Davidslv

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Davidslv

# encoding: UTF-8
require 'nokogiri' 
require 'open-uri'


doc = Nokogiri::XML(open('https://www.jogossantacasa.pt/web/SCRss/rssFeedCartRes'))

@items = doc.xpath('//item').map do |i|
{'title' => i.xpath('title').inner_text, 'description' => i.xpath('description').inner_text}
end

Davidslv

" https://github.com/tpope/vim-pathogen
call pathogen#infect()

syntax on
set number
set expandtab     " no real tabs
set softtabstop=2
set tabstop=4

" make backspace work normally

Davidslv

class Person
    attr_reader :position, :succ, :alive
    attr_writer :position, :succ, :alive
    
    # Everyone is alive, initially
    def initialize(pos)
        @position = pos
        @alive = true
    end
    

Davidslv

# If we list all the natural numbers below 10 that are multiples of 3 or 5, 
# we get 3, 5, 6 and 9. The sum of these multiples is 23.

# Find the sum of all the multiples of 3 or 5 below 1000.

def multiples(number, *multipliers)
  count = 0
  list  = []

  # This range excludes the number you give

Davidslv

filetype off
set rtp+=~/.vim/bundle/vundle
call vundle#rc()

" General Configuration
set nocompatible               " disable vi compatibility.
set history=256                " Number of things to remember in history.

set timeoutlen=250             " Time to wait after ESC (default causes an annoying delay

Davidslv

Skipping some of the very basic commands, to use this cheat sheet you need atleast some vim knowledge.

;           # repeat last search done using f
,           # undo last search done using f
u           # undo last change
ctrl+r      # redo last change
:%s/t/r/g   # replace all 't' by 'r'
~           # change case
gu          # to lower case
gU          # to upper case

Davidslv

# This are examples of how to implement a factorial in Ruby

def ft(n)
  return 1 if n <= 1
  
  n.downto(1).inject(:*)
end


def factorial(n)

Davidslv

#!/usr/bin/env ruby

def r!
  reload!
end

if ENV['RAILS_ENV']
  load "#{ENV['HOME']}/.railsrc"
end

Davidslv

#!/usr/bin/env ruby

# show queries
def logs_on
  if defined?(ActiveRecord)
    ActiveRecord::Base.logger = Logger.new(STDOUT)
    ActiveRecord::Base.clear_reloadable_connections!
    "Logs on!"
  end
end