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

Ruby's equivalent to Python's `ary[1:]`

OmniAuth strategy for Quizlet

Rounding to the nearest hundred

Missing ENV Variables Return Early

Locate a method's implementation

Installing downloaded gem

Faster specs

RVM .ruby-version .ruby-gemset

Check for empty columns in your database

Execute code online and return output

Most recent return value in IRB

Fixing ruby ssl certificate error

Require in Ruby

Destructuring with Ruby

Submit Protip to Coderwall.com using Selenium

My Gem : css_grid

Variable assignment like functions in ruby

Ancestors of a Ruby class

Simple ad-hoc rspec matchers

misc collection of ruby at_exit fu

Monitor directories sizes and take an action if one of them exceeded

Homebrew, Ruby, and Git

Facebook Twitter Google Tumblr Ruby: Count Occurrences of Array Elements

Using HTML-Pipeline In Jekyll.

Rails ActiveRecord Stinks

Awesome Jobs

Coderwall Dev Community