Charles FD freiden

Setting up and installing rbenv, ruby-build, rubies, rbenv-gemset, and bundler

This guide enables you to install (ruby-build) and use (rbenv) multiple versions of ruby, isolate project gems (gemsets and/or bundler), and automatically use appropriate combinations of rubies and gems.

TL;DR Demo

# Ensure system is in ship-shape.

aptitude install git zsh libssl-dev zlib1g-dev libreadline-dev libyaml-dev

Speed up integration tests in Rails 5 app

Rails 5 recompiles templates on every request in test env. Fix will be released only in 5.0.2.

Add this lines to test helper to get the performance now (I've got x2 improvement):

class << ActionView::LookupContext::DetailsKey
 def clear

1/ Install Docker for Mac through DMG

2/ Install minikube with Homebrew:

brew cask install minikube

3/ Install kubernetes-cli with Homebrew:

brew install kubectl

4/ Install xhyve driver:

brew install docker-machine-driver-xhyve

I'm hunting for the best solution on how to handle keeping large sets of DB records "sorted" in a performant manner.

Problem Description

Most of us have work on projects at some point where we have needed to have ordered lists of objects. Whether it be a to-do list sorted by priority, or a list of documents that a user can sort in whatever order they want.

A traditional approach for this on a Rails project is to use something like the acts_as_list gem, or something similar. These systems typically add some sort of "postion" or "sort order" column to each record, which is then used when querying out the records in a traditional order by position SQL query.

This approach seems to work fine for smaller datasets, but can be hard to manage on large data sets with hundreds (or thousands) of records needing to be sorted. Changing the sort position of even a single object will require updating every single record in the database that is in the same sort group. This requires potentially thousands of wri

Project documentation

The project documentation (stored in the docs directory) is a git subtree of the project wiki. This allows for the documentation to be referenced and edited from within the main project.

Initial local setup

When cloning the main project repository for the first time, the wiki repository must be added as a remote.

git remote add wiki https://github.com//.wiki.git

	HTTP status code symbols for Rails

	Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

	Status Code Symbol
	1xx Informational
	100 :continue
	101 :switching_protocols
	102 :processing

	# First the end result of what we want:

	class Foo
	before_hook :whoa
	before_hook :amazing

	def test
	puts "This is kinda cool!"
	end

	class RouteRecognizer
	attr_reader :paths

	# To use this inside your app, call:
	# `RouteRecognizer.new.initial_path_segments`
	# This returns an array, e.g.: ['assets','blog','team','faq','users']

	INITIAL_SEGMENT_REGEX = %r{^\/([^\/\(:]+)}

	def initialize