We at b2cloud play a fundamental role for businesses looking to build successful digital products. We often hear passionate product owners, experienced CEO’s and founders articulate their vision to us saying… “I want to build
There are many visions on where mobility is going and how transportation will evolve. Which will prevail? Where will the disruption occur? I suspect the car I drive now, will be the last one I
We all love Siri’s little witty quips, but I recently read a heartwarming article over on Mashable that reflects the power of technology to change lives in ways that most of us would never appreciate. I won’t spoil
If you code precompiled libraries for people to use (frameworks, static libraries etc) you may want to hide your variables from the headers so other coders know as little about how your classes work as possible. It works similar to categorising a class and adding new methods, except you can also use new variables that only the implementation file (.m) knows about.
Objective C categories are great for extending classes, however if you want to override methods then you’re going to have some problems as you can no longer call the method on your original class owns, usually breaking a lot of functionality the higher up the class food chain you travel (try this on NSObject‘s init, return nil). If you called the same method on self you would end up with an infinite loop, and calling super will skip the original class completely.