seanbehan

# Source https://snippets.aktagon.com/snippets/584-generating-word-n-grams-with-ruby
module Ngram
  REGEX = /\w+/
  def ngram_tokenize
     self.downcase.scan(REGEX)
  end

  def ngram(n=1)
    res = Set.new
    words = ngram_tokenize

seanbehan

var text = document.getElementById('#textForSpeech')
var msg = new SpeechSynthesisUtterance(text)
window.speechSynthesis.speak(msg)

seanbehan

Let's Encrypt

• http://collectiveidea.com/blog/archives/2016/01/12/lets-encrypt-with-a-rails-app-on-heroku/
• https://certbot.eff.org/
• https://blog.heroku.com/archives/2016/5/18/announcing_heroku_free_ssl_beta_and_flexible_dyno_hours

seanbehan

HTML for basic chat app

<div id="chat">
  <div class="msg">
    lorem...
    </div>
  <div class="msg">
    lorem...
  </div>

seanbehan

class Invite < ApplicationRecord
  def self.enc
    @enc ||= ActiveSupport::MessageEncryptor.new(ENV['ENC_SECRET'])
  end

  def token
    class.enc.encrypt_and_sign(id.to_s)
  end

  def self.find_from_token(token)

seanbehan

# tab "The Title Goes Here"
tab() {
    echo -ne "\033]0;$*\007"   
}

seanbehan

Flask Basic Auth

@app.before_request
def basic_auth():
    auth = request.authorization
    if not auth or (auth.username != 'username' and auth.password != 'password'):
        return response('Authentication required.', 401, {'WWW-Authenticate': 'Basic realm="Login Required"'})

seanbehan

from itsdangerous import URLSafeTimedSerializer

from project import app


def generate_confirmation_token(email):
    serializer = URLSafeTimedSerializer(app.config['SECRET_KEY'])
    return serializer.dumps(email, salt=app.config['SECURITY_PASSWORD_SALT'])

seanbehan

HTML form for file uploads

<!-- in templates/form.html -->
<form action="/upload" method="POST" enctype="multipart/form-data">
 <input type="file" name="logo">
 <button>Upload</button>
</form>

seanbehan

-- grab columns where the value is float type

select * from table_name where column_name ~ E'^[0-9\.]+\$';

-- grab columns where the value is not float type

select * from table_name where column_name !~ E'^[0-9\.]+\$';