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Is Fortran easier to optimize than C for heavy calculations?
...dard (2008) has co-arrays which allows you to easily write parallel code. G95 (open source) and compilers from CRAY already support it.
So yes Fortran can be fast simply because compilers can optimize/parallelize it better than C/C++. But again like everything else in life there are good compilers...
Does ruby have real multithreading?
... 31T 0:00.04 0:21.92
38293 100.0 R 31T 0:00.04 0:21.95
38293 100.0 R 31T 0:00.04 0:21.99
Once again, the same program but now with the good old MRI. Due to the fact that this implementation uses green-threads, only one thread shows up
(jalcazar@mac ~)$ ...
How can I make a UITextField move up when the keyboard is present - on starting to edit?
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95 Answers
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How does the Java 'for each' loop work?
...: 278,694,271 nanoseconds
B faster by 98,767,552 nanoseconds (25.666236154695838% faster)
[C:\java_code\]java TimeIteratorVsIndexIntArray 1000000
Test A: 288,953,495 nanoseconds
Test B: 207,050,523 nanoseconds
B faster by 81,902,972 nanoseconds (27.844689860906513% faster)
[C:\java_code\]java Time...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...h rbp
4004e1: bd 00 c2 eb 0b mov ebp,0xbebc200
4004e6: 53 push rbx
4004e7: 31 db xor ebx,ebx
4004e9: 41 8d 34 1c lea esi,[r12+rbx*1]
4004ed: 41 8d 7c 1d 00 lea edi,[r13+rbx*1+...
Rename specific column(s) in pandas
...
EdChumEdChum
259k5959 gold badges591591 silver badges439439 bronze badges
add a...
memory_get_peak_usage() with “real usage”
...at(' ', 1024*25); //store 25kb more to string
}
Output:
not real: 0.73469543457031 MiB
real: 0.75 MiB
not real: 0.75910949707031 MiB
real: 1 MiB
...
not real: 0.95442199707031 MiB
real: 1 MiB
not real: 0.97883605957031 MiB
real: 1 MiB
PHP Fatal error: Allowed memory size of 1048576 bytes ex...
Difference between a Postback and a Callback
...
Andreas GrechAndreas Grech
95.7k9595 gold badges282282 silver badges354354 bronze badges
...
Get Character value from KeyCode in JavaScript… then trim
...eems that the KeyPress event does this. See stackoverflow.com/a/9350415/209568. From the jQuery docs "Note that keydown and keyup provide a code indicating which key is pressed, while keypress indicates which character was entered. For example, a lowercase "a" will be reported as 65 by keydown and...
Fastest sort of fixed length 6 int array
...der with registers 127.45 104.65 53.79 98.05 97.95
Sorting Networks (Daniel Stutzbach) 269.77 130.56 128.15 126.70 127.30
Sorting Networks (Paul R) 551.64 103.20 64.57 73.68 73.51
Sorting Networks 12 with Fast Swap 321.74 ...