https://www.hackingwithswift.com/ios9 Search extensibility Update: I wrote a tutorial on Core Spotlight in iOS 9 as Hacking with Swift project 32 – check it out! Finally (finally!) you can hook your apps directly into Spotlight for integrated, system
[it-ebooks]电子书列表 [2014]: Learning Objective-C by Developing iPhone Games || Leverage Xcode and Objective-C to develop iPhone games http://it-ebooks.info/book/3544/Learning Web App Development || Build Quickly with Proven JavaScript Techniques http:
Database Design Rule Description Value Source Problem Description 1 High Frequency queries having a high number of table joins. >4 Sys.dm_exec_sql_text Sys.dm_exec_cached_plans High frequency queries with lots of joins can be too normalized for h
The App Life Cycle Apps are a sophisticated interplay between your custom code and the system frameworks. The system frameworks provide the basic infrastructure that all apps need to run, and you provide the code required to customize that infrastruc