Swift 3.0 - Fresh Beginning (Page 2)

Swift 3.0

A collection of 33 posts

try-catch Blocks and Unit Tests - Swift 3.0

try-catch Blocks and Unit Tests - Swift 3.0

In the last post I wrote about implementing error handler in Swift 3.0 using try-catch block technique. In this post I will go over how to unit test it. Since we all know unit tests are awesome! First off, let's write some fresh code on error handler. This is

try-catch blocks - Swift 3.0

try-catch blocks - Swift 3.0

Today, I will try to go through some of the error handling techniques Swift uses. As we all know, the standard way to report error in Objective-C is passing an error pointer such as this NSError *error = nil; // Edit - Thanks to @powerje for correction below // Let's assume you have

Tail Recursion Optimization

Recently I came to know about amazing concept of tail recursion optimization. If you are a computer scientist, you must be knowing what recursion is. It is a function calling itself multiple times until certain edge condition is reached. When an edge condition is reached, it returns the result at

iOS - Checking the reachability status of network internet connection in Swift

iOS - Checking the reachability status of network internet connection in Swift

Today I am going to write about classic problem we all face in the app, Detecting network outage. There are times with bad internet connections or no connection at all. This could cause severe distress to app user or even bad ratings. Worse, if network outages continue and there is

Pass data with iOS Notifications - Swift 3.0

We all have used Notifications on iOS. (I would not call them NSNotifications though, since this post is about Swift 3.0). I used them long ago when I was yet a newcomer. They were easy way to transport information among different parts of program. Although easy, Notifications can have

Removing padding for UITextView

Last week I was working on one of the projects that required using UITextView instead of more standard UILabel instance. Don't get me wrong, but there were some compelling reasons for me to use UITextView. The reason being, I wanted to add a clickable link to the text and when

Using Phantom Types in Swift

Phantom types are special types in Swift. They are useful when you want to pass the variable with same structure but with different types. I would like to thank to This blog post for inspiring me to write this post. Also examples mentioned in the post are inspired by the