Knowledge base for teams
How to deal with RSpec time precision errorPublic
In some cases, Ruby uses higher precision to represent time than the DB. When we compare a timestamp before and after saving to the DB it might not be equal.
@musExample tmux script for RailsPublic
Shell script that will start a tmux session with Rails console and server in side panes
Prettier raw SQL in rubyPublic
Use this syntax to format raw SQL nicely in ruby code. In some editors it also enables SQL syntax highlighting.
Use React.Fragment to avoid creating useless divsPublic
This jsx ```react <React.Fragment> <h1>Hello World</h1> <p>This is paragraph</p> </React.Fragment> ``` Will be compiled into this html ```h...
How to inspect an element that disappears on click (in chrome)Public
In chrome developer tools go to "Sources" find "Event Listener Breakpoints" and select "Mouse -> mousedown". Now each time the event is triggered, chrome wil...
Pundit DecoratorPublic
Organize Pundit error messages and redirects in a decorator. Simplify reuse and maintenance
Move last commit to a feature branchPublic
When you accidentally commit to master/staging and need to move the commit to a feature branch
Define routes for external links in railsPublic
You can define external urls in routes.rb instead of creating helpers manually
Set the same password for all users in one queryPublic
Reset devise passwords quickly, even for thousands of users.
Generate fake screenshot mockups in minutesPublic
This app allows you to upload screenshots and paste them into a fake phone/laptop mockup.
Style PDFs using metric units in CSS with wicked pdfPublic
Configure wicked_pdf with: ```ruby disable_smart_shrinking: true ``` Then you can accurately use `mm` and `cm` as units in your CSS
Line icons based on Font AwesomePublic
Replace Font Awesome with modern line icons with a single line of code.
Multiline method memoization in rubyPublic
Method memoization in ruby is easy when the method is one line long: ``` def something @something ||= # your calculations end ``` But when we hav...
Global payment/billing provider compatible with EU lawsPublic
Recommended by https://pawelurbanek.com/profitable-slack-bot-rails
Hello World in SlackPublic
See the link for setup instructions. Then in ruby: ```ruby conn = Faraday.new(your_slack_webhook_url) conn.post do |req| req.headers['Content-Type'] ...
Make RSpec shared examples easier to understand with this one trick!Public
This guy makes his shared examples easier to understand. Overpaid consultants hate him!
When to use let, let! and before in RSpecPublic
When to use let, let! and before in RSpec.
Using comment notes in RailsPublic
In your code: ```ruby # TODO: fix this ``` In your shell: ```bash % rake notes ``` ```text config/routes.rb: * [ 1] [TODO] fix this ```
Debugging Turbolinks 5Public
```javascript document.addEventListener('turbolinks:click', () => console.log('turbolinks:click')) document.addEventListener('turbolinks:before-visit', () ...
