roberthopman’s gists

roberthopman / bidi-example.rb

Created May 5, 2025 06:59 — forked from dieter-medium/bidi-example.rb

This proof of concept demonstrates how to generate a PDF from a local HTML file using plain Ruby and WebDriver BiDi. The script starts Chromedriver in headless mode, creates a new browsing context via BiDi, navigates to the specified local file (using a placeholder for the file path), and prints the page as a PDF over a WebSocket connection. No …

	#!/usr/bin/env ruby

	# see:
	# https://w3c.github.io/webdriver-bidi/#command-browsingContext-print
	# https://chromedevtools.github.io/devtools-protocol/tot/Page/#method-printToPDF
	# https://github.com/GoogleChromeLabs/chromium-bidi/blob/main/examples/print_example.py
	# https://github.com/GoogleChromeLabs/chromium-bidi/blob/main/examples/_helpers.py


	require 'net/http'

roberthopman / routes_to_csv.rb

Last active March 25, 2025 19:19 — forked from adamdullenty/routes_csv.rake

copy paste rails routes to csv

	# Add as Rake task or Rails console

	class CSVFormatter
	def initialize
	@buffer = []
	end

	def result
	@buffer.join("\n")
	end

roberthopman / system-wide-clipboard.zsh

Created May 5, 2024 15:58 — forked from welldan97/system-wide-clipboard.zsh

Zsh copy & paste system wide for OS X, like in emacs

	pb-kill-line () {
	zle kill-line
	echo -n $CUTBUFFER \| pbcopy
	}

	pb-kill-whole-line () {
	zle kill-whole-line
	echo -n $CUTBUFFER \| pbcopy
	}

roberthopman / 0. Ruby Meta Programming - spells covered.md

Created April 7, 2024 16:33 — forked from Integralist/0. Ruby Meta Programming - spells covered.md

Ruby Meta Programming

Dynamic Dispatch
Dynamic Method
Ghost Methods
Dynamic Proxies
Blank Slate
Kernel Method
Flattening the Scope (aka Nested Lexical Scopes)
Context Probe
Class Eval (not really a 'spell' more just a demonstration of its usage)
Class Macros

roberthopman / quick_configurable_tags.md

Last active June 29, 2023 11:18

Step 1: add a migration, assuming usage of ActsAsTaggableOn - though any Tag model would work.

Adding :archived_at as bonus...

# frozen_string_literal: true

class CreateTagSettings < ActiveRecord::Migration[6.1]
  def change
 create_table :tag_settings do |t|

roberthopman / script.sh

Created June 11, 2023 09:29 — forked from vielhuber/script.sh

PostgreSQL: Backup and restore export import pg_dump with password on command line #sql

	# best practice: linux
	nano ~/.pgpass
	:5432::username:password
	chmod 0600 ~/.pgpass

	# best practice: windows
	edit %APPDATA%\postgresql\pgpass.conf
	:5432::username:password

	# linux

roberthopman / copy_paste_table_to_spreadsheet.js

Created January 11, 2022 16:26

	// optimized for rails
	document.addEventListener("turbolinks:load", () => {
	$('[data-toggle="tooltip"]').tooltip()
	$('[data-toggle="popover"]').popover()

	if (document.querySelector('#target-btn')) {
	// start of the actual copy paste action
	document.querySelector('#target-btn').addEventListener("click", (event) => {
	var el = document.getElementById("target-table");
	var body = document.body, range, sel;

roberthopman / Selenium Cheat Sheet.md

Created February 7, 2021 16:42 — forked from kenrett/Selenium Cheat Sheet.md

Selenium Cheat Sheet - Ruby

#Getting Started

##Webpage:

<html>
<head>
    <title>Testing with Ruby and Selenium WebDriver</title>
</head>
 
<body bgcolor="antiquewhite">

roberthopman / capybara cheat sheet

Created November 4, 2020 10:33 — forked from zhengjia/capybara cheat sheet

capybara cheat sheet

	=Navigating=
	visit('/projects')
	visit(post_comments_path(post))

	=Clicking links and buttons=
	click_link('id-of-link')
	click_link('Link Text')
	click_button('Save')
	click('Link Text') # Click either a link or a button
	click('Button Value')

roberthopman / csv_import_to_migration.rb

Created May 9, 2020 19:05

	require 'csv'

	namespace :csv do
	desc "generates a migration file from column names from the CSV headers"
	task create_migration: :environment do
	def headers_from_CSV (filename)
	csv_header_array = CSV.read(filename, headers: true).headers
	return csv_header_array.map { \|col_a\| col_a.strip.downcase.gsub(' ', '_').gsub('.', '_') }
	end

Robert Hopman roberthopman