ghoseb

;;
;; NS CHEATSHEET
;;
;; * :require makes functions available with a namespace prefix
;;  and optionally can refer functions to the current ns.
;;
;; * :import refers Java classes to the current namespace.
;;
;; * :refer-clojure affects availability of built-in (clojure.core)
;;   functions.

ghoseb

#Newbie programmer
def factorial(x):
    if x == 0:
        return 1
    else:
        return x * factorial(x - 1)
print factorial(6)


#First year programmer, studied Pascal

ghoseb

;;; http://srfi.schemers.org/srfi-26/srfi-26.html

(defn ^:private cut*
  [[a f] form]
  (cond
   (nil? form) [a f]

   (seq? (first form))
   (let [[arg-list xform] (cut* [[] '()] (first form))]
     (recur [(reduce conj a arg-list) (concat f (list xform))] (next form)))

ghoseb

(ns mars.rover)


;; A squad of robotic rovers are to be landed by NASA on a plateau on
;; Mars.

;; This plateau, which is curiously rectangular, must be navigated by the
;; rovers so that their on-board cameras can get a complete view of the
;; surrounding terrain to send back to Earth.

ghoseb

(ns file-cols.core
  "Print the source-line length histogram of a bunch of files as a histogram.
  Inspired by: https://gist.github.com/rsms/36bda3b5c8ab83d951e45ed788a184f4"
  (:require [clojure.java.io :as io]))

(def uni-bar
  "Unicode bars for histogram."
  ["" "▏" "▎" "▍" "▌" "▋" "▊" "▉" "█"])

(def quot-rem-8

ghoseb

                               Colossal Typewriter
                           by John McCarthy and Roland
                               Silver for the PDP-1  |   Photon typesetter
                                ?                    |   editors by Michael
                                ?                     \  Barnett & Kalon
             Expensive Typewriter        CREATE/EDIT   \  Kelley for      TECO
           for PDP-1 by Steve Piner       for CTSS      \ IBM 704     for PDP-1
                   /         |           /     |  \      \__  \   by Dan Murphy
                  /          |          /      |   \        \  \            |
  * Expensive Typewriter  editors      EDITS   | MEMO/MODIFY |  |   VEDIT   |

ghoseb

Is constant stimulation hurting our creativity—and the economy? Scott Adams pays tribute to tedium

By Scott Adams

We’ve won the war on boredom! If you have a smartphone in your pocket, a game console in the living room, a Kindle in your backpack and an iPad in the kitchen, you never need to suffer a minute without stimulation. Yay!

ghoseb

(ns clj-spec-playground
  (:require [clojure.string :as str]
            [clojure.spec :as s]
            [clojure.test.check.generators :as gen]))

;;; examples of clojure.spec being used like a gradual/dependently typed system.

(defn make-user
  "Create a map of inputs after splitting name."
  ([name email]

ghoseb

from gevent import monkey; monkey.patch_all()
import gevent
import gevent.greenlet
from functools import partial
from random import random

import urllib
import urllib2

def on_exception(fun, greenlet):

ghoseb

(ns prime-sieve
  (:require [clojure.core.async :as async :refer [chan go <! >!]]))


;;; concurrent prime sieve in Clojure using core.async
;; inspired by a similar implementation in Go
;; http://golang.org/doc/play/sieve.go

(defmacro go-forever
  "An infinite loop that runs in a go block."