Episode 38

We Hand Chiseled Our Corners


July 20th, 2021

1 hr 11 mins 50 secs

Season 1

Your Hosts

About this Episode

Welcome to Code Completion, Episode 38! We are a group of iOS developers and educators hoping to share what we love most about development, Apple technology, and completing your code!

Follow us @CodeCompletion on Twitter to hear about our upcoming livestreams, videos, and other content.

Today, we discuss:

Also, join us for #CompleteTheCode and Compiler Error, two segments that test both your knowledge and our knowledge on Swift, Apple, and all things development!

Your hosts for this week:

Be sure to also sign up to our monthly newsletter, where we will recap the topics we discussed, reveal the answers to #CompleteTheCode, and share even more things we learned in between episodes.

You are what makes this show possible, so please be sure to share this with your friends and family who are also interested in any part of the app development process.


This week's episode of Code Completion is brought to you by Sticky Widgets. Go to today to check it out!

Complete the Code

What’s the best way to check if the file that is passed in exists or not?

func checkIfExists(_ fileURL: URL) -> Bool {
    // What's the best way to check if the file at fileURL
    // exists or not?

Be sure to tweet us with hashtag #CompleteTheCode if you know the answer!

Compiler Error

This week's Compiler Error has a theme: Email Validation!
1 - "I love Objective-C"
2 - [email protected]
3 - admin@[IPv6:2020:de9::1]
4 - appsupport(See Dimitri)@helpdesk