forsbergplustwo

Generating PDFs in Ruby, using Ferrum gem on Heroku

by Bjorn Forsberg

Ferrum is a pure Ruby gem, providing a high-level API to control Chrome, which runs headless by default. Ferrum is a great alternative to Node's Puppeteer library, which is a pain to use with Ruby and Heroku.

Ferrum can be used for any browser scripting work, as well as for generating screenshots and PDFs. We use it mainly for PDF generation, hosted on Heroku, and the setup flow goes like this:

1. Add Chromium locally if not already done: brew install chromium

zakariaf

Rails 7 new features. Before and After

• Add ComparisonValidator
• PostgreSQL generated columns
• PostgreSQL custom enum types
• Add tracking of belongs_to association
• association_previously_changed? method
• Add invert_where method
• Add associated method
• Add missing method
• Active Record Encryption

IanColdwater

Mute these words in your settings here: https://twitter.com/settings/muted_keywords

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alexlee-gk

#Install blender as a module with python 3.5 and pyenv

Tested on Ubuntu 14.04.

Setting up a new python environment using pyenv

Follow instructions from here.

Installing boost

Follow instructions from here.

obfusk

import code; code.interact(local=dict(globals(), **locals()))

eliotsykes

require 'rails_helper'

RSpec.describe TodosController, :type => :controller do

  describe "GET #index" do
  #describe "POST #create" do
  #describe "GET #show" do
  #describe "PATCH #update" do (or PUT #update)
  #describe "DELETE #destroy" do
  #describe "GET #new" do

SabretWoW

# This is a skeleton for testing models including examples of validations, callbacks,
# scopes, instance & class methods, associations, and more.
# Pick and choose what you want, as all models don't NEED to be tested at this depth.
#
# I'm always eager to hear new tips & suggestions as I'm still new to testing,
# so if you have any, please share!
#
# @kyletcarlson
#
# This skeleton also assumes you're using the following gems: 

IanVaughan

#!/usr/bin/env bash

uninstall() {
  list=`gem list --no-versions`
  for gem in $list; do
    gem uninstall $gem -aIx
  done
  gem list
  gem install bundler
}