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https://jennamolby.com/how-to-use-cookies-to-capture-url-parameters/

// Parse the URL
function getParameterByName(name) {
	name = name.replace(/[\[]/, "\\[").replace(/[\]]/, "\\]");
	var regex = new RegExp("[\\?&]" + name + "=([^&#]*)");
	var results = regex.exec(location.search);
	return results === null ? "" : decodeURIComponent(results[1].replace(/\+/g, " "));
}

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import { Controller } from 'stimulus';
import React from 'react';
import ReactDOM from 'react-dom';
import AppContainer from 'components/core/AppContainer';

export default class extends Controller {
  connect() {
    const Component = window.ReactComponents[this.data.get('component')];
    let props = this.data.get('props') || {};
    if (typeof props === 'string') {

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require 'optparse'
require 'json'
require 'bundler/inline'

gemfile do
  source 'https://rubygems.org'
  gem 'redis'
  gem 'oj'
end

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ruby '2.7.1'

gem 'rails', github: 'rails/rails'
gem 'tzinfo-data', '>= 1.2016.7'  # Don't rely on OSX/Linux timezone data

# Action Text
gem 'actiontext', github: 'basecamp/actiontext', ref: 'okra'
gem 'okra', github: 'basecamp/okra'

# Drivers

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Stimulus cheatsheet

• Website: https://stimulusjs.org/
• GitHub repo: https://github.com/stimulusjs/stimulus
• Handbook: https://stimulusjs.org/handbook/introduction
• Discourse: https://discourse.stimulusjs.org/

Lifecycle callbacks

• initialize: once, when the controller is first instantiated
• connect: anytime the controller is connected to the DOM

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todos_reducer = -> (state, action) {
  state ||= []

  case action[:type]
  when 'add'
    state.push(action[:todo])
  when 'remove'
    state.remove(action[:todo])
  else
    state

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class ReduxStore
  def self.combine_reducers(reducers)
    -> (state, action) {
      state ||= {}

      reducers.reduce({}) { |next_state, (key, reducer)|
        next_state[key] = reducer.call(state[key], action)
        next_state
      }
    }

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class ReduxStore
  attr_reader :current_state

  def initialize(reducer)
    @reducer = reducer
    @listeners = []
    @current_state = nil
    dispatch({})
  end

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counter_reducer = -> (state, action) {
  state ||= 0

  case action[:type]
  when 'increment'
    state += 1
  when 'decrement'
    state -= 1
  else
    state

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WITH table_scans as (
    SELECT relid,
        tables.idx_scan + tables.seq_scan as all_scans,
        ( tables.n_tup_ins + tables.n_tup_upd + tables.n_tup_del ) as writes,
                pg_relation_size(relid) as table_size
        FROM pg_stat_user_tables as tables
),
all_writes as (
    SELECT sum(writes) as total_writes
    FROM table_scans