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@dhh
dhh / Gemfile
Created June 24, 2020 22:23
HEY's Gemfile
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
@dbridges
dbridges / _comment.html.slim
Last active August 25, 2022 18:51
Stimulus.js and Rails remote forms with error handling
- # app/views/comments/_comment.html.slim
li data-controller="comment" data-action="click->comment#hello"
= "#{comment.message} by #{comment.user.email}"
@hopsoft
hopsoft / prefetch.js
Last active March 4, 2025 02:01
Turbolinks Prefetching
const hoverTime = 400
const fetchers = {}
const doc = document.implementation.createHTMLDocument('prefetch')
function fetchPage (url, success) {
const xhr = new XMLHttpRequest()
xhr.open('GET', url)
xhr.setRequestHeader('VND.PREFETCH', 'true')
xhr.setRequestHeader('Accept', 'text/html')
xhr.onreadystatechange = () => {
@RobinDaugherty
RobinDaugherty / circle.yml
Created August 7, 2017 18:05
CircleCI 2.0 conversion for Rails app with staging and production deployed to Flynn cluster
dependencies:
post:
- gem install circleci_deployment_notifier
deployment:
staging:
branch: master
owner: omniboard
commands:
- git fetch --unshallow || true
- echo $CIRCLE_SHA1 > REVISION
@Mevrael
Mevrael / mysql_5.7_join_json_column_id.sql
Last active January 11, 2024 16:58
MySQL 5.7 JOIN on JSON column of IDs
# Example for MySQL 5.7 how to use JOIN on 2 tables without junction table using new JSON column type.
# Let say we have 2 tables: posts and users
# Users may like posts
# We store the IDs of users who liked each post in posts.liked column which is a JSON array
# which might have a content like "[1, 2, 5, 10]"
SELECT posts.id AS post_id, users.id AS liked_by_user_id FROM posts JOIN users ON JSON_CONTAINS(posts.liked, CAST(users.id AS CHAR))
@ebeigarts
ebeigarts / RAILS_RELATIVE_URL_ROOT.md
Last active April 27, 2025 15:31
RAILS_RELATIVE_URL_ROOT

RAILS_RELATIVE_URL_ROOT

Rails

By default RAILS_RELATIVE_URL_ROOT is used only for asset pipeline.

To namespace your rails routes you need to wrap run MyApp::Application with map in your config.ru:

map ENV['RAILS_RELATIVE_URL_ROOT'] || "/" do