The dangers of forcefully unwrapping values

Whenever I’m programming, I have a goal in mind, generally a problem to solve. I want my solutions to be simple, yet elegant and reliable. Thankfully, Swift is a great language for this. The language is safe, its syntax is beautiful with great readability. The way Swift handles nullability contributes Read more…

High performance shadows for UIView

No app is truly complete without some subtle shadows. Especially now that Google’s Material Design is showing us that shadows are cool again we need a way to properly add them in our apps. In my previous post I wrote about a way to create a custom UICollectionView layout. There was one Read more…

My take on Protocols in Swift

When Apple announced Protocol extensions at this year’s WWDC and went on to explain the idea of Protocol Oriented Programming (video here), I think every iOS developer got really exited. Especially with Protocol extensions it seems that everything we will ever build can and will be protocol based instead of Read more…

Icon fonts vs. svg icons

We can all agree that using png sprites for icons is not the most modern (or best) way to present icons on the web. Png is a rasterized format which means that if you try to make the image (or icon) larger, the quality will become worse. When browsers started Read more…

How to choose between rem and em

A few days ago I found this article that argues for using rem units when defining font sizes. Generally speaking this is good advice. The rem comes with great predictable behavior, just like pixels do. But the rem also comes with accessibility advantages. When a user changes the font size in their browser Read more…

Using Flexbox in the real world

The Flexbox module for css was built with the intent to make a more robust, less hacky way to layout elements on pages. When you’re building a webpage you often don’t know how high or wide every element could or should be. This can cause problems in certain layouts which Read more…

Service workers are awesome

In the war between native and web apps there’s a few aspects that make a native app superior to a web app. Among these are features like push notifications and offline caching. A native app, once installed, is capable of providing the user with a cache of older content (possibly updated Read more…