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Pipe output and capture exit status in Bash
...n:
((((someprog; echo $? >&3) | filter >&4) 3>&1) | (read xs; exit $xs)) 4>&1
echo $?
See my answer for the same question on unix.stackexchange.com for a detailed explanation and an alternative without subshells and some caveats.
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How can I get the current user's username in Bash?
...current terminal (ignores EUID)
$USER variable is set correctly only after reading profile files (for example, /etc/profile)
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How to remove “index.php” in codeigniter's path
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The blog is gone now, and I would very much have liked to read it. None of these solutions are working for me...
– Kevin Beal
Nov 22 '12 at 20:52
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MySQL OPTIMIZE all tables?
...iven schedule is not beneficial for everyone. Take a look at this post and read the comments for much more in depth thought on this topic than I can provide in limited space here: xaprb.com/blog/2010/02/07/…
– Ike Walker
Oct 23 '12 at 21:19
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Is there a way to suppress warnings in Xcode?
... It seems #pragma GCC diagnostic ignored "-Wwarning-flag" is removed already
– allenlinli
Dec 6 '19 at 1:44
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How do I enable file editing in Visual Studio's debug mode?
...eal VS would impose this artificial restriction. It's not like it needs to read the source files while it is running. There's no technical reason why it should have to lock the source files. Xcode has no problem letting you code while the app is running. The changes just don't apply until the next r...
Android Studio: how to attach Android SDK sources?
... SDK in search and studio will help you to take to right place.
You can read the description, says mostly what to do.
So after clicking on "show package details" you will see whether sources are installed or not (as shown in below picture) if it is not installed do install and you are good.
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Facebook Graph API, how to get users email?
...{
echo $loginUrl = $facebook->getLoginUrl(array('scope' => 'email,read_stream'));
}
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Unpack a list in Python?
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function_that_needs_strings(*my_list) # works!
You can read all about it here.
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Why use jQuery on() instead of click()
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You should read up on the difference between live and bind.
In a nutshell, live uses event delegation, allowing you to bind to elements that exist now and in the future.
In contrast, handlers attached via bind (and its shortcuts, like...