大约有 18,000 项符合查询结果（耗时：0.0311秒） [XML]
In Python, how do I determine if an object is iterable?
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83
If my_object is very large (say, infinite like itertools.count()) your list comprehension will take up a lot of time/memory. Better to make...
How to calculate moving average using NumPy?
... window (n=1001)
scipy.convolve :
peak memory: 370.62 MiB, increment: 71.83 MiB
scipy.convolve, edge handling :
peak memory: 521.98 MiB, increment: 223.18 MiB
numpy.cumsum :
peak memory: 451.32 MiB, increment: 152.52 MiB
numpy.cumsum, edge handling :
peak memory: 527.51 MiB, increment: 228.7...
Colors in JavaScript console
...2px hsl(172.8, 100%, 50%), 51px 33px hsl(178.2, 100%, 50%), 52px 34px hsl(183.6, 100%, 50%), 53px 35px hsl(189, 100%, 50%), 54px 36px hsl(194.4, 100%, 50%), 55px 37px hsl(199.8, 100%, 50%), 55px 38px hsl(205.2, 100%, 50%), 56px 39px hsl(210.6, 100%, 50%), 57px 40px hsl(216, 100%, 50%), 57px 41px hsl...
LINGO使用指南 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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.1e+11
全局最优求解程序中变量的上界
83
GLBUBD
2
全局最优求解程序中变量的上界的应用范围(0: 所有变量都不使用上界; 1: 所有变量都使用上界; 2:部分使用)
84
GLBBRN
5
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cpuid汇编指令 - C/C++ - 清泛网 - 专注C/C++及内核技术
... 2nd-level cache: 256-KB, 8-way set associative, 32-byte line size
83h 2nd-level cache: 512-KB, 8-way set associative, 32-byte line size
84h 2nd-level cache: 1-MB, 8-way set associative, 32-byte line size
85h 2nd-level cache: 2-MB, 8-way set associative, 32-byte line size
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Swift Beta performance: sorting arrays
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Here is Swift's builtin sort() for n=10_000:
Swift_builtin: 0.77865783
Here is [-O] for n=10_000:
Swift: 0.045478346
C: 0.000784666
Swift_builtin: 0.032513488
As you can see, Swift's performance improved by a factor of 20.
As per mweathers' answer, setting [...
Pretty-print C++ STL containers
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83
This solution was inspired by Marcelo's solution, with a few changes:
#include <iostream>...
Why would I want stage before committing in Git?
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83
When you commit it's only going to commit the changes in the index (the "staged" files). There...
How to find list of possible words from a letter matrix [Boggle Solver]
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Eric
83.8k4343 gold badges195195 silver badges315315 bronze badges
answered Apr 15 '09 at 2:00
Darius Baco...
Append an object to a list in R in amortized constant time, O(1)?
...58.609706 5
list_ 8.746356 8.79615 9.162577 8.8315 9.601226 9.837655 5
by_index 953.989076 1038.47864 1037.859367 1064.3942 1065.291678 1067.143200 5
append_ 1634.151839 1682.94746 1681.948374 1689.7598 1696.198890 1706.683874 5
e...