gregnavis

Rails.application.routes.draw do
  resources :uploads, only: :show do
    member do
      post :download
    end
  end
end

gregnavis

Rails.application.routes.draw do
  resources :uploads, only: :show
end

gregnavis

class ActiveSupport::TestCase
  def run
    read_io, write_io = IO.pipe
    read_io.binmode
    write_io.binmode

    if fork
      # Parent: load the result sent from the child

      write_io.close

gregnavis

class Logging::ExtendedFormatter
  def initialize(class_name, formatter)
    @class_name = class_name
    @formatter = formatter
  end

  def call(severity, datetime, progname, msg)
    @formatter.call(severity, datetime, progname(progname), msg(msg))
  end

gregnavis

'''
>>> parse_markdown('This is a paragraph.')
Markdown([Paragraph([Text('This is a paragraph.')])])

>>> parse_markdown('The first paragraph.\\n\\nThe second paragraph.')
Markdown([Paragraph([Text('The first paragraph.')]), Paragraph([Text('The second paragraph.')])])

>>> parse_markdown('Emphasis *is* supported.')
Markdown([Paragraph([Text('Emphasis '), Emphasis('is'), Text(' supported.')])])

gregnavis

module Authentication
  def login
    puts 'Authentication#login'
    super
  end
end

class User
  prepend Authentication

gregnavis

class CreateOneTimeSwitches < ActiveRecord::Migration
  def change
    create_table :one_time_switches do |t|
      t.string :name, null: false
      t.timestamp :created_at, null: false

      t.index :name, unique: true
    end
  end
end

gregnavis

class InsertQuery
  def initialize(model_class, column_names, returning = nil)
    @model_class = model_class
    @column_names = column_names
    @returning = returning

    @rows = []
    @executed = false
  end

gregnavis

class Polynomial
  # maps e.g. {x: 1, y: 2} => 3 which corresponds to term 3 * x ** 1 * y ** 2
  attr_reader :coefficients

  def initialize(coefficients = {})
    puts @coefficients.inspect
    @coefficients = coefficients.reject do |_index, coefficient|
      coefficient == 0
    end
  end

gregnavis

import bdb


# This is a custom debugger that calls the specified handler on each function
# call.
class _CallTracerBdb(bdb.Bdb):
    def __init__(self, call_handler, return_handler):
        bdb.Bdb.__init__(self)
        self._call_handler = call_handler
        self._return_handler = return_handler