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Get timezone from DateTime

...ly means. DateTimeOffset is somewhat better - that's basically a UTC time and an offset. However, that's still not really enough to determine the timezone, as many different timezones can have the same offset at any one point in time. This sounds like it may be good enough for you though, as all yo...
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Empty set literal?

... @andy That's not an empty set - that's a set containing the number 1. You don't need the trailing comma by the way - that's only required for tuples. – sepp2k Jan 19 '15 at 13:12 ...
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How to perform case-insensitive sorting in JavaScript?

... True and thanks. I wrote this with clarity in mind, not performance. I guess I should note that. – ron tornambe Aug 6 '13 at 19:00 ...
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How can I use Homebrew to install both Python 2 and 3 on Mac?

I need to be able to switch back and forth between Python 2 and 3. How do I do that using Homebrew as I don't want to mess with path and get into trouble. Right now I have 2.7 installed through Homebrew. ...
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What is the best regular expression to check if a string is a valid URL?

...$IRI . '|' . $irelative_ref); Edit 7 March 2011: Because of the way PHP handles backslashes in quoted strings, these are unusable by default. You'll need to double-escape backslashes except where the backslash has a special meaning in regex. You can do that this way: $escape_backslash = '/(?<!...
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In jQuery, how do I get the value of a radio button when they all have the same name?

... .is(":checked"). jQuery's is() function returns a boolean (true or false) and not (an) element(s). Because this answer keeps getting a lot of attention, I'll also include a vanilla JavaScript snippet. document.querySelector("#submit").addEventListener("click", () => { const val = docu...
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jquery - fastest way to remove all rows from a very large table

...on. Kind of makes me want to do really ugly stuff like just hide the table and create a new one when I want to update it. – morgancodes Apr 6 '09 at 20:53 10 ...
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Python Empty Generator Function

... return once in a generator; it stops iteration without yielding anything, and thus provides an explicit alternative to letting the function run out of scope. So use yield to turn the function into a generator, but precede it with return to terminate the generator before yielding anything. >>...
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Case-insensitive search

...atched'); } Using a regular expression like that is probably the tidiest and most obvious way to do that in JavaScript, but bear in mind it is a regular expression, and thus can contain regex metacharacters. If you want to take the string from elsewhere (eg, user input), or if you want to avoid ha...
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convert UIImage to NSData

... @sergio I'm not experienced with non-ARC Obj-C and I wonder if releasing data would be enough or if there would still be a memory leak. – mostruash Jan 17 '14 at 15:15 ...