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How do I set a variable to the output of a command in Bash?
... Curly braces can be used when the variable is immediately followed by more characters which could be interpreted as part of the variable name. e.g. ${OUTPUT}foo. They are also required when performing inline string operations on the variable, such as ${OUTPUT/foo/bar}
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Event listener for when element becomes visible?
...available), I believe that a request to change the correct answer would be more appropriate than a downvote. In any case, thanks for the heads-up :)
– maltalef
Jan 13 '16 at 21:31
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What is eager loading?
What is eager loading? I code in PHP/JS but a more generalised answer will be just fine.
4 Answers
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How can I check if a program exists from a Bash script?
...o use.
If your script uses bash though, POSIX rules don't really matter anymore and both type and hash become perfectly safe to use. type now has a -P to search just the PATH and hash has the side-effect that the command's location will be hashed (for faster lookup next time you use it), which is us...
jQuery - Trigger event when an element is removed from the DOM
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What is the worst gotcha in C# or .NET? [closed]
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Missing return statement in a non-void method compiles
...unreachable end point because of a goto (remember, a while(true) is just a more pleasant way to write goto) instead of a throw (which is another form of goto) is not relevant.
Why doesn't the compiler even warn about returning something?
Because the compiler has no good evidence that the code...
What are the differences between Helper and Utility classes?
...here are many naming styles to use. I would suggest Utils just because its more common.
A Utility class is understood to only have static methods and be stateless. You would not create an instance of such a class.
A Helper can be a utility class or it can be stateful or require an instance be crea...
Sorting object property by values
...dard, as you've yourself mentioned, this erroneous assumption is broken by more browsers than just Chrome today, so it's better not to encourage users to try it.
– Oleg V. Volkov
Aug 15 '12 at 15:42
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Python: Continuing to next iteration in outer loop
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