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Does JavaScript have a built in stringbuilder class?

...tested it in Internet Explorer 8 and Firefox 3.5.5, both on a Windows 7 x64. In the beginning I tested on small number of iterations (some hundred, some thousand items). The results were unpredictable (sometimes string concatenation took 0 milliseconds, sometimes it took 16 milliseconds, the same ...
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What is meant by 'first class object'?

... Sander VersluysSander Versluys 64.9k2222 gold badges7979 silver badges8888 bronze badges ...
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get NSDate today, yesterday, this Week, last Week, this Month, last Month… variables

...s taken from Google NSDate *yesterday = [today dateByAddingTimeInterval: -86400.0]; NSDate *thisWeek = [today dateByAddingTimeInterval: -604800.0]; NSDate *lastWeek = [today dateByAddingTimeInterval: -1209600.0]; // To get the correct number of seconds in each month use NSCalendar NSDate *thisMon...
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Fast check for NaN in NumPy

...4.45 ms per loop %timeit np.isnan(array.min()) # 1000 loops, best of 3: 1.64 ms per loop But in case there is a NaN in the array, especially if it's position is at low indices, then it's much faster: array = np.random.random(2000000) array[100] = np.nan %timeit anynan(array) # 1000000 ...
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Android studio using > 100% CPU at all times - no background processes appear to be running

...the bottom of memory tab) Fix is to change the studio.vmoptions (or studio64.vmoptions in my case), to increase the -Xmx value from default 750m to 1500m. It is sufficient for me. if you have too much memory, set to 2g or 4g or 16g.. ...
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Is there an auto increment in sqlite?

...n alias for the ROWID (except in WITHOUT ROWID tables) which is always a 64-bit signed integer. On an INSERT, if the ROWID or INTEGER PRIMARY KEY column is not explicitly given a value, then it will be filled automatically with an unused integer, usually one more than the largest ROWID cur...
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Is it okay to use now?

... Hank GayHank Gay 64.2k2929 gold badges144144 silver badges216216 bronze badges ...
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How to read a file in reverse order?

...he file and then clean-close it? – BringBackCommodore64 Mar 13 '17 at 16:09 ...
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How to link C++ program with Boost using CMake

...MOnsDaRMOnsDaR 7,51966 gold badges4141 silver badges6464 bronze badges 2 ...
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Best way to iterate through a Perl array

..., sounds like one shouldn't use that approach. stackoverflow.com/questions/6440723/… rt.cpan.org/Public/Bug/Display.html?id=115863 – Thorsten Schöning Jan 14 '19 at 11:40 ...