sam

irb(main):010:0> Symbol.all_symbols.map(&:to_s).grep /all_symbols/
=> []
irb(main):011:0> Symbol.all_symbols.map(&:to_s).grep /foocowbar/
=> []
irb(main):012:0> def foocowbar; nil; end
=> nil
irb(main):013:0> Symbol.all_symbols.map(&:to_s).grep /foocowbar/
=> ["foocowbar"]

sam

• The new lambda literal syntax is preferred in Ruby 1.9.

  # BAD
  lambda = lambda { |a, b| a + b }
  
  # GOOD
  lambda = ->(a, b) { a + b }

sam

module Query
  
  class Expression
    attr_reader :field, :operator, :target
  
    def initialize(field, operator, target)
      @field, @operator, @target = field, operator, target
    end
  end

sam

# This comes from here: https://github.com/sam/doubleshot/blob/master/lib/doubleshot/compiler.rb
#
# If you have JRuby 1.7.0, Java7, Maven and Bundler installed, you can reproduce the attached output like so:
#
#   cd ~/src
#   git clone git://github.com/sam/doubleshot.git
#   cd doubleshot
#   bundle install
#   bin/doubleshot test --ci

sam

it "must raise an exception if the file does not exist" do
  Helper::tmp do |tmp|
    assert_raises(Errno::ENOENT) do
      Doubleshot::Compiler::Classpath.new.add(tmp + "asdf")
    end
  end
end

sam

package org.foo;

import com.fasterxml.jackson.databind.ObjectMapper;
import java.util.Map;
import java.io.IOException;

public class Bar {
  
  static final ObjectMapper mapper = new ObjectMapper();
  

sam

package org.foo;

public class Bar {
  public static int baz() {
    return 1;
  }
}

sam

<% # NOTE: The actual path is: views/forms/person.html.erb %>

<% # Or we can override the default rendering like so: %>

<h2>People Form</h2>
<% # By default the form-helper will POST to the current location %>
<% form do |form| %>
  <table>
    <tr><td>First Name:</td><td><%= form.field :first_name %></td></tr>
    <tr><td>Last Name:</td><td><%= form.field :last_name %></td></tr>

sam

#!/usr/bin/env jruby

require "rubygems"
require "active_support/hash_with_indifferent_access"
require "java"
require "benchmark"

SYMBOLS = []
STRINGS = []
GET_REPEAT = 100

sam

# I get an HTTP 405: HTTP method GET is not supported by this URL

java_import javax.servlet.http.HttpServlet

class HelloWorld < HttpServlet
  
  def process(request, response)
    response.writer.println "Hello World!"
  end
end