Define:Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
文章目錄 一、迭代器模式:Iterator Pattern二、UML圖三、迭代器模式執行個體代碼四、一個使用迭代器模式的例子 可以查看英文原文:http://www.dofactory.com/Patterns/PatternIterator.aspx一、迭代器模式:Iterator PatternDefine:Provide a way to access the elements of an aggregate object
文章目錄 一、Mediator Pattern (調解者模式)的定義二、UML類圖三、調解者模式執行個體代碼四、另外一個使用調解者模式的執行個體代碼 英文原文:http://www.dofactory.com/Patterns/PatternMediator.aspx一、Mediator Pattern (調解者模式)的定義Define an object that encapsulates how a set of objects
Define:Represent an operation to be performed on the elements of an object structure. Visitor lets you define a new operation without changing the classes of the elements on which it operates.
Define:Define the skeleton of an algorithm in an operation, deferring some steps to subclasses. Template Method lets subclasses redefine certain steps of an algorithm without changing the algorithm's structure.一、 模板方法(Template
Define:Define a family of algorithms, encapsulate each one, and make them interchangeable. Strategy lets the algorithm vary independently from clients that use it.
壓縮日誌及資料庫檔案大小/*--特別注意請按步驟進行,未進行前面的步驟,請不要做後面的步驟否則可能損壞你的資料庫.一般不建議做第4,6兩步第4步不安全,有可能損壞資料庫或遺失資料第6步如果日誌達到上限,則以後的資料庫處理會失敗,在清理日誌後才能恢複.--*/1.清空日誌DUMP TRANSACTION 庫名 WITH NO_LOG 2.截斷交易記錄:BACKUP LOG 資料庫名 WITH
文章目錄 一、State Pattern (狀態模式)二、UML類圖三、State Pattern (狀態模式)執行個體性代碼四、使用State Pattern (狀態模式)的執行個體代碼 英文原文:http://www.dofactory.com/Patterns/PatternState.aspx一、State Pattern (狀態模式)Define: Allow an object to alter its behavior
文章目錄 一、總體概念二、分類 一、總體概念 Behavioral Patterns Chain of Resp. A way of passing a request between a chain of objects Command Encapsulate a command request as an object Interpreter A way to include language elements in a
——————————————————————————————————————————————————————————————————————————說明:聽聞老弟目前在用Visual Stdio C++ 6.0編程,心裡些許一點安慰,我對於學生知道用程式實現自己工程應用中的一些演算法是贊同的,但是很多工科的學生的編程思維還沒有達到電腦相關的水平,在此給各位學弟提個醒,也希望本篇文章可以協助老弟愛上自己的專業,並愛上用電腦協助自己學好專業。—————————————————————————————