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MongoDB副本集详解 优于以往的主从模式 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
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MongoDB官方没有增量备份方案，只有一个导出的工具mongodump。
他不能像数据库一样，通过binlog或者归档日志将数据推到事故发生的前一刻。
假设每天凌晨2点使用mongodump备份，而下午5点发生事故，数据库损毁，则凌晨...
How does origin/HEAD get set?
...o, which could be owned by another developer, or siting on a sever in your office, or github, or another directory on the filesystem, or etc...
Your computer (local repo) has no business changing the HEAD pointer on the remote git repo. It could be owned by a different developer for example.
One ...
SAML: Why is the certificate within the Signature?
...cause there might be a delay on that final check (while I go ask about the office whether anybody knows Dave)
– Keith
Feb 12 '15 at 10:13
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What's the difference between NOT EXISTS vs. NOT IN vs. LEFT JOIN WHERE IS NULL?
... Thanks for the links! And thanks for the quick overview... My office is blocking the link for some reason :P but I'll check it out as soon as I get to a regular computer.
– froadie
Feb 11 '10 at 18:47
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classical inheritance vs prototypal inheritance in javascript
... = 60 * minutes
, days = 24 * hours
, years = 365.2425 * days;
this.constructor = function (name, sex, dob) {
this.name = name;
this.sex = sex;
this.dob = dob;
};
this.age = function () {
return Math.floor((new Date - this.do...
数据存储组件 · App Inventor 2 中文网
...文文本存储，中文文本获取出来是乱码。
目前国内也有免费的网络微数据库，支持中文存储和读取，功能上也进行了一定的拓展，详细可以去各自的网站上查看中文文档。2个网站体验差不多，网站如下：
https://tinywebdb.cn/ 经...
Browser statistics on JavaScript disabled [closed]
... is one of the most popular Firefox add-ons.), country (The German Federal Office for Information Security strongly recommends¹ all citizens to install NoScript.) and also available competition on the market (if your site is unique and I really want to use it, I’ll allow scripts; otherwise, I go ...
Automapper - how to map to constructor parameters instead of property setters
...erson>(model);
You can read more about automapper construction in the offical wiki on GitHub
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How can I install pip on Windows?
...atters worse, Pip was—until recently—ironically difficult to install.
Official instructions
Per https://pip.pypa.io/en/stable/installing/#do-i-need-to-install-pip:
Download get-pip.py, being careful to save it as a .py file rather than .txt. Then, run it from the command prompt:
python get-p...
Differences between Octave and MATLAB? [closed]
...nd not so much of Octave.
If you get a new job, and everyone in your new office speaks Spanish, it's kind of cocky to demand of everyone that they start speaking English from then on, simply because you don't speak/like Spanish. Same with MATLAB and Octave.
NB -- if all downvoters could just lea...