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mars / set_default_host.rb
Created August 17, 2023 20:10
Rails unified host override for use with apps behind a CDN (Rack middleware, supports OmniAuth)
# Rack middleware that reads environment variable HOST (value such as:
# to override request Host headers, forcing the app to use this value for URLs & redirects.
# If env var HOST is unset, then this middleware does nothing.
# Useful for when a Rails app is the origin behind a CDN/proxy, so that all generated
# URLs point to the canonical hostname of the CDN, and not the origin itself.
# For a Rails app,
# - save this file in config/initializers/set_default_host.rb
mars / await-url-response.bash
Created January 3, 2022 22:34
Await a URL returning a specific response status, like 200
set -u
echo "Checking for response status ${1} from URL: ${2}"
while true
response_status="$(curl -s -o /dev/null -w "%{http_code}" "${2}")"
if [ "$response_status" == "${1}" ]
mars / foo.rb
Created June 27, 2018 23:09 — forked from mtsmfm/foo.rb
convert from json hyper schema to swagger spec
require 'yaml'
require 'pathname'
require 'active_support/all'
def convert(f)
filename =
yaml = YAML.load_file(filename)
name = filename.basename('.yml').to_s
File.write(filename, {
mars / heroku-buildpack-tips.markdown
Created August 9, 2016 05:42
Tips for authoring Heroku buildpacks
mars /
Created July 29, 2016 01:12
Create a React app & deploy to Heroku
## Global install of the app generator
npm install -g create-react-app
## Setup the app (first-time only)
create-react-app my-app
cd my-app
git init
# Create the Heroku app; requires free account at
heroku create -b
#!/usr/bin/env bash
# Fail immediately on non-zero exit code.
set -e
# Fail immediately on non-zero exit code within a pipeline.
set -o pipefail
# Fail on undeclared variables.
set -u
# Debug, echo every command
#set -x
Action & Adventure based on a book from the 1960s (4082)
Action & Adventure based on a book from the 1970s (2410)
Action & Adventure based on a book from the 1980s (704)
Action & Adventure based on real life from the 1980s (1051)
Action & Adventure directed by Andrew V. McLaglen (2282)
Action & Adventure directed by Cirio H. Santiago (4323)
Action & Adventure directed by Clint Eastwood (4998)
Action & Adventure directed by Corey Yuen (291)
Action & Adventure directed by George Archainbaud (3183)
Action & Adventure directed by George Sherman (3198)
mars /
Last active December 19, 2019 22:26 — forked from Micka33/
Cassandra on Mac OS X

Installing Cassandra on Mac OS X

Install Homebrew

Homebrew is a great little package manager for OS X. If you haven't already, installing it is pretty easy:

ruby -e "$(curl -fsSL"
mars / reactjs-filepicker.js
Last active March 8, 2018 05:09
Use with React.js (v0.14, ES2015, & JSX)
Filepicker lib must be loaded from script tag in HTML:
<script type="text/javascript" src="//"></script>
class FilepickerInput extends React.Component {
componentDidMount() {
const filepickerElement = this.refs.filepicker;
if (typeof filepicker !== 'undefined') {
// Single-page app integration:
mars / react-router-1.0.0-pass-router-in-props.js
Created August 27, 2015 22:20
Pass the `router` instance down to Route children; React 0.13.3, React Router 1.0.0beta-4, ES2015, ES6
import React from 'react';
// Top-level Route component receives the router in context and passes it onto each child's props
export default class AppView extends React.Component {
render() {
return (
<div className="container">
// Add `props.router` to each route component, c => {