cpursley

PostgreSQL is Enough

• Simplify: move code into database functions
• Just Use Postgres for Everything
• Just use Postgres
• PostgreSQL is the worlds’ best database
• Postgres is eating the database world
• Hacker News discussion

Background and Cron Jobs

virattt

bmaupin

ⓘ This list is not meant to be exhaustive and is not guaranteed to be maintained. See the comments for updates and alternative options.

(Items in bold indicate possible concerns)

	Keycloak	WSO2 Identity Server	Gluu	CAS	OpenAM	Shibboleth IdP
OpenID Connect/OAuth support	yes	yes	yes	yes	yes	yes
Multi-factor authentication	yes	yes	yes	yes	yes	yes
Admin UI	yes	yes	yes	yes	yes	no
OpenJDK support	yes	yes	partial²	yes

dinatih

# config/initializers/activestorage.rb
Rails.application.config.to_prepare do
  # Provides the class-level DSL for declaring that an Active Record model has attached blobs.
  ActiveStorage::Attached::Macros.module_eval do
    def has_one_attached(name, dependent: :purge_later, acl: :private)
      class_eval <<-CODE, __FILE__, __LINE__ + 1
        def #{name}
          @active_storage_attached_#{name} ||= ActiveStorage::Attached::One.new("#{name}", self, dependent: #{dependent == :purge_later ? ":purge_later" : "false"}, acl: "#{acl}")
        end

alexellis

#!/bin/sh

sudo apt-get update \
  && sudo apt-get install -qy docker.io
  
sudo apt-get update \
  && sudo apt-get install -y apt-transport-https \
  && curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -

aurbano

source "https://rubygems.org"

gem "octokit"
gem "nokogiri"
gem "json"

nrollr

Install MySQL on macOS Sierra

This procedure explains how to install MySQL using Homebrew on macOS Sierra 10.12

Install Homebrew

• Installing Homebrew is effortless, open Terminal and enter :
  $ /usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
• Note: Homebrew will download and install Command Line Tools for Xcode 8.0 as part of the installation process.

Install MySQL

At this time of writing, Homebrew has MySQL version 5.7.15 as default formulae in its main repository :

lfender6445

Pry Cheat Sheet

• Youtube Tutorial 2013

Command Line

• pry -r ./config/app_init_file.rb - load your app into a pry session (look at the file loaded by config.ru)
• pry -r ./config/environment.rb - load your rails into a pry session

Debugger

willurd

Each of these commands will run an ad hoc http static server in your current (or specified) directory, available at http://localhost:8000. Use this power wisely.

Discussion on reddit.

Python 2.x

$ python -m SimpleHTTPServer 8000

daraosn

## Hack to connect multiple Parrot AR Drones.
#############################################
## Instructions:
##  1. Connect to your AR Drone wifi network.
##  2. Open your terminal and do 'telnet 192.168.1.1'
##  3. Copy the script and replace DRONE_ID with the desired ID number (between 3-255).
##  4. Paste and run the script for every drone on the swarm.

DRONE_ID=200
sed -i "s/PROBE=1/PROBE=${DRONE_ID}/" /bin/wifi_setup.sh