Have you been struggling for the past few hours, or even days, trying to get your Rails, Jekyll, iOS, Flutter, React Native, or other Ruby project working? Have you been getting error after error when installing Ruby gems, or even just Ruby…
GitHub Pages makes it easy to publish and host a Jekyll site for free. In theory, at least. In my Beginner’s Guide To Bundler and Gemfiles, we saw how the official GitHub documentation contains incorrect or confusing instructions that can p…
When trying to install any Ruby gem on a Mac, people often run into the infamous you don’t have write permissions for the /Library/Ruby/Gems/2.6.0 directory error: This can be very frustrating, especially when the proposed solutions are inc…
Did you just install Rails on your Mac, but got “Rails is not currently installed on this system” when you tried to use it? Depending on how you installed Rails, the fix could be easy or complicated. Whatever you do, please don’t follow the…
While Macs come preinstalled with Ruby, it’s not recommended to use this version, known as the system Ruby, to install gems. Here are the 5 main reasons why you shouldn’t use the system Ruby to install gems on macOS, and what to do instead:…
When the first M1 Macs were released in late 2020, Homebrew and other development tools were not quite ready to run in native mode with the Apple Silicon chip ARM architecture. Today, that is no longer an issue for modern Ruby development.
This is a quick guide for installing PostgreSQL (Postgres for short) on a Mac with Homebrew, and starting and stopping it with Homebrew Services. If you’re working on a Ruby on Rails project that requires Postgres, this tutorial will get yo…
You’ve just installed a gem, let’s say jekyll, or rails, and it installed just fine. But when you tried to use the gem, you got command not found. Other variations include: How frustrating! You ask on help forums, search the internet for so…
If you’ve just upgraded Postgres with Homebrew, and Postgres won’t start, as long as you don’t care about any data stored locally, remove all versions of Postgres: You might have to specify a version if you used one of the @ version numbers…
It’s 2022, and there are still annoying sites that block pasting into form fields, for passwords, or your bank’s account and routing numbers. If you look up how to bypass this copy-paste restriction, the three most common solutions all have…
An action I perform multiple times per day is adding web page links to my Obsidian daily notes. I keep track of everything interesting or useful I come across. When I first started my daily notes habit, I would manually copy the URL from th…
Starting with macOS Catalina (10.15), Apple set the default shell to the Z shell (zsh). In previous macOS versions, the default was Bash. Each shell supports a configuration file in your macOS Home folder that gets read every time you open