LittleCodingKata

A standardised way to write comments that are easy to grok and grep.

Book notes - Seven More Languages in Seven Weeks: Languages That Are Shaping the Future, by Bruce A.

Book notes - Seven Languages in Seven Weeks: A Pragmatic Guide to Learning Programming Languages, by Bruce A.

Using ruby to split strings into chunks of specified widths; cassidoo's interview question of the week (2025-10-20).

Using the singleton pattern in Ruby

Book notes - Design Patterns: Elements of Reusable Object-Oriented Software by Erich Gamma, Grady Booch, Richard Helm, Ralph Johnson, John Vlissides

Book notes - Design Patterns in Ruby by Russ Olsen

Using Context7 MCP Server with VSCode and GitHub Copilot to improve code generation quality.

Using rust to format CSV data for printing; cassidoo's interview question of the week (2025-10-13).

Using ruby to group data in 10-minute buckets; cassidoo's interview question of the week (2025-10-06).

Comparing all the various ways of parsing command line arguments with the Ruby standard library.

A quick review and test drive of Gamma AI for content generation for presentation, website, social media posts, etc.

A quick review and test drive of BetterImage, an AI image upscaler.

A quick review and test drive of KlingAI for image and video generation.

A quick review and test drive of recraft.ai for image generation and editing

A quick review and test drive of Flux AI creative solution including image generation

A quick review and test drive of ideogram.ai text to image model.

A quick review and test drive of Google's NotebookLM research and writing assistant.

Using rust to calculate the hyper-factorial of a non-negative integer; cassidoo's interview question of the week (2025-09-29)

Build and update the snake game example from Rust lang: The complete beginner's guide, learning about making GUI applications with PistonWindow and Rust.

A quick review and test drive of Base44 AI-powered app builder and hosting solution.

Build and update the CLI chat example from Rust lang: The complete beginner's guide, learning about making client-server network programs with Rust.

Using rust to classify perfect, deficient, and abundant numbers; cassidoo's interview question of the week (2025-09-22)

Using rust to analyze a baseball game; cassidoo's interview question of the week (2025-09-15).

About Ruby 3.4 including installation on Apple Silicon.

Using ruby to solve the array accumulation problem; cassidoo's interview question of the week (2025-09-08)

About the Developer Certificate of Origin and how to support it with git

Quick review of the shell gem for ruby

Modern alternatives to the old growl notification system for ruby programming on macOS: osascript, terminal-notifier

An article about REXX, published in EDM/2 The Electronic Developer Magazine for OS/2, March 1995, Volume 3 Issue 3.

Book notes - The Ruby Way, by Hal Fulton.

Reviewing common file operations with ruby

Reviewing common file operations with rust

Using rust to implement a generator for a laundry object; cassidoo's interview question of the week (2025-08-11).

Using rust to organise songs into playlists; cassidoo's interview question of the week (2025-08-11).

A quick look at the color gem: a Ruby library used to represent colors in a range of color models and offer color space manipulation support to applications that require it.

Tiktokenizer is a playground for simulating and visualising the tokenization performed by various LLMs.

Tracking some of the main AI leaderboards

Using ruby to solve the keyboard assembly problem; cassidoo's interview question of the week (2025-07-21).

AI training and tutorials (mainly free)

Ever have a bunch of files (like screenshots) that you want to give a standardised, sequential name and possibly generate a markdown link?

Using ruby to find the best fireworks grand finale; cassidoo's interview question of the week (2025-07-06).

All about rsync - a fast, versatile, local and remote file-copying tool

Using ruby to return the last non-repeating character in a string; cassidoo's interview question of the week (2025-06-30).

A little script that can standardise the naming of a set of folders to kebab-case, snake_case, or CamelCase

Cassidy Williams recently featured a ruby coding challenge that spurred a lively discussion of algorithms, and a general marvelling at the loveliness of ruby's Enumerable class.

Options for serial communications in Ruby as they stand in 2025

GNU Screen is a terminal multiplexer that can also be used as a general serial console

The ultimate repository of sheets and quick references meticulously crafted by the open community boost your productivity

Book notes - Object Oriented Modeling And Design by James Rumbaugh, Michael R.