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@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 = () => {
@scottharvey
scottharvey / stimulus.md
Last active October 8, 2021 19:57 — forked from mrmartineau/stimulus.md
Stimulus cheatsheet
@mrmartineau
mrmartineau / stimulus.md
Last active April 9, 2025 15:37
Stimulus cheatsheet
@jazzytomato
jazzytomato / mock_env.rb
Last active August 29, 2024 13:18
Simple method to mock environment variable in ruby with minitest or other testing framework
# in test_helper.rb (for example)
def mock_env(partial_env_hash)
old = ENV.to_hash
ENV.update partial_env_hash
begin
yield
ensure
ENV.replace old
end
end
@giannisp
giannisp / gist:ebaca117ac9e44231421f04e7796d5ca
Last active July 14, 2024 18:27
Upgrade PostgreSQL 9.6.5 to 10.0 using Homebrew (macOS)
After automatically updating Postgres to 10.0 via Homebrew, the pg_ctl start command didn't work.
The error was "The data directory was initialized by PostgreSQL version 9.6, which is not compatible with this version 10.0."
Database files have to be updated before starting the server, here are the steps that had to be followed:
# need to have both 9.6.x and latest 10.0 installed, and keep 10.0 as default
brew unlink postgresql
brew install [email protected]
brew unlink [email protected]
brew link postgresql
@pablopaul
pablopaul / deploy.rb
Last active February 5, 2019 19:19 — forked from cannikin/deploy.rb
Notify Sentry of a new release via Capistrano with Auth Token
# This task will notify Sentry via their API[1] that you have deployed
# a new release. It uses the release timestamp as the `version`
# (like 20151113182847) and the git ref as the optional `ref` value.
#
# This task requires several environment variables be set (or just
# hardcode the values in here if you like living on the edge):
#
# ENV['SENTRY_API_ENDPOINT'] : API endpoint, https://app.getsentry.com
# ENV['SENTRY_ORG'] : the organization for this app
# ENV['SENTRY_PROJECT'] : the project for this app
@benbonnet
benbonnet / nginx_source_pagespeed_passenger_ubuntu.md
Last active March 9, 2021 16:39
nginx from source with pagespeed and passenger on ubuntu 16.04 and above
sudo apt-get -y update
sudo apt-get install -y build-essential libcurl4-openssl-dev unzip software-properties-common git libpcre3-dev libpcre3

adding zlib, openssl and pcre

cd && mkdir sources && cd sources
wget https://downloads.sourceforge.net/project/pcre/pcre/8.41/pcre-8.41.tar.gz && tar xzvf pcre-8.41.tar.gz
@vasansr
vasansr / aws_create_users_ubuntu.sh
Last active April 3, 2025 12:14
AWS User Data Script to create users when launching an Ubuntu server EC2 instance
#!/bin/bash
#
# Initial script to create users when launching an Ubuntu server EC2 instance
#
declare -A USERKEY
#
# Create one entry for every user who needs access. Be sure to change the key to their
@aaronhoffman
aaronhoffman / pre-commit
Created April 14, 2017 15:25
git hooks - prevent commit to local master branch and prevent push to remote master branch
#!/bin/sh
# prevent commit to local master branch
branch=`git symbolic-ref HEAD`
if [ "$branch" = "refs/heads/master" ]; then
echo "pre-commit hook: Can not commit to the local master branch."
exit 1
fi
exit 0
@iloveitaly
iloveitaly / capybara_fill_stripe_elements.rb
Created March 4, 2017 21:21
Fill in a Stripe Elements (https://stripe.com/docs/elements) credit card field using capybara
def fill_stripe_elements(card)
using_wait_time(15) { within_frame('stripeField_card_element0') do
card.to_s.chars.each do |piece|
find_field('cardnumber').send_keys(piece)
end
find_field('exp-date').send_keys("0122")
find_field('cvc').send_keys '123'
find_field('postal').send_keys '19335'
end }