mindaslab

Despite being a rubyist for years, I was fooled by this

irb> a = b = c = []
irb> a << 1
=> [1]
irb> b
=> [1]
irb> c
=> [1]

mindaslab

2.0.0-p247 :002 > t = Tweet.new
 => #<Tweet id: nil, content: nil> 
2.0.0-p247 :003 > t.content = "Tweet without time"
 => "Tweet without time" 
2.0.0-p247 :004 > t.save
   (0.3ms)  begin transaction
  SQL (0.9ms)  INSERT INTO "tweets" ("content") VALUES (?)  [["content", "Tweet without time"]]
   (190.3ms)  commit transaction
 => true 
2.0.0-p247 :005 > Tweet.all

mindaslab

class CreateTweets < ActiveRecord::Migration
  def change
    create_table :tweets do |t|
      t.text :content
    end
  end
end

mindaslab

module Searchable
  extend ActiveSupport::Concern
  
  included do
    ##
    # A simple search method
    def self.search text
      columns = self::SearchableColumns
      words = text.downcase.gsub(/[^a-z0-9\s]/i, ' ').split(/\s+/)
      query_array_2 = []

mindaslab

console.log("Hello World!\n");


function sort_by_price(a, b){
  return a.price > b.price; 
}

array = [{price: 100}, {price: 50}, {price: 70}];
console.log(array);
sorted_array = array.sort(sort_by_price);

mindaslab

class Fixnum
  def prime?
    return true if self == 1
    2.upto(self) do |num|
      if self % num == 0
        return self == num
      end
    end
  end
end

mindaslab

def prime(num):
    if num == 1:
        return True
    for i in range(num):
        if (num % (i + 2)) == 0:
            if num == (i + 2):
                return True
            else:
                return False

mindaslab

class Fixnum
  def prime?
    return true if self == 1
    2.upto(self) do |num|
      if self % num == 0
        return self == num

1.upto(100) do |num|
  puts num if num.prime?

mindaslab

$ pip install pyftpdlib
$ python -m pyftpdlib
# Temporary FTP server

mindaslab

class User < ActiveRecord::Base
  def status time = Time.now
    statuses.where("created_at <= '#{time.to_s(:db)}'").
    order("created_at desc").first
  end
end