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Difference between return and exit in Bash functions
...a function to stop executing and return the value specified by n to its caller. If n is omitted, the return status is that of the last command executed in the function body.
... on exit [n]:
Cause the shell to exit with a status of n. If n is omitted, the exit status is that of the...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...d, while the completion block should run in whatever queue the method was called.
7 Answers
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EC2 Can't resize volume after increasing size
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Thank you Wilman your commands worked correctly, small improvement need to be considered if we are increasing EBSs into larger sizes
Stop the instance
Create a snapshot from the volume
Create a new volume based on the snapshot increasing the size
Check and remember the curr...
How do I keep jQuery UI Accordion collapsed by default?
... On desktop computers I want the first tab open. On mobile devices I want all of them closed.
– user5248
Jun 4 '15 at 22:51
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Should I Stop Stopwatch at the end of the method?
...o a Stopwatch isn't doing any work or eating cpu clock cycles between the calls to Start() and Stop(). Start() just sets a timestamp to now and Stop() calculates and saves the time elapsed since that. See source in coreclr: github.com/dotnet/corefx/blob/master/src/…
– Sammi
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JavaScript Nested function
...ion in the same way it would change the scope of a variable. This is especially important for use with closures to reduce total global namespace pollution.
The functions defined within another function won't be accessible outside the function unless they have been attached to an object that is acce...
jQuery - Trigger event when an element is removed from the DOM
... couldn't find a mention of this. Would like to see whether this is officially supported / any caveats about using it...
– josh
Aug 1 '13 at 17:00
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Can I run HTML files directly from GitHub, instead of just viewing their source?
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Just an FYI: This doesn't seem to work at all for private repos, for obvious reasons.
– rfay
Sep 12 '13 at 19:45
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When annotating a class with @Component, does this mean it is a Spring Bean and Singleton?
...base-package="com.yourcompany" />
About singletons - spring beans are all in singleton scope by default. The only thing you have to have in mind is that you should not store state in field variables (they should only hold dependencies). Thus your application will be thread-safe, and you won't r...
What are namespaces?
...espacing does for functions and classes what scope does for variables. It allows you to use the same function or class name in different parts of the same program without causing a name collision.
In simple terms, think of a namespace as a person's surname. If there are two people named "John" yo...