jkarmel

class Array
  def frequencies(&block)
    block ||= ->(x) {x}
    Hash[group_by(&block).map {|k,v| [k, v.present? ? v.count : nil]} ]
  end
end

jkarmel

assert = require 'assert'
_ = require 'lodash'

globals =
  '+': (a,b) -> a + b
  '*': (a,b) -> a * b

parse = (input) ->
  JSON.parse(input.replace(/\s/g,",").replace(/[a-z\+\*]+/g, '"$&"'))

jkarmel

fns =
  '+': (a,b) -> a + b
  '*': (a,b) -> a * b

parse = (input) ->
  JSON.parse(input.replace(/\s/g,",").replace(/\+|\*/g, '"$&"'))

evaluate = (x)->
  if (Array.isArray(x)) # x is an expression
    results = x.map (expression) -> evaluate(expression)

jkarmel

# #fire
# Takes: r (A-J),c (1-10)
# Returns: MISS, HIT, SUNK, WIN, ()DUPE)

# #place
# Takes: r (A-J),c (1-10), Ship object
# Returns success/failure as a boolean

class Board
  ROWS = 'ABCDEFGHIJ'.split(//)

jkarmel

module SendAll
  def send_all(methods_and_args)
    return self if methods_and_args.empty?
    method_name, args = methods_and_args.pop
    result = send method_name, *args
    result.send_all result, query
  end
end

class ActiveRecord::Relation

jkarmel

# A sample Gemfile
source "https://rubygems.org"

# gem "rails"
gem 'haml'

jkarmel

class ActiveRecord::Base
  descendants.each do |klass|
    klass.singleton_class.instance_eval do
      attr_accessor :touches, :touched_by
    end
    klass.touches = []
    klass.touched_by = []

    klass.reflections.values.each do |reflection|
      if reflection.options && reflection.options[:touch]

jkarmel

module Profiler
  self.singleton_class.instance_eval do
    attr_accessor :defaults
  end
  self.defaults = {
    open: true,
    path: 'tmp',
    name: 'profile'
  }
  def self.profile options = {}, &block

jkarmel

module Profiler
  self.singleton_class.instance_eval do
    attr_accessor :defaults
  end
  self.defaults = {
    open: true,
    path: 'tmp',
    name: 'profile'
  }
  def self.profile options = {}, &block

jkarmel

module Profiling
  class CallStackTracker
    cattr_accessor :query_call_stacks do
      []
    end
    IGNORED_SQL = [/^PRAGMA (?!(table_info))/, /^SELECT currval/, /^SELECT CAST/, /^SELECT @@IDENTITY/, /^SELECT @@ROWCOUNT/, /^SAVEPOINT/, /^ROLLBACK TO SAVEPOINT/, /^RELEASE SAVEPOINT/, /^SHOW max_identifier_length/]
    def call(name, start, finish, message_id, values)
      # FIXME: this seems bad. we should probably have a better way to indicate
      # the query was cached
      unless 'CACHE' == values[:name]