Surviving rolling deploys when Sidekiq meets a class it doesn’t know yet
A tiny Sidekiq middleware that requeues jobs whose class isn't loaded yet, so rolling deploys stop throwing NameError—plus a look at how it works under the hood.
dmitrytsepelev.dev
A home for my blog posts
Latest posts
LLM layer for a Rails application
A pragmatic pattern for wiring LLMs into a Rails app: base class, ERB prompts, two-level tests, and context strategies.
Terminal–based game in 150 lines
Terminal–based game written in pure Ruby using less then 150 lines of code
How to test graphql-ruby responses
How to test graphql-ruby responses, coming from types, mutations and subscriptions
Service objects in Rails: how to find a mess
Examine your service objects and try to find possible issues caused by wrong composition and missing contracts
Ruby goes to the movie theater: directing the refactoring of your application
How to plan and execute the refactoring of you Ruby application
Errors in GraphQL
GraphQL errors best practices
🎈 Blog turns one year!
How to detect a possible memory bloat in Rails before it starts being a problem
How to find a memory bloat in your Rails app before it happens
How to detect a possible memory bloat in Rails before it starts being a problem
Fantastic global methods in Ruby and where to find them
Where Ruby methods keeps methods and variables defined on the top–level scope