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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:[
...
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...
当ORACLE 11G 遇到 JUNIPER 防火墙 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术
...110.102的1521端口
配置
Tnsnames.ora 文件
使用PL/SQL 连接本机的IP地址 登陆查询一切正常。
由此判断 问题不是出在跨网段等问题，当使用端口映射的时候，本机就相当于一台防火墙了。 自此认为问题还是处在防火墙上...
Advantage of switch over if-else statement
...l probably outperform a compiler-generated jump table implementing switch, esp. in the not-special case where this will be a single not-taken branch.
– Peter Cordes
Sep 1 '15 at 22:45
...
Is there any connection string parser in C#?
...in these cases) change the Where to
.Where(kvp => !string.IsNullOrWhitespace(kvp))
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iterating over each character of a String in ruby 1.8.6 (each_char)
...
Extending la_f0ka's comment, esp. if you also need the index position in your code, you should be able to do
s = 'ABCDEFG'
for pos in 0...s.length
puts s[pos].chr
end
The .chr is important as Ruby < 1.9 returns the code of the character at that...
Why is my process's Exited method not being called?
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One small tip (esp for non C# experts): don't Close() the process! I've encountered intermittent issue with the Exit handler due to a misguided effort at resource management. The code in question called Process.Close() after Process.Start(s...
How do you get assembler output from C/C++ source in gcc?
...ible with MASM either. I do highly recommend it as a nice format to read, especially if you like to write in NASM syntax though. objdump -drwC -Mintel | less or gcc foo.c -O1 -fverbose-asm -masm=intel -S -o- | less are useful. (See also How to remove “noise” from GCC/clang assembly output?). ...
iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...5.0系统），并点VMware右下角的，USB图标，确定和主机断开连接（就是和Win7断开，和虚拟机连接），之后，运行一次XCode，因为是第一次插入此设备，XCode会启动Orgnizer，来识别你的iPhone，又因为是越狱机器，会提示该系统无法识...
ModelState.IsValid == false, why?
...lues. Probably worth updating the original answer.
– esp
Jul 12 '18 at 10:29
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