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mongo

基础

  • 文档是mongo中的基本单元
  • 集合可以看作是没有模式的表
  • 单实例可以创建多个具有单独权限的数据库
  • 自带索引键"_id"

常用操作CURD

@findyourmagic
findyourmagic / reg.md
Last active August 29, 2015 14:05
常用登录正则

decmal: "^([+-]?)\d*.\d+$", //浮点数

decmal1: "^[1-9]\d*.\d*|0.\d*[1-9]\d*$", //正浮点数

decmal2: "^-([1-9]\d*.\d*|0.\d*[1-9]\d*)$", //负浮点数

decmal3: "^-?([1-9]\d*.\d*|0.\d*[1-9]\d*|0?.0+|0)$", //浮点数

decmal4: "^[1-9]\d*.\d*|0.\d*[1-9]\d*|0?.0+|0$", //非负浮点数(正浮点数 + 0)

@findyourmagic
findyourmagic / deep-copy.js
Last active August 29, 2015 14:04
javascript fragment
var arr = [1,2,3,[1,2,3]];
var objToString = Object.prototype.toString;
function getType( obj ){
var str = objToString.call(obj);
str = str.split(' ')[1];
str = str.slice(0,str.length - 1);
return str.toLowerCase();
}
@findyourmagic
findyourmagic / clearfix.css
Last active August 29, 2015 14:04
css fragement
.clearfix:after {
visibility: hidden;
display: block;
font-size: 0;
content: " ";
clear: both;
height: 0;
}
.clearfix{
*zoom:1;
@findyourmagic
findyourmagic / carousel.jquery.js
Last active August 29, 2015 14:03
JQuery Gist
@findyourmagic
findyourmagic / IE条件判断
Last active August 29, 2015 14:01 — forked from yisibl/HTML-tags.md
html-tags
<!--[if lt IE 7 ]> <html lang="zh-cmn-Hans" class="ie6 ielt8"> <![endif]-->
<!--[if IE 7 ]> <html lang="zh-cmn-Hans" class="ie7 ielt8"> <![endif]-->
<!--[if IE 8 ]> <html lang="zh-cmn-Hans" class="ie8"> <![endif]-->
<!--[if (gte IE 9)|!(IE)]><!--> <html lang="zh-cmn-Hans"> <!--<![endif]-->