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TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...utek数据
带索引插入性能对比。
http://www.tokutek.com/2013/06/iibench-benchmark-tokumx-vs-mongodb/
以上为Tokutek的测试数据，下面为我测试的数据：
笔者实际测试
生产数据2亿多条导入测试
先建集合，创建3个索引，包括_id共4个索引...
What is Autoloading; How do you use spl_autoload, __autoload and spl_autoload_register?
...7
Don
4,1052424 silver badges3333 bronze badges
answered Nov 2 '11 at 20:45
BrownbayBrownbay
...
Coroutine vs Continuation vs Generator
...Do some more funky stuff
my_coro = make_coroutine(my_coroutine_body)
x = 0
while True:
# The coroutine does some funky stuff to x, and returns a new value.
x = my_coro(x)
print x
An example of where coroutines are used is lexers and parsers. Without coroutines in the language or emulate...
Regex for splitting a string using space when not surrounded by single or double quotes
...
+200
I don't understand why all the others are proposing such complex regular expressions or such long code. Essentially, you want to gra...
getenv() vs. $_ENV in PHP
...
answered Jan 10 '12 at 3:49
BatkinsBatkins
5,1302525 silver badges2626 bronze badges
...
How do you tell if a string contains another string in POSIX sh?
...zed version with some examples:
# contains(string, substring)
#
# Returns 0 if the specified string contains the specified substring,
# otherwise returns 1.
contains() {
string="$1"
substring="$2"
if test "${string#*$substring}" != "$string"
then
return 0 # $substring is ...
What is the in a .vimrc file?
...
1025
The <Leader> key is mapped to \ by default. So if you have a map of <Leader>t, yo...
nodeValue vs innerHTML and textContent. How to choose?
... |
edited Feb 6 '19 at 10:17
mplungjan
118k2323 gold badges142142 silver badges201201 bronze badges
an...
Convert SVG image to PNG with PHP
...g like*/
$idColorArray = array(
"AL" => "339966"
,"AK" => "0099FF"
...
,"WI" => "FF4B00"
,"WY" => "A3609B"
);
foreach($idColorArray as $state => $color){
//Where $color is a RRGGBB hex value
$svg = preg_replace(
'/id="'.$state.'" style="fill:#([0-9a...
Requirejs why and when to use shim config
...
110
A primary use of shim is with libraries that don't support AMD, but you need to manage their dep...