brandonvanha

chrome.tabs.query(
  { active: true, windowId: chrome.windows.WINDOW_ID_CURRENT },
  function(tabs) {
    const { id: tabId } = tabs[0].url;

    let code = `document.querySelector('h1')`;

    // http://infoheap.com/chrome-extension-tutorial-access-dom/
    chrome.tabs.executeScript(tabId, { code }, function (result) {
      // result has the return value from `code`

brandonvanha

~/dev/real-world-rails (master)
$ ag -G 'config/initializers/' ::DATE_FORMATS

apps/accelerated_claims/config/initializers/date_formats.rb
1:Date::DATE_FORMATS[:printed] = '%d %B %Y'

apps/advocate-defence-payments/config/initializers/date_time.rb
2:Date::DATE_FORMATS[:default] = Settings.date_format
5:DateTime::DATE_FORMATS[:default] = Settings.date_time_format
8:Time::DATE_FORMATS[:default] = Settings.date_time_format

brandonvanha

jQuery vs native JS

Selecting Elements

var divs = $("div");

var divs = document.querySelectorAll("div");

brandonvanha

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

brandonvanha

import Foundation
import CFNetwork

public class FTPUpload {
    fileprivate let ftpBaseUrl: String
    fileprivate let directoryPath: String
    fileprivate let username: String
    fileprivate let password: String

brandonvanha

Ruby on Rails Cheatsheet

Architecture

Create a new application

Install the Rails gem if you haven't done so before

brandonvanha

import Alamofire

func makeGetCallWithAlamofire() {
  let todoEndpoint: String = "https://jsonplaceholder.typicode.com/todos/1"
  Alamofire.request(todoEndpoint)
    .responseJSON { response in
      // check for errors
      guard response.result.error == nil else {
        // got an error in getting the data, need to handle it
        print("error calling GET on /todos/1")

brandonvanha

class MyClass
{
    private static _instance: MyClass;

    private constructor()
    {
        //...
    }

    public static get Instance()

brandonvanha

protocol Numeric {
  func *(lhs: Self, rhs: Self) -> Self
}

extension Double: Numeric {}
extension Float: Numeric {}
extension Int: Numeric {}

func genericMultiplier<T: Numeric>(lhs: T, rhs: T) -> T {
  return lhs * rhs 

brandonvanha

# Find all the available rules by running:
# swiftlint rules

disabled_rules: # rule identifiers to exclude from running
#  - colon
#  - comma
  - control_statement
#  - trailing_whitespace
opt_in_rules: # some rules are only opt-in
  - empty_count