Richard Trump

Objective-C is the primary coding language in iOS development. For every iOS coding beginner, it is important to learn the hello world example first. This article will introduce Objective-C’s basic […]

ios nsurlsession and sub classes

NSURLSession was introduced with the release of iOS7 in 2013, Apple is positioning it as a replacement for NSURLConnection. Now, the most widely used third-party network frameworks, such as AFNetworking, […]

Regular expressions can be used to quickly match a very complex text logic using only a very short expression statement. Mastering regular expressions skillfully can greatly improve your development efficiency. […]