marianposaceanu

{
# First, we need to add an empty key/value tuple (just an empty fork) to this `execution`, in preperation for
# making a `locals` list to store variables on.
# 
# ┌ - we have to assume that native juxtaposition of `infrastructure` against the root-level `execution` will
# │   somehow “fall through.” I haven’t yet figured out the semantics of Nuclear-level scoping/fall-through.
# │   - considering: if `<this> locals` nothingnesses-out, then we juxtapose against enclosing scope at the
# │     interpreter level (which would imply, at this root scope, juxtaposing against the global scope I suppose)
# │ 
# │ ┌ - no `call()` implemented at this level, so we have to assume that the native-default juxtaposition for

marianposaceanu

Benchmark results

Ruby 2.1.0

                               user     system      total        real
StandardSingleton:         0.141000   0.000000   0.141000 (  0.129891)
MethodMissingSingleton:    0.125000   0.000000   0.125000 (  0.130870)

marianposaceanu

# CLOSURES IN RUBY     Paul Cantrell    http://innig.net
# Email: username "cantrell", domain name "pobox.com"
 
# I recommend executing this file, then reading it alongside its output.
#
# Alteratively, you can give yourself a sort of Ruby test by deleting all the comments,
# then trying to guess the output of the code!
 
# A closure is a block of code which meets three criteria:
# 

marianposaceanu

module Sq
  class Template < Sequel::Model
    one_to_many :fields

    def mapped_template_ids
      FieldMapping.as(:m).
        join(Field.named(:f), id: :field_id, template_id: id).
        join(Field.named(:mf), id: :m__mapped_field_id).
        distinct.select_map(:mf__template_id)
    end

marianposaceanu

How to Find Where Ruby Methods are Defined

method(:page_title).source_location

# => ["/Users/ben/.rvm/gems/ruby-2.0.0-p353/gems/flutie-1.3.3/app/helpers/page_title_helper.rb", 2]

marianposaceanu

Run sudo commands without entering a password

Simple way to run stuff like sudo shutdown without entering a password.

Tip: do not use this in production, I use it to shutdown my VMs when I'm done working

1. run: sudo EDITOR=vim visudo
2. add a new group, let's say named noners : %noners ALL=(ALL) ALL
3. run: sudo vim /etc/sudoers.d/g_noners
4. let's say the user you want to run sudo without password is marian then just add:

marianposaceanu

data_sample = [
  name: "Mrianescu"
  coords: [0, 0]
,
  name: "Marianescu"
  coords: [0, 0]
,
  name: "Marian"
  coords: [0, 0]
,

marianposaceanu

Faster specs

Add to Gemfile into test and development groups:

gem 'perftools.rb', require: 'perftools'

From the command line:

marianposaceanu

Linux fun-o-matic

How to have some fun using the terminal.

1. Install cowsay [0] via : sudo apt-get install cowsay
2. Install fortune [1] via : sudo apt-get install fortune
3. Make sure you have Ruby installed via : ruby -v
4. Install the lolcat [2] via : gem gem install lolcat
5. Profit!

marianposaceanu

module KawaiiPhrase
  # Makes awesome random phrases such as "Enjoyable Green Turtle"

  ADJ_1 = [
    'epic',
    'tasty',
    'shiny',
    'mega',
    'ultra',
    'hyper',