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

HTTP Posts in Ruby

Centered Text And Images In Github Markdown

Take a photo of yourself every time you commit

Ruby: Convert a string to an array of characters

Installing ruby 2.0.0 with RVM

Open a rails form with Twitter Bootstrap modals

Fix SSL_connect returned=1 errno=0 state=SSLv3 read server certificate B: certificate verify failed (OpenSSL::SSL::SSLError)

What is the best OS for web development? (Community Protip)

Ruby: the differences between dup & clone

+ or .concat, what is faster for appending string in Ruby?

Formatting Currency via Regular Expression

Rails - filter using join model on has_many through

Unlimited free private/public repos with Gitlab

Documenting Rails-based REST API using Swagger UI

Ruby : block as parameter

Ruby Array.except

Convert a complex nested hash to an object

Upgrading Ruby to 2.1.0 (and above) in Mavericks

using belongs_to with scaffold generator to quickly create associations

How To Make Your Rails app start talking to a Postgres database?

Swap two elements of an array in Ruby

"try" method - do you need it?

Install PostgreSQL 9.2 on OS X Mountain Lion

erb to haml converter

Signing Amazon S3 URLs

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