cpursley

PostgreSQL is Enough

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

Background and Cron Jobs

borama

#!/bin/env ruby
#
# Collects info about the age of all gems in the project
#
require "json"
require "date"

bundle = `bundle list`

yearly_stats = {}

gajus

The issue:

..mobile browsers will wait approximately 300ms from the time that you tap the button to fire the click event. The reason for this is that the browser is waiting to see if you are actually performing a double tap.

(from a new defunct https://developers.google.com/mobile/articles/fast_buttons article)

touch-action CSS property can be used to disable this behaviour.

touch-action: manipulation The user agent may consider touches that begin on the element only for the purposes of scrolling and continuous zooming. Any additional behaviors supported by auto are out of scope for this specification.

nateberkopec

# gem 'rails'
gem "activerecord"
gem "actionpack"
gem "actionview"
gem "actionmailer"
gem "activejob"
gem "activesupport"
gem "railties"
gem "sprockets-rails"
gem 'sqlite3'

seapy

RailsConf 2015 Schedule

RailsConf 2015 Room 202 Day 1

• Opening Keynote - DHH
• Prying Open The Black Box - Godfrey Chan
  • slide
• Riding Rails for 10 Years - John Duff
• DevOps for The Lazy - Aja Hammerly
• Docker isn’t just for deployment - Ben Dixon

drush

# Only run in server process, not console or rake tasks
if !Rails.const_defined?('Console') && !($0 =~ /rake$/) && !Rails.env.test?
  Rails.application.config.after_initialize do

    (1..2).each do |thread_id| 
      Thread.new { 
        Thread.current[:thread_name] = "DJ Web Worker Thread #{thread_id}"
        ActiveRecord::Base.connection_pool.with_connection do |conn|
          dj = Delayed::Worker.new
          Rails.logger.warn "Starting #{Thread.current[:thread_name]}"

atmos

$ rails new foo
      create  
      create  README.rdoc
...
~$ cd foo
~/foo$ git init
Initialized empty Git repository in /Users/atmos/foo/.git/
~/foo$ git add .
~/foo$ git commit -m "initial import"
[master (root-commit) c3392c9] initial import

adamwiggins

Make it real

Ideas are cheap. Make a prototype, sketch a CLI session, draw a wireframe. Discuss around concrete examples, not hand-waving abstractions. Don't say you did something, provide a URL that proves it.

Ship it

Nothing is real until it's being used by a real user. This doesn't mean you make a prototype in the morning and blog about it in the evening. It means you find one person you believe your product will help and try to get them to use it.

Do it with style

leshill

require 'spec_helper'

describe 'Jasmine suite', :js do
  def run_jasmine_tests
    visit '/jasmine'
    Timeout.timeout(10) do
      while page.has_css?('.runningAlert')
        sleep 0.25
      end
    end

toddwschneider

# you can make a text file of request times (in ms, one number per line) and import it here, or you can use a probability distribution to simulate request times (see below where setting req_durations_in_ms)
# rq = read.table("~/Downloads/request_times.txt", header=FALSE)$V1

# argument notes:
# parallel_router_count is only relevant if router_mode is set to "intelligent"
# choice_of_two, power_of_two, and unicorn_workers_per_dyno are only relevant if router_mode is set to "naive"
# you can only select one of choice_of_two, power_of_two, and unicorn_workers_per_dyno

run_simulation = function(router_mode = "naive",
                          reqs_per_minute = 9000,