fxn

Ruby: The future of frozen string literals

What is a literal?

In programming languages, literals are textual representations of values in the source code. This is a syntactical concept.

Some examples:

7 # integer literal

brianjbayer

Disabling Selenium Chrome Automation Banner and Save address?, Save card?, and Save password? Pop Ups

Image: Pencil Sharpener by Wendy Bayer

---

This shows you how to disable those Chrome Save address?, Save card?, and Save Password? pop up windows in Selenium Webdriver

maxivak

Webpack in Rails

All code is available in example app - https://github.com/maxivak/webpacker-rails-example-app

Table of Contents

• NPM and Yarn
• Webpack and Webpacker

eliotsykes

Open Source AngularJS Rails Apps

Expect some false positives here, but hopefully most of these are open source Rails apps that use (or once used) AngularJS.

If you'd like to help update the list, please comment below with any of these apps you discover do not use AngularJS and include my username (@eliotsykes) in your message.

Confirmed using AngularJS

• https://github.com/openfoodfoundation/openfoodnetwork

eliotsykes

How to break long lines up in Ruby

This page lists the options for breaking single-line expressions into multiple lines in Ruby.

Developers and teams need to come to their own decisions about which guideline(s) they prefer (preferences below are just my personal choices and I encourage you to disregard them).

# With trailing parens
x = [1, 2, 3].join(
 '-'

rilian

Rails.application.configure do
  # ...

  require_relative '../../spec/support/no_animations'
  config.middleware.use Rack::NoAnimations
end

alekseyg

Stripe.applePay.checkAvailability = function (callback) {
  if (location.protocol === 'https:') {
    var canMakePayments = window.ApplePaySession && ApplePaySession.canMakePayments()

    if (/^pk_test_/.test(Stripe.key || Stripe.publishableKey)) {
      callback(canMakePayments)
    } else if (canMakePayments) {
      var merchantId = "merchant." + window.location.hostname + ".stripe"
      ApplePaySession.canMakePaymentsWithActiveCard(merchantId).then(callback)
    } else {

eliotsykes

// Requires jQuery
var logger = {
  setup: function() {
    $('<div style="position:fixed; top: 0; left: 0; width: 100%; background-color: white;"><pre id="log-output" style="max-height: 70px; font-size: 10px; line-height: 12px;"></pre></div>')
      .appendTo('body');
    this.logOutput = $('#log-output');
  },
  info: function(msg) { this.logOutput.prepend(msg + "\n"); },
  hide: function() { this.logOutput.parent().hide(); },
  show: function() { this.logOutput.parent().show(); }

eliotsykes

# File: app/controllers/api/api_controller.rb
class Api::ApiController < ActionController::Base
  # Consider subclassing ActionController::API instead of Base, see
  # http://api.rubyonrails.org/classes/ActionController/API.html
  
  protect_from_forgery with: :null_session
  before_action :authenticate
  
  def self.disable_turbolinks_cookies
    skip_before_action :set_request_method_cookie

eliotsykes

How to setup PostgreSQL & Rails on Cloud9

At time of writing, Cloud9 has PostgreSQL pre-installed, so you won't need to install it yourself. However, its not running by default, so you will need to start it with this command in the terminal:

sudo service postgresql start

Change the PostgreSQL password to 'password' (or choose a different password):