If you have a large project with multiple types of dependencies, switching Git branches can be a headache. Xcode will fail to build and the error messages are often cryptic. For simple projects, a basic project clean will resolve most issues. You can do this through the Xcode menu Product -> Clean Build Folder or… Continue reading How to Create an Xcode Reset Script
Streaming File Reader in Swift
If you need to read a very large file you’ll want to stream it so you’re not loading the entire thing into memory at once. Here’s a snippet for doing that.
Read a File From Xcode Playgrounds
If you need to have some data in an external file and read it in playgrounds, here’s how to do it in Xcode 11.3 using Swift 5.1.
How to Reverse a Number Mathematically
Here’s a simple method for getting the reverse of a positive integer.
Create a Circular Array with the Modulo Operator
If you need to continue looping over an array after you’ve reached the end, you can use the modulo operator to start the index back at 0.
How to Consume an External API in iOS
This is a very gentle introduction to fetching data from an external API in iOS. This tutorial is aimed at beginners and doesn’t assume any prior knowledge.
Fibonacci Sequence Explained
If you’re not familiar with the Fibonacci sequence, the gist is that each number is the sum of the two numbers before it, starting from 0 and 1.
How to Perform a Binary Search in Swift
The basic idea behind a binary search is that you take the midpoint of a sorted array and compare that with the item you’re searching for. The key thing to remember is that the array must be sorted. The steps are:
Intro to Terminal Aliases
Terminal aliases are just shortcuts for the terminal so you can type less. For example, if you use git on the command line you probably type git status a lot. Well, with an alias, you can do something like gs instead. Here’s how you do it:
Location of Xcode Derived Data
Usually Cmd + Shift + K will do a clean but if not, the derived data is in ~/Library/Develop/Xcode/DerivedData cd into that directory and do rm -r [directory name]