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Any way to declare an array in-line?
... It resembles casting. I think that's how I'll think of it so I don't have to google it the once in a bluemoon I need to do this.
– ArtOfWarfare
Aug 21 '12 at 16:10
1
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How do I check whether a jQuery element is in the DOM?
...
Like this:
if (!jQuery.contains(document, $foo[0])) {
//Element is detached
}
This will still work if one of the element's parents was removed (in which case the element itself will still have a parent).
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How do I specify the exit code of a console application in .NET?
...cation. I'd like to specify the "exit code" of my console application. How do I do this?
12 Answers
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How do I edit an incorrect commit message in git ( that I've pushed )?
...ng was wrong, and just
edit it before pushing it out.
I could have done the same with git. It would have been easy enough to
make just the commit message not be part of the name, and still guarantee
that the history was untouched, and allow the "fix up comments later"
thing.
Bu...
Is it expensive to use try-catch blocks even if an exception is never thrown?
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try has almost no expense at all. Instead of doing the work of setting up the try at runtime, the code's metadata is structured at compile time such that when an exception is thrown, it now does a relatively expensive operation of walking up the stack and seeing if any ...
How to shorten my conditional statements
...your item is in the array:
if ([1, 2, 3, 4].includes(test.type)) {
// Do something
}
If a browser you support doesn't have the Array#includes method, you can use this polyfill.
Short explanation of the ~ tilde shortcut:
Update: Since we now have the includes method, there's no point in...
What is the difference between location list and quickfix list in vim
The following is from the documentation about the quickfix list and location list. But I am not sure what actually different. The image below shows the same things from the location list and quickfix list. When do I use one or another in vimgrep and lvimgrep.
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How do I test if a variable is a number in Bash?
I just can't figure out how do I make sure an argument passed to my script is a number or not.
38 Answers
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Does use of final keyword in Java improve the performance?
...until it loads a class which overrides the method, at which point it can undo (or partially undo) those optimizations.
(Of course, this is assuming you're using HotSpot - but it's by far the most common JVM, so...)
To my mind you should use final based on clear design and readability rather than f...
How do I get a list of all subdomains of a domain? [closed]
I want to find out all the subdomains of a given domain. I found a hint which tells me to dig the authoritative Nameserver with the following option:
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