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How to calculate moving average using NumPy?
...± std. dev. of 7 runs, 100 loops each)
Numpy array rolling :
31.3 ms ± 91.9 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
Numpy array rolling, edge handling :
61.1 ms ± 55.9 µs per loop (mean ± std. dev. of 7 runs, 10 loops each)
Timing, Large window (n=1001)
Direct "for" loo...
Is git's semi-secret empty tree object reliable, and why is there not a symbolic name for it?
...ommit 45e2ef2, commit 79b0edc, commit 840624f, commit 32a6707, commit 440bf91, commit 0b408ca, commit 2eabd38 (28 Oct 2019), and commit 1bcef51, commit ecde49b (05 Oct 2019) by brian m. carlson (bk2204).
(Merged by Junio C Hamano -- gitster -- in commit 28014c1, 10 Nov 2019)
t/oid-info: add em...
What belongs in an educational tool to demonstrate the unwarranted assumptions people make in C/C++?
...
91
The order of evaluation of subexpressions, including
the arguments of a function call and
ope...
内存管理内幕：动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术
...的版本非常类似的基本结构，但是它加入了索引，这使得搜索速度更快，并且可以将多个没有被使用的块组合为一个大的块。它还支持缓存，以便更快地再次使用最近释放的内存。 ptmalloc 是 Doug Lea Malloc 的一个扩展版本，支持多...
How to convert number to words in java
....convert(90));
System.out.println("*** " + FrenchNumberToWords.convert(91));
System.out.println("*** " + FrenchNumberToWords.convert(97));
System.out.println("*** " + FrenchNumberToWords.convert(100));
System.out.println("*** " + FrenchNumberToWords.convert(101));
System.out.prin...
What is a “cache-friendly” code?
...
91
Optimizing cache usage largely comes down to two factors.
Locality of Reference
The first facto...
Linux下部署企业级邮件服务器(postfix + dovecot + extmail) - 开源 & Gith...
...件包Time::HiRes、File::Tail和rrdtool
首先在http://search.cpan.org
搜索:Time::HiRes和File::Tail：并下载
http://oss.oetiker.ch/rrdtool/pub/?M=D 下载rrdtool-1.2.23.tar.gz
1、安装Time::HiRes
tar zxvf Time-HiRes-1.9707.tar.gz
cd Time-HiRes-1.9707
perl Makefile.PL
make
ma...
Controlling fps with requestAnimationFrame?
...
Hydroper
2,91833 gold badges1818 silver badges4848 bronze badges
answered Nov 4 '13 at 16:25
markEmarkE
...
Is MATLAB OOP slow or am I doing something wrong?
...operty: 0.12992 1.30
classdef property with getter: 1.39912 13.99
+pkg.nop() function: 0.87345 8.73
+pkg.nop() from inside +pkg: 0.80501 8.05
Java obj.nop(): 1.86378 18.64
Java nop(obj): 0.22645 2.26
Java feval(...
Fastest way to determine if an integer's square root is an integer
... long int int64;
int start[1024] =
{1,3,1769,5,1937,1741,7,1451,479,157,9,91,945,659,1817,11,
1983,707,1321,1211,1071,13,1479,405,415,1501,1609,741,15,339,1703,203,
129,1411,873,1669,17,1715,1145,1835,351,1251,887,1573,975,19,1127,395,
1855,1981,425,453,1105,653,327,21,287,93,713,1691,1935,301,551,...