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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...一半，如果已经小于一半了所有节点保持只读状态。
3 搭建副本集集群
每个虚拟机都使用如下的配置文件启动实例:
dbpath =/home/lihuilin/mongodata
smallfiles =true
replSet =mvbox
然后在任意一台虚拟机登陆mongo,输入如下...
Setting PATH environment variable in OSX permanently
...s) too.
– Amudhan
Dec 14 '15 at 10:03
This worked in EL Capitan. Close all the terminals and open a new terminal to ch...
Count number of objects in list [closed]
...0
zx8754
38.7k1010 gold badges8787 silver badges146146 bronze badges
answered Nov 16 '09 at 7:08
JoeyJoey
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How to split long commands over multiple lines in PowerShell
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342
Trailing backtick character, i.e.,
&"C:\Program Files\IIS\Microsoft Web Deploy\msdeploy.e...
C++常用排序算法汇总 - C/C++ - 清泛网 - 专注C/C++及内核技术
...f("%d ",arr[i]);
printf("\n");
free(arr);
arr = 0;
return 0;
}
3、快速排序(QuickSort)
/************************************
* 快速排序
* 不稳定排序，O{nlogn} ~ O{n^2}
* 适合排序大量数据
* 设最左边为基准数
* 右边往左找一个比基准数小...
Efficiency of purely functional programming
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536
According to Pippenger [1996], when comparing a Lisp system that is purely functional (and has ...
Parallel foreach with asynchronous lambda
...
answered Feb 28 '13 at 13:30
Stephen ClearyStephen Cleary
349k6363 gold badges575575 silver badges699699 bronze badges
...
How to concatenate two MP4 files using FFmpeg?
...lex "[0:v] [0:a] [1:v] [1:a] [2:v] [2:a]
concat=n=3:v=1:a=1 [v] [a]" \
-map "[v]" -map "[a]" output.mkv
Note that this method performs a re-encode.
2. concat demuxer
Use this method when you want to avoid a re-encode and your format does not support file level con...
What is “:-!!” in C code?
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edited May 23 '17 at 11:55
Community♦
111 silver badge
answered Feb 10 '12 at 15:04
...
Can you write virtual functions / methods in Java?
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309
From wikipedia
In Java, all non-static methods are by
default "virtual functions." Only
...