Ruby & the Multicore CPU: Part Three - Processes and Threads

You can see all these code examples on github Multiple processes The simplest form of parallel processing is to simply create more processes. The OS will deal with spreading the processing across...

28 Apr 2020

Ruby & the Multicore CPU: Part Two - Ruby up to 2.7

MRI Ruby When ruby was conceived, multi-core CPUs weren’t at the forefront of a language designer’s mind. Subsequently, the ruby virtual machine was developed as a single process, single threaded ...

25 Apr 2020

Ruby & the Multicore CPU: Part One - Introduction

I’m a big fan of both ruby and elixir. For quite some time, one perceived weakness of ruby has been its inability to make best use of multiple cores in modern CPUs. When Matz published the first v...

24 Apr 2020

Ruby 2.7 Notes

Here are some of the biggest changes coming out Ruby 2.7

02 Feb 2020

Keeping Code Up To Date

Writing an application really is the start of your problems! Once in production, you need to monitor and maintain it, ensure that it stays secure and fix bugs.

20 Jan 2020

Google-Fu: My RSpec script test is failing!

Is RSpec failing when you try to test a script with RSpec via the system command? Here, for the benefit of any googlers who who can’t get their ruby script working properly, is a possible fix to yo...

22 Dec 2019

Linux Distributions

Every linux distribution has advantages and disadvantages, depending on the use case they were created for. The most significant differences will come from the bootloader, init system, display rend...

22 Apr 2019