这是2013年写的一篇旧文,放在gegahost.net上面 http://raison.gegahost.net/?p=21 February 16, 2013 How `delete’ works ? Filed under: c++ — Tags: c++ delete, c++ destructor, c++ internals, c++ virtual — Raison @ 2:09 am (original works by Peixu Zhu) 1.  case of class…

Android8.0 计算器Calculator输入暗码!77!+,启动工厂测试apk 路径: packages/apps/ExactCalculator/src/com/android/calculator2/Calculator.java /* * Copyright (C) 2016 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License");…

理想的RESTful Web API采用面向资源的架构,并使用请求的HTTP方法表示针对目标资源的操作类型.但是理想和现实是有距离的,虽然HTTP协议提供了一系列原生的HTTP方法,但是在具体的网络环境中,很多是不支持的.比如有的浏览器只能发送GET和POST请求,客户端发送的PUT请求也不一定能够被服务器理解.除了客户端和服务器对请求采用的HTTP方法的制约外,像代理(Proxy).网关(Gateway)等这些中间部件都具有针对HTTP方法的限制.[本文已经同步到<How ASP.NET We…

前几天,发现从库挂了,具体报错信息如下: 分析思路 1. 因为我采用的是选择性复制,只针对以下几个库进行复制: card,upay,deal,monitor,collect.所以,不太可能出现对于sas_basic的操作能复制到该从库上. 2. 整个架构是1主2从,且都是选择性复制,上面这个从库是直接复制card,upay,deal,monitor,collect这几个数据库的数据,而另外一个从库则是忽略上述库,如下所示: 怀疑是在上述schema下,执行了DROP TABLE IF EXIST…

LanguageManual DML Hive Data Manipulation Language Hive Data Manipulation Language Loading files into tables Syntax Synopsis Notes Inserting data into Hive Tables from queries Syntax Synopsis Notes Dynamic Partition Inserts Example Additional Documen…

In this tutorial, I would like to help out Magento developers and clients with how to programmatically add/delete custom options in Magento. At the end of this post you’d be able to add/delete custom option on your Magento website with absolute ease.…

4.Delete By Query API _delete_by_query API可以删除某个匹配条件的文档: POST twitter/_delete_by_query { "query": { "match": { "message": "some message" } } } query字段的语法规则和 Search API一样.你也可以传递和search API一样的q参数 返回结果: { "took&qu…

How Autofs Works Autofs is a client-side service that automatically mounts the appropriate file system. When a client attempts to access a file system that is not presently mounted, the autofs file system intercepts the request and calls automountd t…

https://github.com/mybatis/mybatis-dynamic-sql MyBatis Dynamic SQL     What Is This? This library is a framework for generating dynamic SQL statements. Think of it as a typesafe SQL templating library, with additional support for MyBatis3 and Spring…

5down votefavorite 2 I don't know how I modified a iOS SDK file, but Xcode say I did. Here is what they reported. fatal error: file '/Applications/Xcode 2.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.0.sdk…