Tip: Hex Colors

There’s lot of ways to represent colors. Crayons have names like Sea Green and Peach. I used these two colors since I'm color blind and they once got me in serious trouble when I was young. I and many with color blindness can't tell them apart easily. Knowing some other identifying system is critical in describing …

From Apple To Raspberry Pi: An Example of Implementing a Python MVC (Part 2)

In the last part we implemented the view and controller for the Popper's Penguins application. Now we add the model.  Along the way, we will make a delegate method for the model and change our target actions to add our data to a list. Add the Model Class We want to keep a list of our penguin …

The SlippyFlippy Challenge: Make a Better Obstacle in Sprite Kit

Build a Better Obstacle In the SlippyFlippy challenge we have a small obstacle. In Flappy Bird there are two obstacles which the bird has to pass between.  Let’s change our current obstacle into a pass-through obstacle like Flappy Bird.   Make a Random Obstacle Our current obstacle is a bit boring. It always shows up …