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module Bar
  def self.method1
  end
  
  def method2
  end
end

class Foo
  include Bar

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#in real life this is going until column 98
@my_variable = MyVeryLongClassName.method("three", "arguments", "method") || default_value_method

# or

@my_variable = MyVeryLongClassName.method("three", "arguments", "method") 
@my_variable ||= default_value_method

# or
@my_variable = MyVeryLongClassName.method("three", "arguments", "method") 

filipebarcos

Filipe Costa

Contact details

• Twitter: @filipebarcos
• Github: @filipebarcos
• Website or Blog: http://about.me/filipebarcos
• Company: Stack Builders Inc. http://stackbuilders.com

[Feel free to add more details if you wish…]

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module ClassMethods
  def self.method2
  end
end

module InstanceMethods
  def method1
  end
end

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require 'benchmark'

n = 1000000
Benchmark.bm(15) do |x|
  x.report("assign single") { n.times do; c = 'a string'; end}
  x.report("assign double") { n.times do; c = "a string"; end}
  x.report("concat single") { n.times do; 'a string ' + 'b string'; end}
  x.report("concat double") { n.times do; "a string " + "b string"; end}
end

filipebarcos

Please edit your Apache configuration file, and add these lines:

   LoadModule passenger_module /home/ubuntu/.rvm/gems/ruby-2.1.1/gems/passenger-4.0.57/buildout/apache2/mod_passenger.so
   <IfModule mod_passenger.c>
     PassengerRoot /home/ubuntu/.rvm/gems/ruby-2.1.1/gems/passenger-4.0.57
     PassengerDefaultRuby /home/ubuntu/.rvm/gems/ruby-2.1.1/wrappers/ruby
   </IfModule>

After you restart Apache, you are ready to deploy any number of web
applications on Apache, with a minimum amount of configuration!

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require 'benchmark/ips'

Benchmark.ips do |x|
  x.report("with lazy") do
    (1..1_000_000).lazy
                      .select(&:odd?)
                      .map(&:to_s)
                      .take(1000)
  end

filipebarcos

“APIs, you're doing it wrong!”

What is an API?

From Wikipedia, we have “a set of Routines, protocols and tools for building software applications”.

Web API

REST

Re presentation S tate T ransfer is a software architecture style consisting of guidelines and best practices for creating scalable web services. REST is a coordinated set of constraints applied to the design of components in a distributed hypermedia system...

RESTful

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#!/usr/bin/env ruby

Dir.glob("#{Dir.pwd}/**/*.srt").each do |file|
  newfile_name = file.sub(/\.srt$/, ".pt-br.srt")
  File.rename(file, newfile_name)
end

filipebarcos

git diff --stat | grep spec | awk '{print $1}' ORS=' ' | xargs rspec