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.

Popular Programming Tips

Separating Procfile for development and production env

Start your rails environment faster!

Amend a commit, keeping the same commit message

devise_invitable gem for sending invitation to user

Catch InterruptedException in Scala with try{]catch{}, not scala.util.Try

Excel Downloads for Rails Active Admin

State & Country Filters for ActiveAdmin

Test your JS knowledge

Delete local and remote Git branches

Sorting by two fields in Clojure

Warning when accessing a modified closure in lambda expression

Maintaining a local mirror of Rubygems.org

tweenlite.js

Check if given executable exists (all shells)

“You are trying to cache a Ruby object which cannot be serialized to memcached.”

Rebuild the launchservices database

AngularJS TypeError: Cannot read property 'ignoreAuthModule' of undefined

Force SSH session exit

Resumable.js

Browser Exploitation Framework on OSX

Doctrine, replace into

Better git log

Using scr annotations in a pax-construct project with maven-bundle-plugin

Exporting a folder to a separate Git repository

SASS Mixin: Grayscale for the Masses

Awesome Jobs

Coderwall Dev Community