-- 查看有哪些用户 host: % 代表任意地址都可以登录 host: localhost 代表仅本地可以连接select host,user from mysql.user; -- 建库 create database test charset utf8;-- 刷新flush privileges-- 赋权grant all on *.* to 'admin'@'%'; 将数据库的权限赋给admin用户 -- 刷新 -- 查看建库过程 show create database test; -…

Part I:equals() (javadoc) must define an equivalence relation (it must be reflexive, symmetric, and transitive). In addition, it must be consistent (if the objects are not modified, then it must keep returning the same value). Furthermore, o.equals(n…

heyheyhey ~~ It has been a long time since i come here again...whatever today i will summerize some methods of sort with java what are so important for coder. The codes below are all compiled successfully and have the right results 一. insert sort --…

作者:X Wang 出处:http://www.programcreek.com/2013/09/top-10-methods-for-java-arrays/ 转载文章,转载请注明作者和出处 The following are top 10 methods for Java Array. They are the most voted questions from stackoverflow. 0. Declare an array String[] aArray = new String[5…

1.问题:    在dealloc方法中使用[self.xxx release]和[xxx release]的区别? 用Xcode的Analyze分析我的Project,会列出一堆如下的提示:Incorrect decrement of the reference count of an object that is not owned at this point by the caller 仔细看了下代码,都是在dealloc方法中使用了[self.xxx release]这样的语句引起的,把…

In C#, extension methods enable you to add methods to existing class without creating a new derived class. Extension methods 要求: Define a static class to contain extension method. This class must be visible to client code. Implement the extension met…

   Kinds of methods        Constructors      Type constructors      Overload operators      Type conversions (for implicit and explicit casting)      Extension methods      Partial methods.              1. Instance Constructors and Classes (Reference…

http://www.powerobjects.com/2015/09/23/dynamics-crm-alert-and-notification-javascript-methods/ Before CRM 2013, if you wanted to alert a user on a form within the browser, the only method available was the standard JavaScript alert. This method would…

AX7: HOW TO USE CLASS EXTENSION METHODS   To create new methods on a standard AX class without customize, follow the steps below: Create a new “public static class” following the name pattern “YourClassName” + “_Extension”. 1 2 3 4 5 6 7 8 9 public s…

Consider a type that will print out a message when it’s finalized, and that has a Dispose method which will suppress finalization: class DisplayOnFinalize : IDisposable {     public void Dispose() { GC.SuppressFinalize(this); }     ~DisplayOnFinalize…