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Why would one use the Publish/Subscribe pattern (in JS/jQuery)?
... are familiar with the MVC pattern or with MVVM in Microsoft technologies (WPF/Silverlight) you can think of the publish/subscribe like the Observer pattern. This approach is used in frameworks like Backbone.js, Knockout.js (MVVM).
Here is an example:
//Model
function Book(name, isbn) {
this.n...
Why shouldn't all functions be async by default?
...mance aside - async can have a productivity cost. On the client (WinForms, WPF, Windows Phone) it is a boon for productivity. But on the server, or in other non-UI scenarios, you pay productivity. You certainly don't want to go async by default there. Use it when you need the scalability advantages....
一个宏命令,就可以程序崩溃时生成dump文件 - C/C++ - 清泛网 - 专注C/C++及内核技术
...成dump文件一个宏命令,就可以程序崩溃时生成dump文件。在主程序初始化时加入DeclareDumpFile();在主程序初始化时加入 DeclareDumpFile();
创建头文件DumpFile.h, 将下列代码放进文件中:
#pragma once
#include <windows.h>
#include < Dbghelp.h>
#inc...
Squid做透明代理,3.0以上不支持--enable-auth=\"basic,nltm\"配置项了吗?...
...asic,ntlm" --enable-external-acl-helpers="wbinfo_group" --enable-arp-acl
在2.7可以configure 完成,在3.0以上有问题,报“configure: error: unrecognized argument to --enable-auth: basic,ntlm,编译选项应该怎么写?
已解决:3.0以上版本写法变化,去掉后面“--...
hdwiki后台设置默认风格无效 - 更多技术 - 清泛网 - 专注C/C++及内核技术
hdwiki后台设置默认风格无效在网站前台首页点清除Cookies即可生效。在网站前台首页点“清除Cookies”即可生效。hdwiki 设置 无效
Discuz 找回密码时提示参数错误 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...rce module member member_getpasswd.php第32行找到$uid = $_GET['uid'];在下方添加一行$sign = $_GET['sign'];tem...source\module\member\member_getpasswd.php
第32行找到
$uid = $_GET['uid'];
在下方添加一行
$sign = $_GET['sign'];
template\default\member\getpasswd.htm
找...
Flash AS 3.0 第一个HelloWorld程序 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...建议使用CS4及以上。软件启动画面:新建一个Flash文件:在场景中添加一个Label(窗口->组件,调出组件对话框)...笔者用的是Flash CS4软件,建议使用CS4及以上。
软件启动画面:
新建一个Flash文件:
在场景中添加一个L...
required file `./ltmain.sh\' not found - 更多技术 - 清泛网 - 专注C/C++及内核技术
required file `./ltmain.sh' not found在linux下编译c c++程序出错:$ automake --add-missing....configure.in:18: required file `build ltmain.sh' not found......在linux下编译c/c++程序出错:
$ automake --add-missing
....
configure.in:18: required file `build/ltmain.sh' not fo...
SVN 报错:Unable to create pristine install stream - 更多技术 - 清泛网 - 专注C/C++及内核技术
...svnfolder.Creating thetmpfolder manually resolved the issue.解决方法:在.svn文件夾下手动新建文件夾tmp即可。Looking at my hard disk, I saw that there's no tmp folder inside my .svn folder.
Creating the tmp folder manually resolved the issue.
解决方法:在.svn文件夾下...
为啥React组件export导出不生效? - 更多技术 - 清泛网 - 专注C/C++及内核技术
...大括号;导入使用其他类时,需要大括号。
举个例子,在 hello.js 文件中:
import React from 'react';
class Hello extends React.Component{
render(){
return (
<h1>Hello, world!</h1>
)
}
}
class Other extends React.Component{
...