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Is Java Regex Thread Safe?
...tform by any compatible VM, you can't be sure those fixes exist in that runtime. Of course most of the time you know which version the server is running, but it's tedious to check every single version.
– TWiStErRob
Sep 3 '16 at 21:03
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Using Chrome's Element Inspector in Print Preview Mode?
...mbest thing I've seen to come out of google as of yet! Such a waste of my time.
– isapir
Apr 5 '16 at 16:44
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Capturing Groups From a Grep RegEx
...that in this case, I show an example of concatenating a string at the same time that the substring is captured.
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Mixin vs inheritance
...r single inheritance are that you can write code for the functionality one time, and then use the same functionality in multiple different classes. The disadvantage is that you may need to look for that functionality in other places than where it is used, so it is good to mitigate that disadvantage ...
“You have mail” message in terminal, os X [closed]
...pon a mail arrival (which is still unread) can trigger You have mail every time you open a new tab in Terminal (which happened to me once). To solve this problem, the file is needed to be removed (ie. sudo rm /var/mail/<your-username>).
– Muntashir Akon
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Redirect website after certain amount of time
...hat use of meta refresh is deprecated and frowned upon these days, but sometimes it's the only viable option (for example, if you're unable to do server-side generation of HTTP redirect headers and/or you need to support non-JavaScript clients etc).
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Is there a way to add/remove several classes in one single instruction with classList?
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Firefox doesn't support it either, at the time of writing. My answer provides a polyfill.
– Andy E
Apr 26 '14 at 21:23
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How do I sort unicode strings alphabetically in Python?
...library.
I uploaded the script to github as the original was down at the time of this writing and I had to resort to web caches to get it:
https://github.com/href/Python-Unicode-Collation-Algorithm
I successfully used this script to sanely sort German/French/Italian text in a plone module.
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Is it safe to resolve a promise multiple times?
...ck(users))
}
just pass your function as a callback and invoke it as many times you wish! Hope that makes sense.
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What is a loop invariant?
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This is an excellent example. Many times when I've heard an instructor describe the loop invariant, it has simply been 'the loop condition', or something similar. Your example shows that the invariant can be much more.
– Brian S
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