Upload video files with progress bar using Rails, Paperclip and Javascript
Rails does not help much when dealing with AJAX uploads by means of external JS libraries. I recently came across a case where a user …
Understanding the Resque internals – Resque::DirtyExit unveiled
If your Resque jobs fail because of a mysterious Resque::DirtyExit a quick tour of the Resque internals will help you fix the issue and be back up …
Bringing Ruby fetch to the Javascript world
If you are a Rubyist you are probably comfortable using the fetch method on a day-to-day basis but when you are developing in Javascript this sweetness …
Refactoring a complex Javascript calendar
Frontend components are hard to implement and more often than not the code reflects this complexity. In this blog post I will show you how …
A journey through a Web App optimization session
Fast web apps are beautiful to use and are one of the key requirements for a successful user experience. Not only, if you are running …
Compute property recommendations: A collaborative filtering approach
In this blog post I’ll show how to build a simple recommendation engine for apartments. What are the possible design choices, how to implement them …