Understanding retain and release keywords in Objective-C 2.0 is a challenge. I came across an interesting analogy on retain and release, by Aaron Hillegass. His analogy has been quoted in one of the topic threads at StackOverflow. The analogy compares […]
The equivalent of interfaces in Java and C# in Objective-C are the Protocols and not the @interface that you use to declare the methods and variables. A protocol is defined using @protocol directive. It can have mandatory and optional members. […]
Writing raw JavaScript code and running it in a browser to test it has always been a non-agile technique. You have to unneccesarily create a HTML page, include the JavaScript code in it and run the HTML page in a […]
Methods in Objective-C support named parameters. You can specify the name of the parameter and assign value to it while invoking the method. Let’s discuss this with a class Calculator that has a method add with three parameters num1, num2 […]
Sencha has released an UI design tool Sencha Architect2 that can be used to develop applications in Sencha Touch 2.0 and Ext JS 4. It comes across as a development environment for Sencha Touch. It provides a drag&drop facility not-only […]