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一晃就半个十年,思念如潮...
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09 2011 档案

摘要:A Brief History of Strings Delphi strings in depth Strings are a bit of a mystery to most Delphi developers. The fact that new features are added in almost every new release probably does not help the situation. For example, few developers know the difference between string,... 阅读全文

posted @ 2011-09-15 14:32 Leo.W 阅读(181) 评论(0) 推荐(0) 编辑

摘要:原文: http://www.noupe.com/css/100-great-css-menu-tutorials.htmlNavigation is such an important part of your website. It’s how your visitors navigate to the main areas of your site and makes it easy for them to find your good content. CSS is of course the perfect language for designing beautiful na... 阅读全文

posted @ 2011-09-10 12:09 Leo.W 阅读(268) 评论(0) 推荐(0) 编辑

摘要:不同于TList类,TObjectList类的Add, Remove, IndexOf, Insert等方法都需要传递TObject对象作为参数,由于有了编译期的强类型检查,使得TObjectList比TList更适合保存对象。此外TObjectList对象有OwnsObjects属性。当设定为True (默认值),同TList类不同,TObjectList对象将销毁任何从列表中删除的对象。无论是调用Delete, Remove, Clear 方法,还是释放TObjectList对象,都将销毁列表中的对象。有了TObjectList类,我们就再也不用使用循环来释放了对象。这就避免了释放链... 阅读全文

posted @ 2011-09-02 16:20 Leo.W 阅读(709) 评论(0) 推荐(0) 编辑

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