Objective C 檢查optional delegate function有無實作

if([self.delegate respondsToSelector:@selector(YOUR_FUNCTION)]){ 
    [self.delegate YOUR_FUNCTION]; 
}

JSON Editor Online

http://www.jsoneditoronline.org/

Android 大陸開發者社群

http://www.eoeandroid.com/

Objective-C Coding Style參考

Coding Guidelines for Cocoa

https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CodingGuidelines/Articles/NamingFunctions.html#//apple_ref/doc/uid/20001283-BAJGGCAD

紐約時報行動軟體團隊的Objective-C程式碼撰寫風格手冊

https://github.com/yehnan/objective-c-style-guide

多國語言付費翻譯服務

http://gengo.com/

Corona SDK 有趣的個人開發者網站

http://appsgaga.com/

作者的Corona教學blog
http://learningcoronasdk.blogspot.tw/2013/03/corona-sdk.html

Android Eclipse無法連接小米2問題

在撥號界面按*#*#717717#*#* 開啟

Adobe CS 6 官方下載連結

http://helpx.adobe.com/x-productkb/policy-pricing/cs6-product-downloads.html

Objective-C 文字辨識引擎 Tesseract for iOS

https://github.com/ldiqual/tesseract-ios

安裝教學：
http://lois.di-qual.net/blog/install-and-use-tesseract-on-ios-with-tesseract-ios/