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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
...前几篇文章。
任意登陆一个机器，比如登陆192.168.0.136，连接mongodb
#设置第一个分片副本集
/data/mongodbtest/mongodb-linux-x86_64-2.4.8/bin/mongo 127.0.0.1:22001
#使用admin数据库
use admin
#定义副本集配置
config = { _id:"shard1", members:[
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Java 理论与实践: 线程池与工作队列 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...外，服务请求时所做的工作可能需要其它资源，例如 JDBC 连接、套接字或文件。这些也都是有限资源，有太多的并发请求也可能引起失效，例如不能分配 JDBC 连接。
并发错误
线程池和其它排队机制依靠使用 wait() 和 notify() 方...
How can I expand the full path of the current file to pass to a command in Vim?
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Current time formatting with Javascript
... i format date = "2016/03/01 11:00" to date ="Sat Mar 01 2016 11:00:00 GMT+0530 (IST)"
– Vishal Singh
Feb 25 '16 at 7:27
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Saving utf-8 texts in json.dumps as UTF8, not as \u escape sequence
... d
{1: '\xd7\x91\xd7\xa8\xd7\x99 \xd7\xa6\xd7\xa7\xd7\x9c\xd7\x94', 2: u'\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4'}
>>> s=json.dumps(d, ensure_ascii=False, encoding='utf8')
>>> s
u'{"1": "\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\u05d4", "2": "\u05d1\u05e8\u05d9 \u05e6\u05e7\u05dc\...
Display image as grayscale using matplotlib
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edited Apr 15 '19 at 6:05
Taegyung
1,79522 gold badges1212 silver badges2828 bronze badges
answered A...
pandas resample documentation
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edited May 31 '19 at 10:05
answered Jun 8 '13 at 16:20
Ma...
How to loop through all but the last item of a list?
I would like to loop through a list checking each item against the one following it.
6 Answers
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Importing data from a JSON file into R
...libcurl
– d8aninja
Aug 30 '17 at 19:05
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Case insensitive XPath contains() possible?
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edited May 1 '14 at 0:05
answered Apr 30 '14 at 13:07
k...