frankyston

require 'benchmark'

def sum_range_using_for_loop(min, max)
  range = (min..max)
  sum   = 0

  for n in range
    sum = sum + n
  end

frankyston

http://stackoverflow.com/questions/22667401/postgres-json-data-type-rails-query
http://stackoverflow.com/questions/40702813/query-on-postgres-json-array-field-in-rails

#payload: [{"kind"=>"person"}]
Segment.where("payload @> ?", [{kind: "person"}].to_json)

#data: {"interest"=>["music", "movies", "programming"]}
Segment.where("data @> ?",  {"interest": ["music", "movies", "programming"]}.to_json)
Segment.where("data #>> '{interest, 1}' = 'movies' ")
Segment.where("jsonb_array_length(data->'interest') > 1")

frankyston

# backup
docker run -v [volume]:/volume --rm loomchild/volume-backup backup - > [backupfile.tar.bz2]

# restore
cat [backupfile.tar.bz2] | docker run -i -v [volume2]:/volume --rm loomchild/volume-backup restore -

frankyston

ActiveRecord::Base.establish_connection
ActiveRecord::Base.connection.tables.each do |table|
  next if table == 'schema_migrations'

  case ActiveRecord::Base.connection.adapter_name.downcase.to_sym
    when :mysql2 || :postgresql
      ActiveRecord::Base.connection.execute("TRUNCATE #{table}")
    when :sqlite
      ActiveRecord::Base.connection.execute("DELETE FROM #{table}")
  end

frankyston

My Dotfiles

brew install fzf
brew install xclip
brew install autojump

frankyston

HTTP status code symbols for Rails

Thanks to Cody Fauser for this list of HTTP responce codes and their Ruby on Rails symbol mappings.

Status Code Symbol
1xx Informational
100 :continue
101 :switching_protocols
102 :processing

frankyston

module ControllerMacros
  def login_user
    before(:each) do
      @request.env["devise.mapping"] = Devise.mappings[:user]
      user = FactoryGirl.create(:user)
      user.confirm!
      sign_in user
    end
  end
end

frankyston

// MIT license (c) andelf 2013


import (
	"net/smtp"
	"errors"
)

type loginAuth struct {
  username, password string

frankyston

EMOJI CHEAT SHEET

Emoji emoticons listed on this page are supported on Campfire, GitHub, Basecamp, Redbooth, Trac, Flowdock, Sprint.ly, Kandan, Textbox.io, Kippt, Redmine, JabbR, Trello, Hall, plug.dj, Qiita, Zendesk, Ruby China, Grove, Idobata, NodeBB Forums, Slack, Streamup, OrganisedMinds, Hackpad, Cryptbin, Kato, Reportedly, Cheerful Ghost, IRCCloud, Dashcube, MyVideoGameList, Subrosa, Sococo, Quip, And Bang, Bonusly, Discourse, Ello, and Twemoji Awesome. However some of the emoji codes are not super easy to remember, so here is a little cheat sheet. ✈ Got flash enabled? Click the emoji code and it will be copied to your clipboard.

People

😄

frankyston

Ripple effect em CSS puro

Efeito ondulação com :hover.

A Pen by Bruno Nepomuceno on CodePen.