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Recursive Lock (Mutex) vs Non-Recursive Lock (Mutex)
POSIX allows mutexes to be recursive. That means the same thread can lock the same mutex twice and won't deadlock. Of course it also needs to unlock it twice, otherwise no other thread can obtain the mutex. Not all systems supporting pthreads also support recursive mutexes, but if they want to be P...
How can I reset or revert a file to a specific revision?
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@aliteralmind: Actually, yes, there's a way to do it: "git log --reverse -1 --ancestry-path yourgitrev..master" and then use the appropriate options to just get the git rev. --ancestry-path will "draw a line" between two commits and -1 will sho...
HTML text-overflow ellipsis detection
I have a collection of block elements on a page. They all have the CSS rules white-space, overflow, text-overflow set so that overflowing text is trimmed and an ellipsis is used.
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How can a Java variable be different from itself?
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Heh, this totally answers the question as asked.
– Dave Newton
Oct 17 '13 at 1:20
5
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Can I convert long to int?
...ew Random() uses Environment.TickCount under the hood; no need to seed manually with clock ticks.
– Mehrdad Afshari
Oct 8 '11 at 22:51
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C++ obtaining milliseconds time on Linux — clock() doesn't seem to work properly
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Please note that clock does not measure wall clock time. That means if your program takes 5 seconds, clock will not measure 5 seconds necessarily, but could more (your program could run multiple threads and so could consume more CPU than real time) or less. It measu...
How to edit data in result grid in SQL Server Management Studio
...ning your select query into a view
right click on the view and choose Edit All Rows (you will get a grid of values you can edit - even if the values are from different tables).
You can also add Insert/Update triggers to your view that will allow you to grab the values from your view fields and th...
Generate random string/characters in JavaScript
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@dan_waterworth, Actually, += is often faster for some reason, even used inside loops - jsperf.com/join-vs-concatenation
– Konrad Borowski
May 1 '13 at 12:29
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Case-Insensitive List Search
...String.Equals to ensure you don't have partial matches. Also don't use FindAll as that goes through every element, use FindIndex (it stops on the first one it hits).
if(testList.FindIndex(x => x.Equals(keyword,
StringComparison.OrdinalIgnoreCase) ) != -1)
Console.WriteLine("Found in l...
URL: Username with @
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do I have to do this with all characters different than alphanumeric? for example, if my username is name.lastname@mail.com and my password abc!@#, should I use name%2Elastname%40mail%2Ecom and abc%21%40%23?
– m4l490n
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