JoshCheek

def bookmarkletify(js)
  'javascript:' + js.lines.map(&:strip).join(';')
end

puts bookmarkletify <<~JS
([...document.querySelectorAll('.discussion-post')].forEach(discussion => {
  let top    = discussion.getBoundingClientRect().top
  let bottom = discussion.querySelector('.comment-body.markdown-body.js-comment-body').getBoundingClientRect().top
  discussion.style.height = `${bottom - top}px`
  discussion.style.overflow = 'hidden'

JoshCheek

# https://twitter.com/josh_cheek/status/1020504489302904834
# This version is slightly different from what's in the tweet,
# I like the spacing better, it feels more smooth to me.
ruby -e'
r,w,n="\e[41m ","\e[47m ",13
print r,"\e[H\e[2J\n"
9.times{|i|
  j=(13-i*1.6).to_i
  k=n-j
  print r,r*j,w*k,r,w*j,r*3,w*2*k,w*2,r*3,w*j,r,w*k,"\n"

JoshCheek

# Something I thought of at 25:06 in this talk: https://www.youtube.com/watch?time_continue=1&v=FDs-sSxo2iY
class If
  def initialize(condition)
    @condition = condition
  end
  def then(result)
    @condition.then result
  end
  def inspect
    "<if #{@condition.inspect}>"

JoshCheek

// I *think* this is what he was asking for?
// https://twitter.com/trevorbrindlejs/status/1019357853709225984

const treesolve = tree =>
  Object.keys(tree).reduce((promise, key) =>
    promise.then(newTree =>
      (tree[key].then ? tree[key] : treesolve(tree[key]))
      .then(value => ({...newTree, [key]: value}))
    ),
    Promise.resolve({})

JoshCheek

class Human {
  constructor(name) {
    this.name = name
  }
  greet(name) {
    console.log(`Hi, ${name}, I'm ${this.name}!`)
  }
}

Human = new Proxy(Human, {

JoshCheek

module MahAssertions
  refine BasicObject do
    def is(val)
      return true if self == val
      ::Kernel.raise RSpec::Expectations::ExpectationNotMetError, "#{inspect} is not #{val.inspect}", caller
    end
  end
end

require 'rspec/autorun'

JoshCheek

# I wrote the below code to verify the results of this video:
# https://www.youtube.com/watch?v=99stb2mzspI&t=399s
# Since you think "`if` statement is always a sign of a design flaw. Period",
# rewrite it without `if` statements in a way that's better (note that `unless <condition>` is `if !<condition>`).

require 'prime'
born = 2184
1.upto 200 do |age|
  year   = born + age
  bases, powers = year.prime_division.transpose

JoshCheek

require 'active_record'
ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'

ActiveRecord::Schema.define do
  self.verbose = false  
  create_table(:users) { |t| t.string :name }
end

class User < ActiveRecord::Base
  after_save :append_context

JoshCheek

GO LANG NOTES
=============

resources:
  https://www.youtube.com/watch?v=XCsL89YtqCs   good 5 min vid on binaries/packages/testing
  http://golang.org/doc/code.html               html version of the above
  https://golang.org                            language
  https://golang.org/doc                        documentation
  https://speakerdeck.com/elliott5/write-your-own-go-compiler write your own go compiler

JoshCheek

# SETUP DB
require 'active_record'
ActiveRecord::Base.establish_connection adapter: 'sqlite3', database: ':memory:'

# SCHEMA
ActiveRecord::Schema.define do
  self.verbose = false
  create_table :users do |t|
    t.string :name
    t.timestamps