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config.active_record.whitelist_attributes = true

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(defun activesupport-underscore (string)
  "underscores string just like in ActiveSupport inflector"
  (let ((case-fold-search nil))
    (downcase
     (reduce (lambda (string replacement)
               (replace-regexp-in-string (car replacement) (cadr replacement) string))
             '(("::" "/")
               ("\\([[:upper:]]+\\)\\([[:upper:]][[:lower:]]\\)" "\\1_\\2")
               ("\\([[:lower:][:digit:]]\\)\\([[:upper:]]\\)" "\\1_\\2")
               ("-" "_"))

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start on startup
exec /usr/local/bin/scanner.rb

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(defun activesupport-camelize (string &rest args)
  "camelizes string just like in ActiveSupport inflector"
  (and (= 0 (length args)) (setq args '(t)))
  (reduce (lambda (string replacement)
            (replace-regexp-in-string (car replacement) (cadr replacement) string))
          '(("^." (lambda (match) (upcase match)))
            ("_." (lambda (match) (upcase (substring match 1))))
            ("/.?" (lambda (match) (concat "::" (upcase (substring match 1)))) string))
          :initial-value string
          :start (if (car args) 0 1)))

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class UserMailer < ActionMailer::Base
  # ...

  def daily_news(user)
    mail(to: user.email, subject: "Daily newsletter")
  end

  private

  def accepts_delivery?(address)

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#!/usr/bin/env ruby

pictures = ARGV.map(&:to_i).sort
desired_group_size = ENV["GROUP_SIZE"].to_i
min_distance, max_distance = pictures.each_cons(2).map { |a, b| b - a }.minmax
groups = pictures.map { |picture| [picture] }

# Calculates distance factor using linear function.
#
# 1.0 when distance == min_distance

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(defun next-generation (board)
  (loop for row being the elements of board using (index x) collect
        (loop for col being the elements of row using (index y) collect
              (next-cell-p x y board))))

(defun next-cell-p (x y board)
  (let ((count (neighbours-count x y board))
        (cell (cell-p x y board)))
    (or
     (and cell (or (= count 2) (= count 3)))

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ack -oh '\bt\("([^"]*)".*:default => "([^"]*)"' --output="\$1: \\\"\$2\\\""

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#!/bin/bash
if [ $# -ne 1 ]; then
    echo "Zla liczba argumentow"
else
    for user in `who | cut -d' ' -f1 | uniq`; do
        for group in `groups $user`; do
            if [ $group == $1 ]; then
                echo $user
            fi
        done

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// state = {
//     deal: {
//         n: ["HA", "..."],
//         e: ["DA", "..."],
//         s: ["SA", "..."],
//         w: ["CA", "..."]
//     },
//     vulnerability: "BOTH",
//     dealer: "E",
//     bids: ["PASS", "1C", "X", "..."],