Rails 7. StartKit. Release 1.0

Rails 7. StartKit. It is dockerized Rails app which can be run in 3 steps in some minutes. Most popular preinstalled tools help you to save time to start your experiments with Rails. Great for beginners, helpful even for professionals. Release 1.0

Rails 7.1 allows using aliased attributes with insert_all/upsert_all

Tonic 🍸- New release with filtering by query string

A new version v0.10.0 of Tonic has been released! It essentially includes a new cool and useful feature: allow to filter by URL parameteres (query string), so you can easily share your custom filtering, by just passing the URL: [more inside]

Normalizing Attributes in Rails 7.1 using ActiveRecord::Base::normalizes

Evaluating More Coverage in Ruby 3.2

Ruby’s Coverage module can now measure coverage of eval. Let’s explore how it works and why it’s important. [more inside]

ethers gem - Rails-Like All-In-One Umbrella For Ethereum & Co.

Hello, to make it easier to get started with blockchain (contract) programming in ruby - and inspired by the rails gem - I put together the ethers gem - a “high-level” all-in-one umbrella quick starter gem for easy installation & usage for ethereum & co. (blockchain) contract services that for now bundles crypto-lite, etherlite, etherlite-contracts, ethname, etherscan-lite, abidoc, abigen, & some more gems. The ethers name is inspired by ethers.js (or ethers.rs) and let’s you use ‘require ‘ethers’ in rubyland or ‘gem install ethers’ to get started. Anyways, it’s the early days in crypto winter 2022/23. Happy blockchain (contract) programming with ruby. Questions and comments welcome. Cheers. Prost.

abigen gem - Application Binary Interface (ABI) Contract Generator for Ruby

Hello, in the ongoing crypto winter ethereum & co. programming series I put together some more gems. The new abigen gem lets you generate ready-to-use (blockchain) contract services / function calls for ethereum & co. via application binary inferfaces (abis). Bonus: Via the new natspec gem you can even “auto-include” nat(ural) spec(ification) comments / documentation in the generated ruby code. See the pre-packaged auto-generated ruby classes in the ethlite-contracts gem, for some first real-world samples.

Summary of Advent of Code 2022

I wrote a tiny summary of last Advent of Code, lessons learned, which puzzles turned out to be challenging and so on. I also posted all my solutions in Ruby with explanations. You can check them out, either to see how to solve them or to compare with yours and share feedback.

Rails 7.1 - Raises on assignment to readonly attributes

I have published a micro-blog on the Rails 7.1 - Raises on assignment to readonly attributes. [more inside]

How to create a Rails gem from your existing code

- A step-by-step tutorial on how to create and publish a Rails gem from your pre-existing code.

Glimmer DSL for LibUI Table Lazy Loading

Glimmer DSL for LibUI 0.6.1 has been released with support for table lazy loading via Enumerator (or Enumerator::Lazy). As a result, the table control can now handle millions of rows and renders instantly without waiting for all data to be loaded given that it is loaded lazily as the user scrolls through the table. That enables applications with a lot of data to start instantly. A new example, Lazy Table, has been included to demonstrate table lazy loading.

Create a Business Language for a Rails Application

Build and parse a programming language to extend your Rails application’s functionality:

What's new in Ruby 3.2

Ruby 3.2 was released on Christmas day, and I’ve been playing around with its new features. The highlights this year are the performance gains from YJIT, WebAssembly support, faster regular expressions, and a new way to define immutable value objects, [more inside]

Rails adds the ability to ignore tables in SQL schema dumps via regular expressions

Advanced CLI tools with Ruby and dry-cli! | Hanami Mastery #37

Utility scripts in Ruby can be very powerful, but also very messy. In this episode I showcase dry-cli, to help you maintain advanced ruby CLI progarms. [more inside]

How to bundle assets in a Rails engine

Load, parse, compile, and serve assets efficiently in a Rails Engine. [more inside]

Punch Code Generator. Frame for designing business logic with The Clean Architecture

If you find a solution for how to pack your business logic you can have a look at Punch. Its basic idea is to provide a clean robust frame for domain business logic and bring efficiency to the design process. [more inside]

hexutils gem - Hex Encode / Decode Helpers; From Hex String to Bin(ary) String & Back

Hello, a new addition in the ongoing If I Were ~~King~~ Matz (aka Yukihiro Matsumoto) - Ideas For Ruby 4.0 - What’s Broken & Missing in Ruby 3.x and How To Fix It series I published a first version of the hexutils gem that adds the missing hex(adecimal) encode / decode helpers to String, NilClass, Kernel & Co. that get you from hex(adecimal) string to bin(ary) string and back. Happy wrangling with bits & bytes in ruby. Cheers. Prost. As always questions and comments welcome.

Simon Wardley on Improving Business With Maps

Learn how to use maps to change a business position or strategy, represent possible scenarios or options, and improve decision-making. [more inside]

Easy to Overlook Way to Break Eager Loading in Rails Apps

In theory, configuring eager loading to avoid N+1 issues is straightforward. Chaining includes method is usually enough to ensure that all the relations data is fetched efficiently. However, this rule breaks for some easy-to-overlook edge cases. In this blog post, I’ll describe how to eager load ActiveRecord relations using custom SQL ORDER BY sorting. [more inside]

Advanced Applicative Programming in Ruby

This time we discuss applicative lists, parsers and traversables. Read more here

Adding tests to an existing project

I wrote a blog post about how I’ve added tests to a gem I recently built without writing any tests initially: [more inside]

Awesome Ruby blogs

Hello everyone! 👋 I’m happy to share with you an updated list of ruby and rails blogs. [more inside]

Rails 7 on Docker. (PgSQL + Redis + Sidekiq + Sphinx)

Ready to go Rails Playground with some popular preinstalled and set up tools and services. Clone and run bin/setup. Rails App will be ready to develop in minutes. Rails 7 on Docker

Using Nebula TextAssist from Glimmer DSL for SWT

Recently, I received a support request concerning Glimmer DSL for SWT (JRuby Desktop Development GUI Framework) and the use of Nebula Custom Widgets, specifically the text_assist widget (auto-complete text field). For a quick background about Nebula, it is a collection of 55+ enterprise-grade high-quality SWT (Standard Widget Toolkit) custom widgets, including a progress circle, a password revealer, and an oscilloscope. Thanks to Glimmer DSL for SWT, they are usable from Ruby.