Tutorials
A Rubyist's Introduction to Character Encoding, Unicode and UTF-8
It's very likely that you've seen a Ruby exception like UndefinedConversionError or IncompatibleCharacterEncodings. It's less likely that you've understood what the exception means. This article will help. You'll learn how character encodings work...
How to Perform Concurrent HTTP Requests in Ruby and Rails
Let’s start by describing what’s a blocking I/O. Long story short, any operation that does not directly use the CPU cycles from its thread, but instead delegates the work to external processes is a blocking I/O. Typical examples in the context of ...