Ruby-code Rotate An Array By N Positions In Ruby Shift array elements left or right by N positions using Array#rotate.
Ruby 3 Regular Expressions in Ruby — A Practical Guide That Skips the Theory Regular expressions have a reputation for being write-only code — you craft them with intense focus, they work, and three months later neither you nor anyone else can read them. That reputation is
Rails ActiveRecord Scopes and Query Objects — Keeping Your Queries Organized Queries scattered across controllers, models, and background jobs are one of the most common maintainability problems in Rails apps. A where clause written inline in a controller is invisible to the next developer
Developer tips How to Actually Ship Your Side Project — The Developer's Guide to Finishing The developer graveyard is full of side projects. Half-built apps, promising ideas that reached MVP and no further, abandoned repos with commits from two years ago. Starting is easy — the problem is
Ruby-code Remove Duplicate Elements From An Array While Preserving Order In Ruby Deduplicate an array in insertion order using Array#uniq.
Ruby 3 Exception Handling in Ruby — rescue, ensure, retry, and raise Done Right Exception handling is one of those topics that feels simple until you hit a subtle bug caused by rescuing too broadly, retrying without a limit, or swallowing errors that should surface. Ruby’s exception
Rails Rails Caching Strategies — From Low-Level Cache to Russian Doll Caching is how Rails apps go from “works fine with 10 users” to “works fine with 10,000 users” without rewriting everything. Rails ships a complete caching toolkit — low-level key-value cache, fragment caching,
Developer tips Deep Work for Developers — Getting Real Hours Back in a World of Interruptions Software development is cognitively one of the most demanding professions there is. Holding a complex system in working memory, tracing execution paths, spotting the subtle interaction between two pieces of code — these
Ruby-code Zip Multiple Arrays Together In Ruby Combine elements from two or more arrays by position using Array#zip.
