My most used git aliases. Creating DigitalOcean images with Packer. Extending Doorkeeper models in Rails. Writing a DSL in Ruby. CSV file reading in Ruby. Diagnosing the network with Ping, Traceroute and MTR. Installing platform specific gems with Bundler.

Thoughts on technology, software and startups. How to use sort by to sort by multiple parameters in Ruby. Syncing your development and production databases. Syncing your local database with your production environment is a smart thing to do.

Макеты и рендеринг в Rails. Хелперы форм в Action View. Работа с JavaScript в Rails.

5 Short Reflections From 5 Years. Rafał Feb 26, 2018 4 min read. Rafał Feb 25, 2018 4 min read. Upgrading to Rails 5 - bunch of random tips.

To my humble corner of the vast World Wide Web. If not, email me. To my humble corner of the vast World Wide Web. As a partner at Thermic.

Geek and passionate software engineer, who loves Ruby, Rails and the open source world. Measuring and improving your Rails app quality. I hope you enjoy it. This entry was posted in English. A few days ago I was in CampJS, the best nerd event I ever attended.

Analyzing Markets at Scale - A Crawling Blueprint. Crawling and scraping sounds like this one-time flaky quirky work. But what kind of products or companies need this for their core offering? Price tracking and comparative websites like newegg. Market analysis and optimization companies, like SimilarWeb. Big data pipelines, aggregation and analytics.

The RubyGem which puts Ruby-centric cheat sheets right into your terminal. The inaugural blog entry is here. Cheat sheets are basically wiki pages accessible from the command line. Try to keep them concise. For a style guide, check out the cheat.