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What is the maximum possible length of a .NET string?
...e. Useful if you know you're going to be using 10,000,000 entries ahead of time, allowing you to ignore some of the crunch.
– Kyle Baran
Aug 29 '14 at 15:53
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How to change a nullable column to not nullable in a Rails migration?
...there are null rows in that database? I'm ok with setting those columns to Time.now if they're currently null.
8 Answers
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What is in your .vimrc? [closed]
...but instead with jk, as I think hitting jk is faster than hitting jj. Only times this has affected me is typing out the alphabet, so maybe kj you be better.
– David Miani
Aug 2 '09 at 16:02
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How can I generate random alphanumeric strings?
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The following line is more memory (and thus time) efficient than the given one return new string(Enumerable.Range(1, length).Select(_ => chars[random.Next(chars.Length)]).ToArray());
– Tyson Williams
Nov 11 '16 at 18:06
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How to elegantly ignore some return values of a MATLAB function?
... was even released, so @ManWithSleeve's answer wouldn't have worked at the time. Now, of course, that's the right approach.
– Jason S
Sep 20 '11 at 14:37
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How to sort a file, based on its numerical values for a field?
...! This is wired, because I looked over its man page back and forth several times and I didnt see that option. Ah, I was at a simplified man page. Damn!
– lukmac
Jan 31 '11 at 21:31
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How do I measure time elapsed in Java? [duplicate]
...e ten answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purp...
Is it possible to capture a Ctrl+C signal and run a cleanup function, in a “defer” fashion?
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Note that in order for the goroutine to get processor time to handle the signal, the main goroutine must call a blocking operation or call runtime.Gosched in an appropriate place (in your program's main loop, if it has one)
– misterbee
Aug ...
RegEx to extract all matches from string using RegExp.exec
...ari, and Opera. Seems like it was drafted in December 2018 so give it some time to reach all browsers, but I trust it will get there.
The built-in matchAll function is nice because it returns an iterable. It also returns capturing groups for every match! So you can do things like
// get the letter...
Functional, Declarative, and Imperative Programming [closed]
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At the time of writing this, the top voted answers on this page are imprecise and muddled on the declarative vs. imperative definition, including the answer that quotes Wikipedia. Some answers are conflating the terms in different w...