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.

Rails tips that dodge bugs

Wrap multiple requests in one transaction

Rails+Angular+Slim templates

Add ActiveRecord scopes to Ctags

Efficiency in Development Workflows: Deployment Pipelines and Zero Downtime Deployment

Regenerate thumbnails for paperclip

Carrierwave-Rails start a download without iframe/javascript hacks

Random record for all ActiveRecord model.

reset heroku database

Rails migration status

PJAX still requesting full pages?

postGIS on Heroku

Indexing Class with UUID Primary Key with Sunspot Solr on Ruby on Rails

demodulize method

get gravatar image with options using ruby simple function

Generate and save routes into a text file each time they change

Prevent gems from installing on Heroku

setup global gitignore to ignore temporary files

Better Specs { rspec guidelines with ruby }

Connect to a Mongolab Heroku DB

Bootstrap 2.1+ updated alerts in Rails

Simple Dark Features in Rails

running rake db:seed without duplicating data

Set up Rails dev env in OS 10.8 Mountain Lion

Enable Heroku Postgresql autovacuum

Rails development environment using rbenv+ruby-build+bundler

Awesome Jobs

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