jamesmartin

class SomeController
  def some_action
    @list_of_partials = [] << "say_hello" << "ask_about_their_day" << "say_goodbye"
    respond_to do |format|
      format.js { render :update_some_page_section } 
    end
  end
end

jamesmartin

class Foo
  def self.bar(instance = new)
    instance.send(:bar)
  end

  protected
  def bar
    "protected!"
  end
end

jamesmartin

# From:
# http://www.alphasights.com/apply/ruby-developer-london
# The rules:
# Ordering in the input is not defined. Ordering in the result is not important. 
# Do not rely on the names of the hash keys other than :time. 
# The field below executes your code in a Sandbox with $SAFE=4, 
# so you can't define new classes, use global variables, etc.

def remove_duplicates(log)
  group_by_date(log).map do |time, entries|

jamesmartin

class Foo
  def initialize(options={})
    @logger = options[:logger] || Proc.new { }
  end

  def do_stuff
    @logger.call "Logged!"
  end
end

jamesmartin

public class PostCode {
    private static final String DIGIT_ALPHA_ALPHA = "\\d[A-Z][A-Z]";
    private static final int OUTCODE_LENGTH = 3;
    private String inCode;
    private String outCode;

    public PostCode(String rawPostCode) {
	String postCode = removeSpacesAndUpperCase(rawPostCode);
	inCode = postCode.substring(0, inCodeLengthFrom(postCode));
	outCode = postCode.substring(inCodeLengthFrom(postCode));

jamesmartin

find test -iname "*_test.rb" | xargs grep -c "should" | sort -n -k2 -t: | grep -v "helper"

jamesmartin

#!/bin/bash
test_files() {
  find test -iname "*_test.rb" | xargs grep -l "should" | grep -v "helper" | grep -v "performance" | grep -v "browser"
}

time_command() {
  local cmd=$*
  TIMEFORMAT="%3R"
  (time $cmd > /dev/null) 2>&1
}

jamesmartin

baz = true
foo, bar, bat = if self.baz?
        puts "this gets executed" #=> But puts returns nil, which gets assigned to foo, bar and bat
    else
        puts "this doesn't get executed"
    end

jamesmartin

class Parent < ActiveRecord::Base
    has_many :children
    validates :name, presence: true
end

class Child < ActiveRecord::Base
    belongs_to :parent
end

jamesmartin

class Suppress
  def initialize method
    @method_name = method.to_sym
  end

  def self.method_named method
    new method
  end
  
  def on_object object, &block