Weekly Ruby/Rails tips

Did you know that concatenating strings together ("a" << "b") is a lot more performant than adding them to each other ("...

Did you know that Ruby gives you a powerful string formatter to do things like choosing the number of decimals, converti...

Did you know you could speed up your dev environment a bit by clearing up logs and temporary files? Especially when it's...

Did you know about the view helper "capture"? It allows you to store HTML into a variable and pass it down somewhere els...

Did you know that you can use the ampersand(&) operator with any method that requires a block for some convenient shortc...

Did you know about template variants? Useful when you have let's say one view for admins and one for normal users. Or on...

Did you know Rails 7 added support for PostgreSQL generated columns? These columns will be calculated by the database on...

Did you know that Rails 7 added a way to run queries in parallel? This can give good performance gains if you have multi...

Did you know that since Rails 6.1, you can easily add a column of type interval if you use Postgres? This can be conveni...

You can use infinite ranges with dates and numbers in your ActiveRecord queries.

Examples ⬇️