Say, for whatever reason, you were in desperate need of Bill the Cat ASCII art in your app. Maybe you were very drunk and had a bet. Maybe you were working with some kind of Unix awk client. I dunn…

A cheat sheet for cheat sheets! An overview of cheat sheets for Xcode, Swift and GIT to use as a quick reference and speed up your development.

You followed a tutorial to create a simple table view, you managed to create a custom cell with some labels and images, it seems to go well. But as soon as you scroll it, you noticed something is wrong. When you tap on a cell and scroll it, the cells

TL;DR Jump to how to set launch arguments / environment variables If you have programmed in platform outside of iOS like Ruby , Python, Java etc, you might have used environment variable to store secrets. There's environment variable in iOS as well, these…

A quick guide to writing user interface tests with Xcode.

Memory leaks are a common problem when writing iOS applications, and while we all know we should be on the lookout for them, it’s often too easy to miss a vital weak reference. By leveraging integration testing, we can catch these issues and spend more time…

Create a QR code Core Image in Swift by applying multiple Core Image filters to adjust the color and combine the QR code with your own logo.

In this tutorial, you’ll learn about requesting app ratings and reviews in your iOS applications using SKStoreReviewController and other available APIs.

This week, let's take a look at a way of writing networking code that utilizes Apple's built-in URLSession API, while augmenting it using Futures & Promises, as well as several functional programming concepts.

In this tutorial, we are going to deal with massive View Controller using Container View Controller and Child View Controller.

In this Swift algorithm tutorial, we'll look into how we can implement a heap based priority queue to search a graph for the shortest path.

If you’ve been following Apple’s announcements from the past year, you know that they are heavily invested in machine learning. Ever since they introduced Core ML last year at WWDC 2017, there are tons of apps which have sprung up which harness the power…

In this Docker tutorial, you’ll learn Docker vocabulary and the commands for creating, inspecting and removing containers, networks and data volumes. You’ll learn how to run Docker containers in the background or foreground, and switch between the two; how…

Clear up any ambiguity and get typed errors too