楼主Xcode日前升级到了5.1，今天在build提交应用新版本的时候，遇到了‘this bundle is invalid. armv7s are required to include armv7 architecture’的报错，在Stackoverflow中找到的解决方案，即在Build Settings的Valid Architectures中去掉arm64，果真管用，但不明白其所以，arm64指的是iPhone 5s 64位吗？那去掉了不就不支持64位咯？
iOS 开发实用技术导航
NSHipster 中文版
› http://nshipster.cn/
cocos2d 开源 2D 游戏引擎
› http://www.cocos2d-iphone.org/
CocoaPods
› http://cocoapods.org/
Google Analytics for Mobile 统计解决方案
› http://code.google.com/mobile/analytics/
WWDC
› https://developer.apple.com/wwdc/
Design Guides and Resources
› https://developer.apple.com/design/
Transcripts of WWDC sessions
› http://asciiwwdc.com
Cocoa with Love
› http://cocoawithlove.com/
Cocoa Dev Central
› http://cocoadevcentral.com/
NSHipster
› http://nshipster.com/
Style Guides
› Google Objective-C Style Guide
› NYTimes Objective-C Style Guide
Useful Tools and Services
› Charles Web Debugging Proxy
› Smore
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