veelenga

##############################
##Exercise: ModulesAndFunctions-6
defmodule Chop do
  def guess(actual, lo..hi) when (lo <= hi) and (actual in lo..hi) do
    current = guessing(lo, hi)
    IO.puts "Is it #{current}"
    guess(current, actual, lo..hi)
  end

  defp guess(value, actual, _) when value == actual, do: IO.puts value

veelenga

Word

• aw – a word (includes surrounding white space)
• iw – inner word (does not include surrounding white space)

Sentences

• as - a sentence

veelenga

sudo killall -HUP mDNSResponder

veelenga

def flatten(list), do: flatten(list, []) |> Enum.reverse
def flatten([h | t], acc) when h == [], do: flatten(t, acc)
def flatten([h | t], acc) when is_list(h), do: flatten(t, flatten(h, acc))
def flatten([h | t], acc), do: flatten(t, [h | acc])
def flatten([], acc), do: acc

veelenga

# equal jsons
json1 = '{"polygons":[{"type":"rectangle","vertices":[{"x":1621.5,"y":1079.5},{"x":2674,"y":1079.5},{"x":2674,"y":2528},{"x":1621.5,"y":2528}],"category":"name"}]}'
json2 = '{"polygons":[{"type":"rectangle","category":"name","vertices":[{"x":1621.5,"y":1079.5},{"x":2674,"y":1079.5},{"x":2674,"y":2528},{"x":1621.5,"y":2528}]}]}'

rez1 = JSON.parse(json1)
rez2 = JSON.parse(json2)

rez1 == rez2 # true

veelenga

class FlashMessages extends React.Component {

  constructor(props) {
    super(props);
    this.state = { messages: props.messages };
  }
  
  render () {
    return(
      <div>

veelenga

#!/usr/bin/env ruby
#
# Proof-of-Concept exploit for Rails Remote Code Execution (CVE-2013-0156)
#
# ## Advisory
#
#   https://groups.google.com/forum/#!topic/rubyonrails-security/61bkgvnSGTQ/discussion
#
# ## Caveats
#

veelenga

#!/bin/sh

crystal tool format --check &> /dev/null
ret_code=$?

if [ 0 -ne $ret_code ]; then
  crystal tool format
  echo "Files formatted. Please review results and commit ;)"
  exit $ret_code
else

veelenga

class Object
  macro inherited
    @@methods = {} of String => Proc({{@type}}, Nil)

    macro method_added(method)
      \{% if method.visibility == :public %}
        %key = \{{ method.name.stringify }}
        @@methods[%key] = ->(obj : \{{@type}}) {
          obj.\{{ method.name }}()
          nil

veelenga

require "http/client"
require "json"

module GithubAPI
  API_URL = "https://api.github.com"

  class Repo
    JSON.mapping(
      name: String,
      html_url: String,