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What's the Best Way to Shuffle an NSMutableArray?
If you have an NSMutableArray , how do you shuffle the elements randomly?
12 Answers
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How to Empty Caches and Clean All Targets Xcode 4 and later
...ode Includes .xib files that have been deleted! that cleaning all targets and empty the caches will fix the problem with Xcode including deleted .xib files but I cannot find a way to empty the cache in Xcode 4.
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How to find patterns across multiple lines using grep?
I want to find files that have "abc" AND "efg" in that order, and those two strings are on different lines in that file. Eg: a file with content:
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Replace whole line containing a string using Sed
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You can use the change command to replace the entire line, and the -i flag to make the changes in-place. For example, using GNU sed:
sed -i '/TEXT_TO_BE_REPLACED/c\This line is removed by the admin.' /tmp/foo
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How do I get the find command to print out the file size with the file name?
If I issue the find command as follows:
15 Answers
15
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Build Android Studio app via command line
I want to build an Android Studio app (the Gradle build system), but I want to do this via the command line.
12 Answers
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How to send email via Django?
...s perfect. Note the small typo correction in the comments of the article. (And I just used my regular computer/localhost. I had not set anything else up before hand.)
– user984003
Oct 24 '12 at 16:11
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Unexpected results when working with very big integers on interpreted languages
...he sum of 1 + 2 + ... + 1000000000 , but I'm getting funny results in PHP and Node.js .
36 Answers
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Save Screen (program) output to a file
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There is a command line option for logging. The output is saved to screenlog.n file, where n is a number of the screen.
From man pages of screen:
‘-L’ Tell screen to turn on automatic output logging for the windows.
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Java Mouse Event Right Click
On my three button mouse MouseEvent.BUTTON2 = Middle Click and MouseEvent.BUTTON3 = Right Click.
3 Answers
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