danielfone

def temporary_assign(object, attribute, new_value)
  previous_value = object.public_send attribute
  object.public_send "#{attribute}=", new_value
  yield
ensure
  object.public_send "#{attribute}=", previous_value
end

# Example usage:
# Want to debug SQL queries in tests? Log to STDOUT just for the

danielfone

require_relative 'micro_bench'

# Various methods to update every value in a hash in place
module HashUpdate
  module_function

  # also Hash#update
  def merge!(hash)
    hash.merge!(hash) do |key, value|
      value + 1

danielfone

$ uname -a
Darwin MacBook-Pro.fritz.box 14.0.0 Darwin Kernel Version 14.0.0: Fri Sep 19 00:26:44 PDT 2014; root:xnu-2782.1.97~2/RELEASE_X86_64 x86_64
$ ruby -v
ruby 2.1.4p265 (2014-10-27 revision 48166) [x86_64-darwin14.0]
$ gem --version
2.4.4

danielfone

require_relative './board'
require_relative './naive_solver'
#
# This is a reference implementation for solving the board
# and may be considered a spoiler
#
# s = Solver.load 'my-team', 100
# s.solve
#

danielfone

module Attachinary
  module Utils
    Rails.logger.warn 'Monkey patched Attachinary::Utilss#process_hash'
    def self.process_hash(hash, scope=nil)
      file = if hash['id']
        Attachinary::File.find hash['id']
      else
        file = Attachinary::File.new hash.slice('public_id', 'version', 'width', 'height', 'format', 'resource_type')
        file.scope = scope.to_s if scope && file.respond_to?(:scope=)
        file

danielfone

jQuery ->

  $('.cloudinary-fileupload').on 'cloudinarydone', (e, data) ->
    $('.js-cl-preview').html $.cloudinary.image data.result.public_id, {
      format: data.result.format,
      version: data.result.version,
      width: 150,
      height: 100,
    }

danielfone

a=n.gsub(?|,' ').split$/
i=!p;t=a.map(&:chars).transpose.map(&:join).select{i^=a}.sort_by{|s|s[/[A-Z]/][0]}
x=0;t.map{|t|y=0;u=p;t.chars{|c|u&&a[y][x,3]=?|*3;a[y][x+1]=c;y+=1;u|=c=='_'};x+=2}
a.join$/

danielfone

def changes
  @changes ||= created_changes + updated_changes + deleted_changes
end

def created_changes
  changes_for created_fields, :created
end

def updated_changes
  changes_for updated_fields, :updated

danielfone

#! /usr/bin/env ruby

require 'active_record' # 4.2.3
require 'paperclip' # 4.3.0

ActiveRecord::Migration.verbose = false
ActiveRecord::Base.establish_connection(:adapter => "sqlite3", :database => ":memory:")
ActiveRecord::Base.raise_in_transactional_callbacks = true
ActiveRecord::Schema.define(:version => 1) do
  create_table :widgets, force: true do |t|

danielfone

Small Arrays: (80 + 40)
Calculating -------------------------------------
           b & a | a    24.860k i/100ms
             sort_by    27.909k i/100ms
                 set     7.622k i/100ms
-------------------------------------------------
           b & a | a    339.055k (± 3.3%) i/s -      1.715M
             sort_by    393.757k (± 2.9%) i/s -      1.982M
                 set     84.387k (± 2.1%) i/s -    426.832k