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How to deal with a slow SecureRandom generator?
...cure than any variant of "hash the current time together with the PID, add 27, and hope for the best". If all you need is random numbers for a game, though, or if you want the stream to be repeatable in future using the same seed for testing purposes, an insecure seed is still useful.
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Does async(launch::async) in C++11 make thread pools obsolete for avoiding expensive thread creation
...of calling things and came up with these numbers on an 8 core (AMD Ryzen 7 2700X) system running Fedora 29 compiled with clang version 7.0.1 and libc++ (not libstdc++):
Do nothing calls per second: 35365257
Empty calls per second: 35210682 ...
Give all the permissions to a user on a DB
...u003cpath fill-rule=\"evenodd\" clip-rule=\"evenodd\" d=\"M25.6622 17.6335C27.8049 17.6335 29.3739 16.9402 30.2537 15.6379C30.8468 14.7755 30.9615 13.5579 30.9615 11.9512V6.59049C30.9615 5.28821 30.4833 4.66231 29.4502 4.66231C28.9913 4.66231 28.4555 4.94978 28.1109 5.50789C27.499 4.86533 26.7335 4....
Why do we use $rootScope.$broadcast in AngularJS?
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Prashant KPrashant K
63277 silver badges77 bronze badges
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How do I include a file over 2 directories back?
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. = current directory
.. = parent directory
So ../ gets you one directory back not two.
Ch...
How to create an array containing 1…N
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аlex dykyі
3,6272121 silver badges3535 bronze badges
answered Sep 19 '10 at 17:54
scunliffescunliffe
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How do detect Android Tablets in general. Useragent?
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This answer is not completely correct. There are quite a few tablets - even the newest Kindle Fire - that report "Mobile" Safari in the us...
How do I run a shell script without using “sh” or “bash” commands?
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answered Jan 12 '16 at 17:27
JoelWassJoelWass
46711 gold badge
How do you get the magnitude of a vector in Numpy?
...file.run('np.sqrt((V*V).sum(axis=1))') # 5 function calls in 0.027 seconds
cProfile.run('np.sqrt(inner1d(V,V))') # 2 function calls in 0.009 seconds
inner1d is ~3x faster than linalg.norm and a hair faster than einsum
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Understanding the difference between Object.create() and new SomeFunction()
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edited Jan 27 '18 at 19:09
Lyubomir
16k44 gold badges4444 silver badges5555 bronze badges
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