sidonath

# A basic Rails-like Flash implementation built upon Lotus::Action::Session.
# Based upon Rack-flash:
# https://github.com/nakajima/rack-flash
module Flash
  def self.included(action)
    action.class_eval do
      # We rely on features provided by Lotus::Action::Session so let's include
      # it right here
      include Lotus::Action::Session

sidonath

source 'https://rubygems.org'

gem 'rake'
gem 'lotus-router'
gem 'lotus-controller'
gem 'lotus-view'

group :test do
  gem 'rspec'
  gem 'capybara'

sidonath

# register services
Application.register :session do
  SessionStore.new(store: Application.lookup(:database_store))
end

Application.register :database_store do
  # code to initialize database storage for session
end

# inject session service into every action

sidonath

Heroku Postgresql credentials retriever

WARNING: be careful what you do with this.

Installation

• Create a scripts directory in your Rails app root (if it doesn't already exist) and put the script inside

Usage

sidonath

Prepare your application for the old age

Since I didn't have any slides during the talk, here are some resources that cover similar topics and/or were mentioned during the talk itself.

Happy hacking!

Various articles related to the talk

The article that inspired the talk: The Startup Trap.

sidonath

Mac
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sidonath

;(function ($) {
  var $elementsToCatchUp = $(),
      followBased = false,
      bound = false;

  function startCatchingUp($catchup) {
    $catchup
      .before($('<div>',
        { 'class': 'catching-up-placeholder', 'height': $catchup.outerHeight() }))
      .addClass('catching-up')

sidonath

# Strip leading and trailing bytes
def self.decode data, &blk
  while msg = data.slice!(/\000([^\377]*)\377/)
    msg.gsub!(/^\x00|\xff$/, '')
    yield msg
  end
end

sidonath

// approach one: simply assign function to prototype
// it works, but you still need to use "apply" to make the method 
// work as needed
function smallest1(array){
  Array.prototype.min = Math.min;
  return array.min.apply(array, array);
}

// approach two: use apply in the function assigned to Array's prototype
function smallest2(array){

sidonath

(function($) {

  function print_array(obj, opts) {
    var result = [];
    for (var i = 0; i < Math.min(opts.max_array, obj.length); i++)
      result.push($.print(obj[i], $.extend({}, opts, { max_array: 3, max_string: 40 })));

    if (obj.length > opts.max_array)
      result.push((obj.length - opts.max_array) + ' more...');
    if (result.length == 0) return "[]"