iOS 4 introduces one new feature that will fundamentally change the way you program in general: blocks. Blocks are an extension to the C language and thus fully supported in Objective-C. If you're coming from a programming language such as Ruby, Pyth…

In the first part of this series, we learned how to declare and call basic Objective-C blocks. The motivation was to understand how to effectively use the new APIs in iOS 4 that take blocks as parameters. In this installment we're going to shift our…

前言 转载自:http://www.samirchen.com/ios-performance-optimization/ 程序性能优化不应该是一件放在功能完成之后的事,对性能的概念应该从我们一开始写代码时就萦绕在我们脑子里.了解 iOS 程序性能优化的相关知识点,从一开始就把它们落实到代码中是一种好的习惯. 初级技巧 使用复用机制 在我们使用 UITableView 和 UICollectionView 时我们通常会遇到「复用 Cell」这个提法,所谓「复用 Cell」就是指当需要展示的数据条…

This site contains a ton of fun tutorials – so many that they were becoming hard to find! So I put together this little page to help everyone quickly find the tutorial they’re looking for. Hope you enjoy! :] Beginning iPhone Programming iPhone progra…

http://www.raywenderlich.com/tutorials This site contains a ton of fun written tutorials – so many that they were becoming hard to find! So I put together this little page to help everyone quickly find the tutorial they’re looking for. Hope you enjoy…

本文目录 1.程序配置文件info.plist,全局头文件pch 2.应用程序对象UIApplication介绍 3.UIApplicationDelegate介绍,程序启动过程 4.UIWindow对象 5.程序界面显示出来的过程 6.总结程序启动完整过程 -1.程序配置文件info.plist,全局头文件pch 1.程序配置文件info.plist,全局头文件pch 回到顶部 工程的配置中Info选项里面的内容实际上是info.plist文件里面的内容的拷贝,info.plist里面存放了许…

http://www.slideshare.net/invalidname/core-midi-and-friends               31 of 31     Core MIDI and Friends 8,215 views Share Like Chris Adamson , Developer, Author at Subsequently and Furthermore, Inc. Follow  0  1  0 Published on Nov 7, 2011 Cocoa…

March 3rd, 2011 Posted by: Matt Tuzzolo - posted under:Articles » Featured I recently spent some time with ELCImagePickerController. For those of you who’ve worked with UIImagePickerController, you might have noticed one of its major drawbacks: you c…

本文转载自网络,原作者不详. (本文是用 markdown 写的,访问 https://www.zybuluo.com/illuz/note/71868 获得更佳体验) 程序语言 interactivepython-003 Rice - An Introduction to Interactive Programming in Python 链接: http://pan.baidu.com/s/1kTJA0Er 密码: 9pdh (分享失败) Python Advanced Tutorial (…

View Controller Basics   视图控制器基础 Apps running on iOS–based devices have a limited amount of screen space for displaying content and therefore must be creative in how they present information to the user. Apps that have lots of information to display…