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Generating an MD5 checksum of a file
...) 0.0219960212708
subprocess.check_output(['cksum', filename]) 0.0553209781647
md5sum_mmap(filename) 0.0286180973053
md5sum_read(filename) 0.0311000347137
subprocess.check_output(['md5sum', filename]) 0.0332629680634
$ time md5sum /tmp/test.data.300k
d3fe3d5d4c2460b5daacc30c6efbc77f /tmp/test.data....
What's the difference between using “let” and “var”?
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Ben SBen S
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What use is find_package() if you need to specify CMAKE_MODULE_PATH anyway?
...ires no hard-coded paths and is cross-platform. On Windows (including mingw64) it works via the registry. If you examine how the list of installation prefixes is constructed by the CONFIG mode of the find_packages() command, you'll see that the User Package Registry is one of elements.
Brief how-to...
How to play a local video with Swift?
... return false
}
}
func seekToPosition(seconds:Float64) {
if let player = assetPlayer {
pause()
if let timeScale = player.currentItem?.asset.duration.timescale {
player.seekToTime(CMTimeMakeWithSeconds(seconds, timeScale), comple...
git cherry-pick says “…38c74d is a merge but no -m option was given”
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640
The way a cherry-pick works is by taking the diff a changeset represents (the difference betwe...
Natural Sort Order in C#
...jEzKsSwKg==";
string[] fileNames = Encoding.UTF8.GetString(Convert.FromBase64String(encodedFileNames))
.Replace("*", ".txt?").Split(new[] { "?" }, StringSplitOptions.RemoveEmptyEntries)
.Select(n => expand(n)).ToArray();
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How can I unit test Arduino code?
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64
In the absence of any pre-existing unit test frameworks for Arduino, I have created ArduinoUnit...
How to get JSON response from http.Get
...e/34s/88137413.png size:small] map[#text:http://userserve-ak.last.fm/serve/64s/88137413.png size:medium] map[#text:http://userserve-ak.last.fm/serve/126/88137413.png size:large] map[#text:http://userserve-ak.last.fm/serve/300x300/88137413.png size:extralarge]] @attr:map[rank:1] duration:369 mbid: st...
Is R's apply family more than syntactic sugar?
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on a 12 core 3Ghz intel Xeon, 64bit, I get quite different numbers to you - the for loop improves considerably: for your three tests, I get 2.798 0.003 2.803; 4.908 0.020 4.934; 1.498 0.025 1.528, and vapply is even better: 1.19 0.00 1.1...
Is 'switch' faster than 'if'?
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To your question:
1.What would a basic jump table look like, in x86 or x64?
Jump table is memory address that holds pointer to the labels in something like array structure. following example will help you understand how jump tables are laid out
00B14538 D8 09 AB 00 D8 09 AB 00 D8 09 AB 00 D8 0...