 21:37 brandoncontrerasbrandoncontre...
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Running multiple commands with xargs

... Charles Duffy 218k3232 gold badges273273 silver badges333333 bronze badges answered Aug 5 '11 at 15:41 Keith ThompsonKeith Thomps...
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Understanding colors on Android (six characters)

...ing to understand how colors work in Android. I have this color set as the background of my LinearLayout , and I get a background gray with some transparency: ...
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How to do case insensitive string comparison?

... SLaksSLaks 770k161161 gold badges17711771 silver badges18631863 bronze badges ...
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How can I search Git branches for a file or directory?

... for you: % git log --all -- somefile commit 55d2069a092e07c56a6b4d321509ba7620664c63 Author: Dustin Sallings <dustin@spy.net> Date: Tue Dec 16 14:16:22 2008 -0800 added somefile % git branch -a --contains 55d2069 otherbranch Supports globbing, too: % git log --all -- '**/my_fi...
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How to specify the private SSH-key to use when executing shell command on Git?

... Something like this should work (suggested by orip): ssh-agent bash -c 'ssh-add /somewhere/yourkey; git clone git@github.com:user/project.git' if you prefer subshells, you could try the following (though it is more fragile): ssh-agent $(ssh-add /somewhere/yourkey; git clone git@github...
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Ruby on Rails - Import Data from a CSV file

I would like to import data from a CSV file into an existing database table. I do not want to save the CSV file, just take the data from it and put it into the existing table. I am using Ruby 1.9.2 and Rails 3. ...