as as! as?

Posted on 2019-01-16 by fan

title: as as! as? date: 2016-10-26 13:52:46 tags: as ca […]

swift中weak和unowned的区别

Posted on 2016-12-13 by fan

weak和unowned都是解决循环引用的关键字区别：如果您是一直写 Objective-C 过来的，那么 […]

Posted on 2016-12-13 by fan

@noescape：no escape(没有逃脱) 用来修饰闭包，含义为非逃逸闭包。当闭包作为参数传递进函数 […]

Posted on 2016-09-19 by fan

打开Xcode8和Xcode7的app包内容 Contants/Developer/Platforms/iPh […]

Posted on 2016-08-15 by fan

struct是值类型，值类型在传递和赋值时将进行复制。 class是引用类型，引用类型只会使用引用对象的一个『 […]

Posted on 2016-08-05 by fan

避免使用程序状态和可变对象,是降低程序复杂度的有效方式之一,而这也正是函数式编程的精髓。函数式编程强调执行的 […]

Posted on 2016-06-07 by fan

Swift必须考虑与Objective-C的兼容。首先通过添加{product-module-name}-B […]

Posted on 2016-06-06 by fan

let vc = NameVC() init(title: String){ super.init(nibNa […]

Posted on 2016-04-25 by fan

error: class xxx has no initializers 这是说变量没有初始化，比如 var […]

Posted on 2016-03-01 by fan

使用swift写dome时xcode报一下错误： braced block of statements is […]