I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. Here’s an excerpt from the completely new content for Chapter 4, about YJIT a...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. The content of Chapter 3, about the YARV virtual machine, hasn't changed much...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. This week's excerpt is from Chapter 2, about Ruby's compiler. Whenever I thin...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. Update: I’ve made a lot of progress so far this year. I had time to completel...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. Ruby’s garbage collection implementation is complex and confusing - yet power...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. The Ruby team has done a tremendous amount of work over the past decade on Ru...

I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while. Leave a comment or drop me a line and I'll email you when it's finished. RUM includes a series of “experiments:” simple code snippets that show eviden...

Ruby stores much of its own internal data in hash tables. I've started working on a new edition of Ruby Under a Microscope that covers Ruby 3.x. I'm working on this in my spare time, so it will take a while to finish. Leave a comment or drop me a line and I'll email you when it's finished. In the me...

Esperanto grammar is logical and self consistent, designed to be easy to learn. via Wikimedia Commons I empathize for people who have to learn English as a foreign language. English grammar is inconsistent, arbitrary and hard to master. English spelling is even worse. I sometimes find myself apologi...

Joshua Tree National Park (via: Wikimedia Commons) In my last post, I explored how Crystal parsed a simple program and produced a data structure called an abstract syntax tree (AST). But what does Crystal do with the AST? Why bother going to such lengths to create it? After Crystal parses my code, i...