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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...
Measure time in Linux - time vs clock vs getrusage vs clock_gettime vs gettimeofday vs timespec_get?
...on. In principle this clock wraps around, however it is storing ns using a 64-bit unsigned integer, so the wrapping around shouldn't be an issue in practice. Portability is questionable.
I wrote a hybrid function based on this snippet that uses clock_gettime when compiled on Linux, or a Mach timer w...
Why is “except: pass” a bad programming practice?
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pokepoke
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1
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Difference between DateTime and Time in Ruby
...s. Yes, in 2038 we're basically screwed until we can all agree on a proper 64-bit time format. Jury is still out.
– tadman
May 10 '12 at 17:44
28
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Left Align Cells in UICollectionView
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64
There are many great ideas included in the answers to this question. However, most of them have...
How exactly does __attribute__((constructor)) work?
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64
.init/.fini isn't deprecated. It's still part of the the ELF standard and I'd dare say it will ...
The new keyword “auto”; When should it be used to declare a variable type? [duplicate]
..., " << c(i) << std::endl;
Output:
0, 0
1, 1
4, 8
9, 27
16, 64
Now compare the above code with the following equivalent code which doesn't use auto:
foam::composition::expression<int> x;
//scroll horizontally to see the complete type!!
foam::composition::expression<foam::...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
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not working well for 64 bit apps, look here instead:stackoverflow.com/questions/18358548/…
– omer schleifer
Aug 11 '15 at 12:28
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Framework vs. Toolkit vs. Library [duplicate]
...ark Ransom
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answered Jun 16 '10 at 23:36
Pascal ThiventPascal Thivent
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