Ruby On Rails

Tutorials

Using CockroachDB with Rails

Using CockroachDB with Rails When I work in Rails apps, I don’t find myself worrying too much about the database. Since Rails natively supports popular databases like MySQL and PostgreSQL, I usually only need to make a few config changes to get an application’s database up an...

Rails 7 adds the ability to schedule the query on the background thread pool

Rails 7 adds the ability to schedule the query on the background thread pool These queries get executed sequentially which in most cases isn’t a big deal. However, as our database grows in size, response times get longer and longer. A large part of the query time is often just I/O waits. Assuming that each query takes 50ms...

Multi tenancy for Rails applications

Multi tenancy for Rails applications This gem provides multi-db support for Rails applications.Using its middleware you can partition your app so each hostname has its own db.It provides a series of helper for working with multiple database, and some additional rails tasks for workin...

Be specific when defining your routes

Be specific when defining your routes Many controllers don’t need the full set of restful routes to be generated. We might have models in our codebase that aren’t user-deletable or are simple enough not need a full .

Implementing Order With ActionCable Signalling

Implementing Order With ActionCable Signalling Rails’ ActionCable is excellent for building realtime features in applications. However, in some realtime communication applications, ActionCable is just not good enough. Especially in a stack where order matters.In building realtime communication...

RSpec fundamentals: a basic glossary

RSpec fundamentals: a basic glossary This post is part of a series about RSpec fundamentals. If you haven’t read the first part - how to setup RSpec and name files and, digging into their basic structure, go and read it, I’ll wait.Done? Let’s move on to our second installment!In this...

We upgrade your Ruby on Rails apps

We upgrade your Ruby on Rails apps The web moves quickly, especially when it comes to your Ruby on Rails app. You have a million-and-one things on your mind, and upgrades often take a back seat to bug fixes or new features.Unfortunately, putting off maintenance creates technical de...

Live previews with Rails and Stimulus 2

Live previews with Rails and Stimulus 2 Who wouldn’t want a live preview for writing their great content? If you happen to be running Rails with Hotwire, it’s surprisingly easy with a small Stimulus controller.Based on the feedback to this post (primarily thanks to edwinvlieg from HN), ...

Use to_sql to see what query ActiveRecord will generate

Use to_sql to see what query ActiveRecord will generate If you’re trying to write a tricky ActiveRecord query that includes joins, complex where clauses, or selecting specific values across tables, it can be hard to remember every part of the ActiveRecord DSL.Is it joins(:orders) or joins(:order)? Shou...

Quick and Dirty Tracking of Sidekiq Queue Latency in New Relic

Quick and Dirty Tracking of Sidekiq Queue Latency in New Relic In any queueing system, the most important metric is usually how long the average unit of work spends waiting in the queue to be serviced. Time spent in the queue is wasted time.

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