mtkd

# Test perf difference between try and safe navigator in Ruby 2.3.0

require 'benchmark'
require 'active_support'
require 'active_support/core_ext/object'

Benchmark.bm do |x|
  obj = 0
  x.report { 10000.times do; obj.try(:to_s); end; }
  x.report { 10000.times do; obj&.to_s; end; }

mtkd

# Test to see how much time checking super defined costs (approx 10%)

require 'benchmark'

class Base
  def meth; end
end

class WithSuperCheck < Base
  def meth; super  if defined?(super); end

mtkd

# without new_record set it silently doesn't save
new_document = Marshal.load(Marshal.dump(self))
new_document._id = Moped::BSON::ObjectId.new
new_document.new_record = true
new_document.save

mtkd

Keybase proof

I hereby claim:

• I am mtkd on github.
• I am mtkd (https://keybase.io/mtkd) on keybase.
• I have a public key whose fingerprint is 3B14 B113 0FDD 8519 4F62 3356 C531 D614 ABF8 DE15

To claim this, I am signing this object:

mtkd

# not obvious from the database_cleaner documentation
# this is snippets of relevant parts, it's not meant to run

require 'mongo'
require 'database_cleaner'
require 'database_cleaner/mongo/base'

include Mongo

@mongo_client = MongoClient.new

mtkd

exc = assert_raises Mongoid::Errors::Validations do
  subject.do_something
end
assert exc.message.include?("something failed")

mtkd

cd ~/Library/Application Support/Sublime Text 2/Packages
mv ./User/ ./User_old/
ln -s ~/Dropbox/Sublime/Packages/User ./User

# Edit this in Package/Color Scheme - Default/Twilight
# <key>lineHighlight</key>
# <string>#302030</string>

mtkd

require 'net/smtp'

message = <<MESSAGE_END
From: Sender <name@sender_domain.com>
To: Receiver <name@receiver_domain.com>
Subject: SMTP e-mail test

This is a test e-mail message.
MESSAGE_END

mtkd

# return only HTTP status code
curl -sL -w "%{http_code}\\n" "http://news.ycombinator.com/" -o /dev/null

# return only HTTP status code and 302 URL
curl -sL -w "%{http_code} %{url_effective}\\n" "http://news.ycombinator.com/" -o /dev/null

# header only
curl -I news.ycombinator.com

# basic auth

mtkd

class FooSerializer < ActiveModel::Serializer
  attributes  :_id, :name

  def attributes
    h = super
    h.select! { |x| options[:only].include? x }  if options[:only]
    h
  end
end