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How to write a large buffer into a binary file in C++, fast?
... fwrite(a, 1, size*sizeof(unsigned long long), pFile);
}
fclose(pFile);
return 0;
}
I just timed 8GB in 36sec, which is about 220MB/s and I think that maxes out my SSD. Also worth to note, the code in the question used one core 100%, whereas this code only uses 2-5%.
Thanks a l...
Is JavaScript guaranteed to be single-threaded?
...e question of whether browsers really implement their JS engines using one OS-thread, or whether other limited threads-of-execution are introduced by WebWorkers.)
However, in reality this isn't quite true, in sneaky nasty ways.
The most common case is immediate events. Browsers will fire these rig...
Detect if Android device has Internet connection
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answered Jun 27 '11 at 13:29
THelperTHelper
13.5k66 gold badges5858 silver badges9292 bronze badges
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How to save as a new file and keep working on the original one in Vim?
...urrent_file
– Derek
Jan 7 '15 at 21:27
8
I just confirmed that without the "%:h/" the file will b...
How to recursively find the latest modified file in a directory?
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plundraplundra
15k33 gold badges2727 silver badges2323 bronze badges
7
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ASP.NET Temporary files cleanup
...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....
How to find the installed pandas version
...rted without sudo.
– jangorecki
May 27 '18 at 4:16
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How do I check if a string contains another string in Objective-C?
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answered Jun 27 '12 at 12:40
AJSAJS
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Java NIO FileChannel versus FileOutputstream performance / usefulness
...leChannel.transferFrom(). The key advantage here is that the JVM uses the OS's access to DMA (Direct Memory Access), if present. (This is implementation dependent, but modern Sun and IBM versions on general purpose CPUs are good to go.) What happens is the data goes straight to/from disc, to the b...
How big can a MySQL database get before performance starts to degrade
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edited Jul 27 at 16:27
answered Jun 30 '17 at 16:25
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