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原创 iphone 中对象之间通讯

在iphone中,对象通信使用的三种技术1.代理(delegate);2.通知(notification);3.目标-行为(target-action).

2010-09-02 22:12:00 618 2

原创 怎样旋转模拟器

将程序发布到Android的时候,常常需要来回切换宽窄屏查看显示效果,操作方法是:按住键盘左边的Ctrl+F11,我曾经尝试按键盘右边的Ctrl+F11但是没有效果,这个问题有点困惑。

2010-07-25 12:25:00 600

原创 初始化 init 必须去做的四件事

在写初始化方法的时候,下面这四个步骤是不能少的: 1.首先需要调用超类的初始化方法:[super init];2.必须更新自己的self变量:self = [super init];3.必须检查一下self对象是不是可用的:if(self);4.必须再结尾处返回自身对象:return self;给个完整例子:-init { self = [super init]; if(self != nil) { //需要处理的内容 } return self; }

2010-07-16 22:32:00 732

原创 windows xp 查看端口是否占用

在windows下调试php经常碰到apache启动端口被占用的问题,可能有flashget, 迅雷等占用端口,我们如何查看是哪些程序占用了端口呢?C:Usersinetdemon>netstat -nao|find "0.0.0.0:80"Local Address Foreign Address State PID TCPTCP 0.0.0.0:80 Pacers:0 LISTENING

2010-04-23 23:46:00 3671

转载 Struts2中iterator标签遍历map总结

1.MapAction.java Java代码  package com.zx.demo.action;    import java.util.ArrayList;  import java.util.HashMap;  import java.util.List;  import java.util.Map;    import com.open

2009-07-12 21:54:00 1160

转载 一个优雅的js日期时间控件

document.write("");document.write("");function writeIframe(){ var strIframe = "<!--"+ "*{font-size: 12px; font-family: 宋体}"+ "-->"+ "*{font-size: 12px; font-family: 宋体}

2009-06-28 20:15:00 4488 1

原创 jstl-sql使用

 Jstl 是个功能强大的标签库。其中,sql标签可以实现从数据库中拉出数据到界面的功能。下面详细介绍其使用方法。在eclipse(JEE)中创建Denymic Web Project。项目名称为"jstl-sql"。拷贝jstl.jar,standard.jar,mysql-connector-java-3.1.14-bin.jar三个jars到lib目录下;创建一个名为index.

2009-06-23 19:51:00 954

转载 [SQLServer]数据库行列互换

 面试的时候遇到的数据库SQL问题,没写过,然后研究了一下,现将结果记录下来,方便以后查询。 题目1:将表tbltest1的行列互换 表结构:student     kemu  fenshustudent1    语文    80 student1    数学    90 student1    英语    85 student2    语文    85 student2   

2009-06-15 22:45:00 3246

c#如何调用SSl(https)加密的java写的Web Services例子

c#如何调用SSl(https)加密的java写的Web Services例子

2013-04-11

信息系统项目管理师真题试题

信息系统项目管理师真题,信息系统项目管理师历年真题

2010-06-23

Gof设计模式(中文) 完整目录

设计模式经典; Gof设计模式(中文)版; 完整目录

2010-05-03

SlickEdit 2009 14.0.2.2 Cracker

SlickEdit 2009 14.0.2.2 Cracker.

2010-04-21

Learning UML 2.0

"Since its original introduction in 1997, the Unified Modeling Language has revolutionized software development. Every integrated software development environment in the world--open-source, standards-based, and proprietary--now supports UML and, more importantly, the model-driven approach to software development. This makes learning the newest UML standard, UML 2.0, critical for all software developers--and there isn't a better choice than this clear, step-by-step guide to learning the language." --Richard Mark Soley, Chairman and CEO, OMG If you're like most software developers, you're building systems that are increasingly complex. Whether you're creating a desktop application or an enterprise system, complexity is the big hairy monster you must manage. The Unified Modeling Language (UML) helps you manage this complexity. Whether you're looking to use UML as a blueprint language, a sketch tool, or as a programming language, this book will give you the need-to-know information on how to apply UML to your project. While there are plenty of books available that describe UML, Learning UML 2.0 will show you how to use it. Topics covered include: Capturing your system's requirements in your model to help you ensure that your designs meet your users' needs Modeling the parts of your system and their relationships Modeling how the parts of your system work together to meet your system's requirements Modeling how your system moves into the real world, capturing how your system will be deployed

2010-04-20

Effective C++ and More Effective C++.chm

Effective C++和More Effective C++本是两本。这里提供的是两本书的合集。 她是C++大师的经验集合,集中向你展示了C++这门复杂语言的很多陷阱并告诉你什么样的代码才是完美的实践的展示,或许读完后你会对C++中的凡此种种的困惑有些释然。 虽然她们不是最新版本,但是其内容绝对不比新版逊色,因为新版语言描述获取更加纯熟,但是却缺失了某些可能对你来说更有帮助的东西。 如果你是该作者的不二fans,抑或你已经看过最新版,但也别错过这本书。

2010-04-19

C&C++标准函数库

C&C++标准函数库,供学习和开发参考。

2010-04-19

Expert Oracle Database Architecture 9i and 10g programming Techniques and Solutions

One of the problems with having plenty of development options is that it’s sometimes hard to figure out which one might be the best choice for your particular needs. Everyone wants as much flexibility as possible (as many choices as they can possibly have), but they also want things to be very cut and dried—in other words, easy. Oracle presents developers with almost unlimited choice. No one ever says, “You can’t do that in Oracle”; rather, they say, “How many different ways would you like to do that in Oracle?” I hope that this book will help you make the correct choice. This book is aimed at those people who appreciate the choice but would also like some guidelines and practical implementation details on Oracle features and functions. For example, Oracle has a really neat feature called parallel execution. The Oracle documentation tells you how to use this feature and what it does. Oracle documentation does not, however, tell you when you should use this feature and, perhaps even more important, when you should not use this feature. It doesn’t always tell you the implementation details of this feature, and if you’re not aware of them, this can come back to haunt you (I’m not referring to bugs, but the way the feature is supposed to work and what it was really designed to do). In this book I strove to not only describe how things work, but also explain when and why you would consider using a particular feature or implementation. I feel it is important to understand not only the “how” behind things, but also the “when” and “why”—as well as the “when not” and “why not”!

2009-06-28

js日期时间控件-日期,时间

可以选择时间的控件,js日期时间控件;可以选择时间的控件,js日期时间控件可以选择时间的控件,js日期时间控件可以选择时间的控件,js日期时间控件可以选择时间的控件,js日期时间控件可以选择时间的控件,js日期时间控件

2009-06-28

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