kevgathuku

# CLI
sudo apt update -y
sudo apt install -y \
	git curl btop \
	docker.io docker-buildx \
	build-essential pkg-config autoconf bison rustc cargo clang \
	libssl-dev libreadline-dev zlib1g-dev libyaml-dev libreadline-dev libncurses5-dev libffi-dev libgdbm-dev libjemalloc2 \
	libvips imagemagick libmagickwand-dev mupdf mupdf-tools \
	redis-tools sqlite3 libsqlite3-0 libmysqlclient-dev \
	rbenv apache2-utils

kevgathuku

class DummyController < ApplicationController
  def do
    render json: { balance: 50 }
  end
end

kevgathuku

How to add an image to a gist

1. Create a gist if you haven't already.
2. Clone your gist:

   # make sure to replace `<hash>` with your gist's hash
   git clone https://gist.github.com/<hash>.git # with https
   git clone [email protected]:<hash>.git     # or with ssh

kevgathuku

files:
  # If this file is edited, it must be removed from EC2 instance prior to deploy.
  "/opt/elasticbeanstalk/hooks/appdeploy/pre/09_yarn_install.sh" :
    mode: "000775"
    owner: root
    group: users
    content: |
      #!/usr/bin/env bash

      set -xe

kevgathuku

function iframeURLChange(iframe, callback) {
    var lastDispatched = null;

    var dispatchChange = function () {
        var newHref = iframe.contentWindow.location.href;

        if (newHref !== lastDispatched) {
            callback(newHref);
            lastDispatched = newHref;
        }

kevgathuku

import React from 'react';
import EventComponent from './EventComponent';
import { mount } from 'enzyme';
import {
  createStartTouchEventObject,
  createMoveTouchEventObject
} from './EventHelpers.js';

describe('EventComponent', () => {

kevgathuku

module Main exposing (main)

import Browser
import Html exposing (Html, button, div, text)
import Html.Events exposing (onClick)


type alias Model =
    { count : Int }

kevgathuku

Deploying from circleci2.0 to Heroku

Resources:

• circleci 2.0 docs
• Managing SSH Keys on Heroku

Steps:

Prerequisites:

• Heroku CLI installed on your computer
• A project deployed to Heroku

kevgathuku

## Sort Algorithms in Elixir

# Selection Sort

defmodule Selection do
  def sort(list) when is_list(list) do
    do_selection(list, [])
  end

  def do_selection([head|[]], acc) do

kevgathuku

import _ from 'underscore';
import fetch from 'isomorphic-fetch'

class API {
  getCSRFToken() {
    return _.find(document.getElementsByTagName('meta'), (meta) => {
      return meta.name === 'csrf-token'
    }).content
  }