Text fields in Postgres are case sensitive. This is a problem when storing emails because coutermarsh.mike@gmail.com and Coutermarsh.Mike@Gmail.com are not equal. If you do any lookups by email address, you have a few options. 1. always use downcase on write 2. use a functional

Quick postgres tip. If you have a JSONB column named “options” and it has a key “favorite_color”. Here is an example on how you select the value from it: SELECT options->'favorite_color' FROM table_name; Filter by a jsonb value: SELECT COUNT(*) FROM table_name WHERE (options @> '{

In the past 3 years, we’ve gone through several iterations of how we host avatars on Product Hunt. There were a lot of mistakes. This is what I recommend doing if you’re adding avatars to your web app. Short version: 1. Upload the original image directly to S3.

Every case is different. But I’d be wary of ever creating a dedicated model for a UserProfile. It sounds like a very general “throw everything here” type of model. Which is something you should avoid. It’s better to be very specific about the type of data being stored.

Here are my top 3 suggestions to improve your Rails codebase. 1. Learn the presenter and service object patterns. This allows you to break down complex logic into small, self contained and easily tested classes. This makes writing/changing/reading code easy. Remember to namespace things and create clear separation

Just setup our Capybara tests to use Chrome driver. Here is how I did it. First, added group :test do gem 'capybara' gem 'selenium-webdriver' gem 'chromedriver-helper' #<- New! end Then in the spec_helper.rb Capybara.register_driver :selenium do |app| Capybara::Selenium::Driver.new(app, browser: :chrome) end Capybara.javascript_driver = :chrome Capybara.configure do |config| config.default_max_wait_time = 10 # seconds config.default_driver = :selenium end Finally, w

The Rails mailer preview URL is impossible to remember. URL: http://localhost:3000/rails/mailers So I’m putting it here. Hopefully this just saved you time while googling. If you need more info about how to use previews. Read this.

Here’s how we purge images from imgix’s cache at Product Hunt with Ruby. If you’re googling around for a solution, hopefully this code helps you out. Imgix docs: https://docs.imgix.com/setup/purging-images # usage: Set env variable IMGIX_API_KEY to your api key # Need to

If you’re getting this error with the Twitter gem’s update_with_media method. And googling around for the solution. I’m here to help you. Twitter::Error::UnacceptableIO The IO object for media must respond to to_io Why this happens When you call open in Ruby with

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If I were in college again. I’d be sure to intern somewhere every summer. And somewhere different each time. This will help you figure out what you like. Do you wake up in the morning excited about the work you’re doing that day? If so, keep doing that.

I was recently on the Ruby on Rails podcast to go behind the scenes at Product Hunt. It was a lot of fun, you can check it out at the link below. 💯 Ruby on Rails Podcast #202: Behind the scenes at Product Hunt We covered a lot, here some highlights: