Archive Monthly Archives: April 2016

How To Overcome A Temporary Loss Of Motivation?

It doesn’t matter how much you love your work and how passionated you are about it, at some point you will face a temporary loss of motivation. Most of the times, this is due to the so-called “Wall

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Swift: filter

Swift provides you some handy functions like filter and map for manipulating arrays. In this post we will take a look at filter and how you can combine it with map. So, let’s imagine you have an

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Swift: Use Cases For Guard

The keyword guard has been introduced in Swift 2.0. It was a little bit inconspicuous at the first sight, but it has a lot of power. In this article we will take a look at three uses cases for guard. ...

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try!

Error handling is a very important topic and I’ve written already a blog post about that topic. You can also check out my talk about that topic on the Swift Summit in San Francisco. In this post

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Swift: The Nil Coalescing Operator

The so-called Nil Coalescing Operator is an interesting operator that you can use for working with optionals. An Example So imagine the following situation: You have an optional value   anOptionalInt and

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Building A Simple iOS Calculator App – Part 1

A calculator app is a great example for a simple iOS application. In this tutorial  series we will cover all steps to build one. Introduction This will be a four part tutorial that will cover everything

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How To Leave Your Comfort Zone As A Developer?

For sure you’ve already heard that leaving your comfort zone is a great way for improving yourself. In this article we discuss the best ways for a developer to do so.

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Data Persistence On iOS – An Overview

Very often an app creates data that should be saved. In this article we’ll discuss the different possibilities for data persistence on iOS. NSUserDefaults NSUserDefaults are a great way to save

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