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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
...理部署图：
架构搭好了，安装软件！
1、准备机器，IP分别设置为： 192.168.0.136、192.168.0.137、192.168.0.138。
2、分别在每台机器上建立mongodb分片对应测试文件夹。
#存放mongodb数据文件
mkdir -p /data/mongodbtest
#进入mongodb文件...
How to send password securely over HTTP?
... @BornToCode This technically means you need to have a dedicated IP and you need to own the server hardware (or at least a VPS) to use HTTPS. Shared webhosts cannot do HTTPS, unless the entire server is protected with the host owner's certificate.
– Calmarius
...
A variable modified inside a while loop is not remembered
... also describes the general case of variables set in subshells created by pipes:
E4) If I pipe the output of a command into read variable, why
doesn't the output show up in $variable when the read command finishes?
This has to do with the parent-child relationship between Unix
processes...
Get the full URL in PHP
...ER );
echo $absolute_url;
This is a heavily modified version of http://snipplr.com/view.php?codeview&id=2734.
URL structure:
scheme://username:password@domain:port/path?query_string#fragment_id
The parts in bold will not be included by the function
Notes:
This function does not include u...
How do browser cookie domains work?
...ookie is the domain of the originating request.
If the origin domain is an IP, the cookie's domain attribute must not be set.
If a cookie's domain attribute is not set, the cookie is only applicable to its origin domain.
If a cookie's domain attribute is set,
the cookie is applicable to that domai...
How to save username and password with Mercurial?
...= password
You can configure as many repos as you want by adding more triplets of prefix,username, password by prepending a unique tag.
This only works in Mercurial 1.3 and obviously your username and password are in plain text - not good.
2. The secure way - Use SSH to AVOID using passwords
...
log4net vs. Nlog
...
It is broken: * Messes up ip address resolution between IPv4/IPv6 for localhost on Vista and Win7 (several unofficial patches are floating around) * Doesn't compile in .Net 4.0 Client Profile
– Tormod Hystad
Jan ...
Web-scraping JavaScript page with Python
...fact, I achieve this goal, but I have seen that in some pages where JavaScript is loaded I didn't obtain good results.
13 A...
how to get the cookies from a php curl into a variable
...URLOPT_HEADERFUNCTION, 'callback_SaveHeaders');
– Shiplu Mokaddim
Jan 14 '12 at 7:02
2
Depending...
What's the Hi/Lo algorithm?
...de from anything else, it means you can easily make parent/child relationships and have the keys all in place before you do any inserts, which makes batching them simpler.
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