CCleaner is the number-one tool for cleaning your Windows PC. It protects your privacy online and makes your computer faster and more secure. Easy to use and a small, fast download. CCleaner is a freeware system optimization and privacy tool. It removes unused files from your system - allowing Windows to run faster and freeing up valuable hard disk space. It also cleans traces of your online activities such as your Internet history.

Objective-C is the language you have to use if you want to write fantastic apps for Mac OS and iOS. This soup-to-nuts course on Objective-C gives you the solid basis in Objective-C that you absolutely need for writing applications for these platforms. This course is designed to be the the perfect foundation for you to start from whether you’re going to be coding on either Mac OS or iOS.

In this 13 hour video training course we start out with the absolute basics, introducing you to Xcode and how to compile an application, we then move on to basic C language constructs and types. We show you how to declare and use functions, procedures, and so on. Then we move on to Object Oriented Programming, and cover how OOP is implemented in Objective-C and how to use objects in your apps. We also cover memory management in depth so you can be sure to write apps that do the right thing when it comes to allocating and freeing memory. We even cover garbage collection as well, so you know how and when you can use GC in your apps.