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搭建高可用mongodb集群（三）—— 深入副本集内部机制 - 大数据 & AI - 清...
...数也是可以运行的，参考这个文章http://www.itpub.net/thread-1740982-1-1.html。后来突然看了一篇stackoverflow的文章终于顿悟了，mongodb本身设计的就是一个可以跨IDC的分布式数据库，所以我们应该把它放到大的环境来看。
假设四个节点被...
Graphviz: How to go from .dot to a graph?
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470
type: dot -Tps filename.dot -o outfile.ps
If you want to use the dot renderer. There are alte...
Why is semicolon allowed in this python snippet?
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14
It seems useful for exec statements e.g. exec('for a in [1,2,3]:print a;print a+1')
– Phil C
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What is the difference between a mutable and immutable string in C#?
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edited May 22 '18 at 7:34
answered Nov 25 '10 at 6:18
Ste...
Difference between `constexpr` and `const`
...mpiler will only accept it if the function meets certain criteria (7.1.5/3,4), most importantly (†):
The function body must be non-virtual and extremely simple: Apart from typedefs and static asserts, only a single return statement is allowed. In the case of a constructor, only an initialization ...
How do I use a custom deleter with a std::unique_ptr member?
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answered Sep 27 '13 at 15:24
Cassio NeriCassio Neri
16.6k55 gold badges4141 silver badges6464 bronze badges
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What is your most productive shortcut with Vim?
...yntax highlighting and the ability to handle files larger than a piddling ~45KB or so; but work with me here).
vi has 26 "marks" and 26 "registers." A mark is set to any cursor location using the m command. Each mark is designated by a single lower case letter. Thus ma sets the 'a' mark to the cu...
Print a file's last modified date in Bash
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148
You can use the
stat
command
stat -c %y "$entry"
More info
%y time of last modification,...
Easily measure elapsed time
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edited Jul 19 '19 at 8:49
majkel.mk
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answered Jan 2 '15 at 9:27
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delete word after or around cursor in VIM
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WhaledawgWhaledawg
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