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Upgrading PostgreSQL on Heroku: A Step-by-Step Guide
Upgrade PostgreSQL on Heroku with little downtime: create a follower, enable maintenance mode, upgrade and promote it, check the app, drop the old DB.
Stimulus Keyboard Event Filter
In the last update of Stimulus v3.2.2, the ability to filter the event by PageDown and PageUp keys was added.
Custom ordering without custom SQL with Ruby on Rails 7
Ordering records by an enum in Rails 7 without hand-written SQL: in_order_of puts the rows in the sequence you name.
How a Large Transaction Caused DB Deadlocks, and the Fix
Recently in a project, we encountered the fact that sometimes we had a DB Deadlocks error.
Clean Rails Views With the Null Object Pattern
One of the most common errors developers encounter is NoMethodError. It occurs when code is executed according to a script not provided by the programmer.
4 Ways to Create a Triangle in Tailwind CSS
Learn 4 methods to create CSS triangles in Tailwind CSS using borders - up, down, left, and right. Copy-paste utility classes with live examples.
Custom templates for Rails scaffolding
Rails has a very handy tool for rapid development called scaffolding. Often programmers ignore it, because some things have to be written by hand anyway.
How to make vertically scrollable in CSS
In order for the scroll to appear, you need to limit its height by adding height or max-height properties.
Data Migrations in Rails: Problems and Possible Solutions
Data migration is a common part of working with databases, and Ruby on Rails developers have many tools at their disposal.
How to use Ruby on Rails Concerns
A Rails concern is a module that extends the ActiveSupport::Concern module.
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