djones

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djones

brew install guetzli
cd your/images/directory
for file in **/**.jpg; do guetzli "$file" "$file"; printf '.'; done

djones

alias PhoenixTodosApi.Repo
alias PhoenixTodosApi.Todo

Repo.insert!(%Todo{title: "Create the Phoenix App", is_completed: true})
Repo.insert!(%Todo{title: "Prepare the Ember App", is_completed: false})
Repo.insert!(%Todo{title: "Ensure the Apps Work Together", is_completed: false})

djones

# Generate this migration by running:
#
#     bundle exec rails g migration add_handoff_to_spree_orders handoff:string
#     bundle exec rake db:migrate
#
# db/migrate/add_handoff_to_orders.rb

class AddHandoffToOrders < ActiveRecord::Migration
  def change
    add_column :spree_orders, :handoff, :string

djones

Ensure you first read http://imageoptim.com/xcode.html

Links: http://imageoptim.com - http://pngmini.com

Results when applying to Ace Rider:

(binary size)
40.4mb Xcode default
38.2mb ImageOptim
30.8mb ImageAlpha (256 colours)

djones

mkdir ~/Desktop/screenshots
defaults write com.apple.screencapture location ~/Desktop/screenshots

# Log out and in again for it to take effect

djones

# Standard Grape API setup on a user model which uses ActiveRecord like the Rails example above.
# Goliath running in production mode.
# MySQL used for the database.
# Result: 1203.6 avg replies/s (with stddev 5.2)

 $ httperf --server=localhost --port=9000 --uri=/users/1.json --num-conns=20 --num-calls=2000
httperf --client=0/1 --server=localhost --port=9000 --uri=/users/1.json --send-buffer=4096 --recv-buffer=16384 --num-conns=20 --num-calls=2000
httperf: warning: open file limit > FD_SETSIZE; limiting max. # of open files to FD_SETSIZE
Maximum connect burst length: 1

djones

#!/usr/bin/env ruby

# gem install grape --pre

# http://localhost:9000/hello.json
# => {"hello":"world"}

$:<< '../lib' << 'lib'

require 'goliath'

djones

# Sudocode on how I would like grape to work with Goliath
# http://localhost:9000/randomuser #=> random user in json

require 'goliath'
require 'grape'
require 'em-synchrony/activerecord'

class User < ActiveRecord::Base
end

djones

# Do you hydrate or dehydrate your body when having a coffee?

# Constants based on references below
MG_OF_CAFFEINE_PER_SHOT  = 77  # mg
SHOT_VOLUME              = 44  # ml
WATER_PERCENT_IN_MILK    = 87  # %
WATER_LOSS_FROM_CAFFEINE = 1.17 # ml/mg

# number_of_shots : standard single shot
# size_of_cup     : in ml