Explore the all-time favorite tutorials, design patterns and engineering guides that thousands of readers keep sharing and coming back to, year after year.

These proven techniques, reusable code samples, programming tips and vibe coding habits earned their place through steady views and member likes.

Each entry here is still useful today, covering programming languages, frameworks and workflows that stay relevant long after they were first published.

Whether you're new to a tech stack or an experienced engineer refreshing your skills, start with the most useful tips our dev community members recommend and build on solid, well-tested coding knowledge.

Ruby tips you wish you knew

Strings to colors

Ohm - Object-Hash Mapping for Redis

Opção de Hospedagem PaaS no Brasil

Parallel assignment and that comma

p, puts and print in Ruby

Enabling Public Access To Development Machine

Testing: Minitest::Unit

redirect_to from within any ruby class

Test Parse Cloud Code with Ruby

Syntax Sugar for Defining Test Helper Methods

Seeing Metaclasses Clearly (2005 article by _why)

Terminal Weather Updates

How to correctly check for filled array

adn funding broadcaster

Blocks, Procs, Lambdas

Ruby convention is 2 spaces for each indentation. Use it to make your code readable.

reverse_merge method

Specify Ruby version in Gemfile

rubocop tips

Missing ENV Variables Return Early

Geoelevations

Hash magic

Páginas estáticas com Jekyll no Heroku

RVM .ruby-version .ruby-gemset

Your Twitter Status Timeline on Linux Terminal

Awesome Jobs

Coderwall Dev Community