Symmetrical yfkhar

Vim Manipulation Cheat Sheet

Action

Key	Result
`v`	select
`y`	copy (yank)
`c`	change
`d`	delete

Notes

This guide uses Kamal 2.5.3

Motivation

Kamal was designed with 1 service = 1 droplet/VPS in mind.
But I'm cheap and I want to be able to deploy multiple demo/poc apps apps on my $20/month dedicated server.
What the hell, I'll even host my private container registry on it.

How to add ChatGPT streaming to your Ruby on Rails 7 app!

This guide will walk you through adding a ChatGPT-like messaging stream to your Ruby on Rails 7 app using ruby-openai, Rails 7, Hotwire, Turbostream, Sidekiq and Tailwind. All code included below!

Want more content like this, for free? Check out my free book, RailsAI!

Follow me on Twitter for more Ruby AI at https://twitter.com/alexrudall
Released under the MIT License - use as you wish :)

Download VMware ISOs in this repo

Also I would happy if you visit my site with tech tips!: https://hausmer.com

All license keys and activation files have been removed in accordance with GitHub's Terms of Service.

Only official trial installers are available. Bring your own license (BYOL).

Fix 'scoped' error for Rails 4

error: undefined method 'scoped' solution:

# config/initializers/scoped.rb
class ActiveRecord::Base
  # do things the modern way and silence Rails 4 deprecation warnings
 def self.scoped(options=nil)

options ? where(nil).apply_finder_options(options, true) : where(nil)

Rails 7 new features. Before and After

Add ComparisonValidator
PostgreSQL generated columns
PostgreSQL custom enum types
Add tracking of belongs_to association
association_previously_changed? method
Add invert_where method
Add associated method
Add missing method
Active Record Encryption

About

Summarizing the instructions of the pass tool (as seen on its website).

Getting Started

Installation

Execute: $ sudo apt install pass

Deploys FreeBSD on a Hetzner cloud server

Prerequisites:

A Hetzner Cloud API Token (Pass in via APIKEY)
jq
sshpass

Usage

Replace server_id variable with your hetzner server Id

	# syntax = docker/dockerfile:1

	# Make sure RUBY_VERSION matches the Ruby version in .ruby-version and Gemfile
	ARG RUBY_VERSION=3.2.2
	FROM registry.docker.com/library/ruby:$RUBY_VERSION-slim as base

	# Rails app lives here
	WORKDIR /rails

	# Set production environment

	ruby '2.7.1'

	gem 'rails', github: 'rails/rails'
	gem 'tzinfo-data', '>= 1.2016.7' # Don't rely on OSX/Linux timezone data

	# Action Text
	gem 'actiontext', github: 'basecamp/actiontext', ref: 'okra'
	gem 'okra', github: 'basecamp/okra'

	# Drivers