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基本用法ORM 以 QuerySeter 来组织查询，每个返回 QuerySeter 的方法都会获得一个新的 QuerySeter 对象。
基本使用方法：
12345678o := orm.NewOrm()// 获取 QuerySeter 对象，user 为表名qs := o.QueryTable("user")// 也可以直接使用对象作为表名user := new(User)qs = o.QueryTable(user) // 返回 QuerySeter
exprQuerySeter 中用于描述字段和 sql 操作符，使用简单的 expr 查询方法
字段组合的前后顺序依照表的关系，比如 User 表拥有 Profile 的外键，那么对 User 表查询对应的 Profile.Age 为条件，则使用 Profile__Age 注意，字段的分隔符号使用双下划线 __，除了描述字段，expr
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容器属性display 属性display: grid指定一个容器采用网格布局。
123div { display: grid;}
默认情况下，容器元素都是块级元素，但也可以设成行内元素。
123div { display: inline-grid;}
注意，设为网格布局以后，容器的float、display: inline-block、display: table-cell、vertical-align和column-*等设置都将失效。
grid-template-columns,grid-template-rows 属性容器指定了网格布局以后，接着就要划分行和列。
grid-template-columns属性定义每一列的列宽。
grid-template-rows属性定义每一行的行高。
12345.container { dis
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Hello World12# 安装$ go get github.com/gin-gonic/gin
123456789101112131415161718192021222324package mainimport ( "github.com/gin-gonic/gin" "net/http")func main() { // 初始化引擎 engine := gin.Default() // 注册一个路由和处理函数 engine.Any("/", WebRoot) // 绑定端口，然后启动应用 engine.Run(":9205")}/*** 根请求处理函数* 所有本次请求相关的方法都在 context 中，完美* 输出响应 hello, world*/func WebRoot(context *gin.Context) { context.String(h
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开始第一行1#! /bin/bash
它代表的意思是，该文件使用的是bash语法。
默认我们用vim编辑的文档是不带有执行权限的，所以需要加一个执行权限chmod1chmod +x test.sh
使用sh命令去执行一个shell脚本的时候是可以加-x选项来查看这个脚本执行过程:sh -x test.sh
shell 脚本中的变量123456d=`date "+%Y-%m-%d %H:%M:%S"`echo "this script begin at $d"echo "we will sleep 2 seconds."sleep 2d1=`date "+%Y-%m-%d %H:%M:%S"`echo "the script end at $d1"
上述脚本中d 和d1作为变量出现，格式为：变量名=变量的值。使用变量时需要加上 “$” 符号。
执行结果：
123this script beg
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本文的目的是提供JavaScript工具是如何一步步发展到今天(2017年)的一个历史背景。我们将从零开始，构建一个不借助任何工具，只需要简单的HTML和JavaScript的示例网站。接着我们将依次引入不同的工具，并解释它解决了什么样的问题。有了这种历史背景，你将能更好地学习和适应未来不断变化的JavaScript格局。让我们开始吧！
JavaScript的”老派”使用方式让我们从一个只使用HTML和JavaScript的“老派(old-school)”网站开始，它需要我们手动地下载和链接文件。这里是一个简单的’index.html 文件，并链接了一个 JavaScript 文件：
123456789101112<!-- index.html --><!DOCTYPE html><html lang="en"><head> <me
...