FrancoB411

# Rspec Syntax Cheat Sheet

## Stub: 
Replacing a method with code that returns a specified result.

    weapon.stub(:slice)

Stubbing to avoid hitting database

Before: context block hits DB twice

FrancoB411

abbr[title]:after  // after an abbr element with title attribute 
{
   content: " (" attr(title) ")";  // display the title attribute value in parentheses
}

@media screen and (min-width: 1025px)  // above 1025px screen width
{
   abbr[title]
   {
      border-bottom: 1px dashed #ADADAD; // draw a dashed border under the abbr element

FrancoB411

// packages
//-----------------------
// alignment
// ruby-eval
// sublime linter
// origami
// autofilename
// javascript es6 syntax highlighting
// gutter color
// git gutter

FrancoB411

// `unit` is `return` from Haskell
// `bind` is `>>=` from Haskell, or `flatMap` from Scala

var None = {
  bind:      function (fn)        { return this;      },
  unit:      function (v)         { return Option(v); },
  getOrElse: function (elseValue) { return elseValue; }
};

var Some = function (value) {

FrancoB411

# setup data
data1 =  {1 => %W{ A B C D E} , 2 => %W{ A B C D E }, 3 => %W{ A B C D E }, 4 => %W{ A B C D E } }
list = data1[1]

def swap_list_values_to_keys(key, list)
  list.reduce({}) { |a, value|  a.merge({key => value.downcase}.invert)  }  
end

# p swap_list_values_to_keys(1, list)
# => {"a"=>1, "b"=>1, "c"=>1, "d"=>1, "e"=>1}

FrancoB411

function countCSSRules() {
    var results = '',
        log = '';
    if (!document.styleSheets) {
        return;
    }
    for (var i = 0; i < document.styleSheets.length; i++) {
        countSheet(document.styleSheets[i]);
    }
    function countSheet(sheet) {

FrancoB411

const args = ['node', '--proxy='];
const flags = ['proxy'];

let hasProxy = (arg) => flags.find(flag => arg.includes(flag));

if(args.find(hasProxy)) {
  console.log("proxy");
} else {
  console.log("error");
}

FrancoB411

# Get VNC Server running on Google Cloud with Ubuntu 18.04
[Create a new Google Clound Instance](https://console.cloud.google.com/compute/instances?project=tenso-flow&folder&organizationId&duration=PT1H)

## Install a Desktop
In this case ubuntu-desktop

### Install Tasksel
`
sudo apt-get install aptitude tasksel
`

FrancoB411

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

FrancoB411

class Calculator

  def parse input
    input.split(" ")
  end

  def order_of_operations
    ["*", "/", "+", "-"]
  end