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The term metaprogramming sounds quite intimidating, especially for newbie developers such as myself. However, it’s a common misconception…

One of the most common questions about testing, including what to write tests for, is what NOT to write tests for. When people ask me what to write tests for, my honest but maybe not very helpful answer is “basically everything”. But I don’t test literally absolutely everything. There are some cases when I choose …

Overview of TimescaleDB highlights. Understanding time-series data. Integrating with Ruby on Rails. Implementing views counter demo

Where is the Ruby language headed? Increasingly it seems efforts are geared toward expanding the set of systems, for which Ruby is a good fit.

🎨 Curated collection of 93 free beautiful CSS box-shadow, ready-to-use for your next projects. Click to copy.

A brief introduction to Ruby’s lightweight concurrency primitive.

A classless CSS framework to make a good looking site quickly.

A T-shaped person is capable in many things and expert in, at least, one.

Hello guys ! sometimes I came across the need to change the application's database,...

Rails 7 series | Ruby 7.0 adds ActiveRecord::QueryMethods#in_order_of

Rails 7 series | Rails 7 replaced byebug with ruby/debug

When engineering a new SaaS app, how you plan to handle customer data tenancy is usually one of the...

Airbnb announced that it has open-sourced Ottr, a serverless public key infrastructure framework developed in-house. Ottr handles end-to-end certificate rotations without the use of an agent. Ottr's primary design goal is to be a scalable and configurable serverless framework on AWS with little operational overhead or reliance on enrollment protocols.

WebAssembly meets 16000 HTML checkboxes.

What do Tom Hanks, Meryl Streep, Julia Roberts, and Brad Pitt have in common? They all, at one time or another, used stunt doubles for…

I end up creating a lot of Rails apps, and each time I get started I often find myself wanting to add...

Why good code needs defending Good code quite frequently comes under fire. Managers explicitly or implicitly pressure developers to cut corners in order to “move fast”. And sadly, even programmers sometimes argue against writing good code. They say things like “it doesn’t always need to be perfect, because after all we need do to ship”. …

With screens available in any size you can imagine, it's time to shift our approach towards responsive design – the era of breakpoints is over and the era of fluid design is here. Modern CSS has fantastic support for responsive design that ensures you won't ever have to write a media query again (if you don't want to).

Async Ruby is a powerful and highly scalable concurrency feature. It's available today, it's production-ready, and it's an awesome addition to Ruby language!

Send updates to a page using a specific partial.

Using dry-schema and dry-validate to keep endpoint tests readable & maintainable

A lesser known capability of Ruby’s JSON.parse If you ever got annoyed by the fact that JSON.parse returns hash with string keys and prefer hashes with symbols as keys, this post is for you.

This story starts in October of 2019. I was in the Basecamp meetup in Chicago two weeks after joining the company. During an internal presentation, David talked about the need to raise the bar when it came to privacy for the new product the company was working on, codenamed Haystack, now HEY. We all were busy with all kinds of projects...

When Rails applications grow, most likely your controllers/routes start to grow too. There’s no need to make Rails routes difficult — REST easy! In this post, we'll show you how to keep your Rails application maintainable for the long run by following the REST design principles.

I ran across this 30 seconds of code website the other day, and they have a CSS section which is really good! The first example snippet I looked at was