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搭建高可用mongodb集群（四）—— 分片 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...高可用的mongodb集群：
首先确定各个组件的数量，mongos 3个， config server 3个，数据分3片 shard server 3个，每个shard 有一个副本一个仲裁也就是 3 * 2 = 6 个，总共需要部署15个实例。这些实例可以部署在独立机器也可以部署在一台机...
Visual Studio move project to a different folder
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answered Apr 12 '10 at 13:52
Hans PassantHans Passant
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How Pony (ORM) does its tricks?
..._code)
1 0 LOAD_FAST 0 (.0)
>> 3 FOR_ITER 26 (to 32)
6 STORE_FAST 1 (c)
9 LOAD_FAST 1 (c)
12 LOAD_ATTR 0 (country)
15 LOAD_CONST ...
std::function and std::bind: what are they, and when should they be used?
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203
std::bind is for partial function application.
That is, suppose you have a function object f wh...
How to create directories recursively in ruby?
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edited May 3 '17 at 19:45
answered Sep 10 '10 at 15:49
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What is the preferred syntax for initializing a dict: curly brace literals {} or the dict() function
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243
Curly braces. Passing keyword arguments into dict(), though it works beautifully in a lot of sce...
How do I specify a single test in a file with nosetests?
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answered Aug 20 '13 at 10:19
michaeljosephmichaeljoseph
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swift case falling through
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370
Yes. You can do so as follows:
var testVal = "hello"
var result = 0
switch testVal {
case "o...