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Redis开发与运维：数据迁移

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问题最近项目重构，提前想把一台上的redis实例转移到另一台redis实例上。源redis数据库：阿里云Redis、VPC网络、Server版本2.8.19 目标数据库：阿里云Redis、VPC网络、Server版本4.0.11 前提：当前我们使用Redis作为我们的数据库（永久+ 临时缓存）目标：把当前永久性数据导入到目标数据库，临时缓存数据不做处理方案有几种方案 1、设置主从复制，这个应该是比较稳妥的方案，但是支持主从必须3.0以上 -- 这个方案否掉了 2、那就使用键迁移命令，查了一下三种方式：move 、dump + restore 、migrate 自测 Windows服务器，下载了源数据库 redis2.8.19 分别启用了两个实例分别是 6999和7999 源数据 6999，目标数据 7999 move 这个命令是做实例内，db迁移的，对于当前实例间同步是不满足的。但也不妨尝试一下：db5中的键移到db6，移动嘛所以db5的键就没了，db6才能获取到 localhost:6999[5]> get QianBiTou:VC:Config "0x001,1,2,3" localhost:6999[5]> move QianBiTou:VC:Config 6 (integer) 1 localhost:6999[5]> get QianBiTou:VC

Respond.js not working locally - Support for media queries in IE8

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I am writing a html page using bootstrap3 template and including the respond.js in that, but when I run it on IE8, it gives me error "Access is denied" in console. I am using this to make IE8 support media queries. I have tried a lot of things as given on forums, but no luck. Does respond.js works locally or we need to run on a localhost/web server? Respond.js link - https://github.com/scottjehl/Respond HTML : <!DOCTYPE html> <html> <head> <title></title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link href="css/bootstrap.min.css" rel="stylesheet" media="screen">

Meteor - accessing the app using public ip

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问题 I can access the app using localhost:3000 but I am trying to test from mobile devices locally, without having to deploy it. But I couldn't access the site. I am allowing incoming request: sudo ufw status verbose Status: active Logging: on (low) Default: allow (incoming), allow (outgoing) New profiles: skip To Action From -- ------ ---- 3000/tcp ALLOW IN Anywhere 3000/tcp ALLOW IN Anywhere (v6) I found that my ip address is 128.84.125.239 and so I visit 128.84.125.239:3000 and nothing happens.

MYSQL导入导出.sql文件

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一.MYSQL的命令行模式的设置：桌面->我的电脑->属性->环境变量->新建-> PATH=“；path/mysql/bin;”其中path为MYSQL的安装路径。二.简单的介绍一下命令行进入MYSQL的方法： 1.C:/>mysql -h hostname -u username -p 按ENTER键，等待然后输入密码。这里hostname为服务器的名称，如localhost，username为MYSQL的用户名，如root。进入命令行后可以直接操作MYSQL了。 2.简单介绍一下MYSQL命令： mysql->CREATE DATABASE dbname;//创建数据库 mysql->CREATE TABLE tablename;//创建表 mysql->SHOW DATABASES;//显示数据库信息，有那些可用的数据库。 mysql->USE dbname;//选择数据库 mysql->SHOW TABLES;//显示表信息，有那些可用的表 mysql->DESCRIBE tablename;//显示创建的表的信息三.从数据库导出数据库文件： 1.将数据库mydb导出到e:/mysql/mydb.sql文件中：打开开始->运行->输入cmd 进入命令行模式 c:/>mysqldump -h localhost -u root -p mydb >e:/mysql

Xampp: web browser won't show the localhost page

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I have installed xampp on Windows7(64bit).I want to work with PHP, Apache and MySql. The server Apache and the MySql services are running properly on the Xampp control panel. But when I run the localhost on my web browser it just shows connecting. Nothing else. Compare to previous enviroment it runs well with IIS. Try doing a netstat -a on your cmd and see if there are any other services which are running on port 80.You can also use netstat -b to find the name of the service however this requires cmd to be run as administrator. The most likely culprit is that there are some other services

Sending a file via form to email with Laravel (Localhost)

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问题 Newbie to Laravel so be kind lol My config for mail.php is correct and emails are being received successfully for text inputs to gmail, but not sure exactly how to complete the task for files. I would appreciate some assistance or reference links. Thanks in advance!! Code in routes.php Route::get('/', function() { return View::make('form'); }); Route::post('/form', function() { $data = ['firstname' => Input::get('firstname'), 'username' => Input::get('username'), 'email' => Input::get('email'

Solr使用入门指南

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由于搜索引擎功能在门户社区中对提高用户体验有着重在门户社区中涉及大量需要搜索引擎的功能需求，目前在实现搜索引擎的方案上有集中方案可供选择： 1. 基于Lucene自己进行封装实现站内搜索。工作量及扩展性都较大，不采用。 2. 调用Google、Baidu的API实现站内搜索。同第三方搜索引擎绑定太死，无法满足后期业务扩展需要，暂时不采用。 3. 基于Compass+Lucene实现站内搜索。适合于对数据库驱动的应用数据进行索引，尤其是替代传统的like ‘%expression%’来实现对varchar或clob等字段的索引，对于实现站内搜索是一种值得采纳的方案。但在分布式处理、接口封装上尚需要自己进行一定程度的封装，暂时不采用。 4. 基于 Solr 实现站内搜索。封装及扩展性较好，提供了较为完备的解决方案，因此在门户社区中采用此方案，后期加入Compass方案。 1、 Solr简介 Solr是一个基于Lucene的Java搜索引擎服务器。Solr 提供了层面搜索、命中醒目显示并且支持多种输出格式（包括 XML/XSLT 和 JSON 格式）。它易于安装和配置，而且附带了一个基于 HTTP 的管理界面。Solr已经在众多大型的网站中使用，较为成熟和稳定。Solr 包装并扩展了 Lucene，所以Solr的基本上沿用了Lucene的相关术语。更重要的是，Solr 创建的索引与

Accessing localhost from iPhone (in same network)

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I want to test my iPhone web Application developed in localhost (XAMPP) in my iPhone. My system IP is 192.168.1.1 in the local network. When I visit http://192.168.1.1:80 in the browser, it says "The server 192.168.1.1:80 at DSL Router requires a username and password". I thought it must be my XAMPP username/password but it seems it is not and it shows a 404 error. Both my system and my iPhone are in the same network. So where am I doing it wrong? Easen Check to make sure your IP is correct for your host machine. Windows: Windows + R -> type " cmd " ipconfig *unix: ifconfig Usually 192.168.0.1

How do i map http://localhost:8080 to http://mysites in iis7?

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问题 Basically i want to be able to type in http://mysites and it show me my localsite rather than typing in http://localhost:8080/? I intend to do it a few times like http://localhost:8181 to http://mysites2 I thought you could do it via hosts file? This is all localy on my machine 回答1: As stated before, you can edit the hosts file (or update a local DNS server), so that the names point to the desired ip addresses. Some browsers have trouble with cookies when there's no DOT in the name, so you

How to point to localhost:8000 with the Dart http package in Flutter?

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I'm following the Flutter Networking/HTTP tutorial to do a GET request to a server running on my localhost:8000. Visiting my localhost via my browser works fine. My code looks like this: var url = 'http://localhost:8000'; Future<String> getUnits(String category) async { var response = await httpClient.get('$url/$category'); return response.body; } This works fine when I point to any real URL, such as https://example.com , but when I point to https://localhost:8000 or https://localhost (or any variations of these), I get an error starting with: E/flutter ( 4879): [ERROR:topaz/lib/tonic/logging

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