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What command means “do nothing” in a conditional in Bash?
... echo "2"
fi
From the bash manual:
: (a colon)
Do nothing beyond expanding arguments and performing redirections. The return status is zero.
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Delete files older than 3 months old in a directory using .NET
...ain directory older than 3 months, but I guess the date period could be flexible.
18 Answers
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unable to install pg gem
... postgresql will get you the packages you need.
– Alex LaFroscia
Dec 24 '14 at 16:33
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@Fivell t...
How to check which version of v8 is installed with my NodeJS?
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zlib: '1.2.8',
modules: '11',
openssl: '1.0.1j',
npm: '1.4.28',
xsjs: '0.1.5' }
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Make UINavigationBar transparent
...to have a transparent navbar. How do I revert to the original style after exiting that VC?
– Guilherme
Feb 6 '15 at 19:16
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AJAX POST and Plus Sign ( + ) — How to Encode?
I'm POSTing the contents of a form field via AJAX to a PHP script and using JavaScript to escape(field_contents) . The problem is that any plus signs are being stripped out and replaced by spaces. How can I safely 'encode' the plus sign and then appropriately 'decode' it on the PHP side?
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Find when a file was deleted in Git
...e path] shows the changes of a file, work even if the file was deleted.
Example:
git log --full-history -- myfile
If you want to see only the last commit, which deleted a file use -1 in addition, e.g., git log --full-history -1 -- [file path]
See Which commit deleted a file
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jquery-ui-dialog - How to hook into dialog close event
...Dialog has never been opened before on a page, then the overlay div won't exist in the DOM. Hence, you may consider doing something like this instead: $('body').on('dialogclose', '.ui-dialog', function(){...});
– thdoan
Oct 16 '15 at 4:32
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Rails 3 migrations: Adding reference column?
If I create a new rails 3 migration with (for example)
10 Answers
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