daveduthie

;                    Quick miniKanren-like code 
;
; written at the meeting of a Functional Programming Group
; (Toukyou/Shibuya, Apr 29, 2006), as a quick illustration of logic
; programming.  The code is really quite trivial and unsophisticated:
; it was written without any preparation whatsoever. The present file
; adds comments and makes minor adjustments.
;
; $Id: sokuza-kanren.scm,v 1.1 2006/05/10 23:12:41 oleg Exp oleg $

daveduthie

Clojure Destructuring Tutorial and Cheat Sheet

(Related blog post)

Simply put, destructuring in Clojure is a way extract values from a datastructure and bind them to symbols, without having to explicitly traverse the datstructure. It allows for elegant and concise Clojure code.

Vectors

daveduthie

; Church Numerals in Clojure
;
; Church numerals use anonymous functions to represent numbers.
;
; ((zero f) x) -- returns x
; ((one f)  x) -- return (f x)
; ((two f)  x) -- return (f (f x))
; ...

(def zero (fn [f] (fn [x] x)))

daveduthie

##Working with ansible-vault

I've been using a lot of Ansible lately and while almost everything has been great, finding a clean way to implement ansible-vault wasn't immediately apparent.

What I decided on was the following: put your secret information into a vars file, reference that vars file from your task, and encrypt the whole vars file using ansible-vault encrypt.

Let's use an example: You're writing an Ansible role and want to encrypt the spoiler for the movie Aliens.

daveduthie

Friendly

A beginner-friendly REPL that combines

• rebel-readline
• Pyro
• Expound

Usage

daveduthie

Debicheck mandate
  Some starting state
    Confirm signatures -> Signatures confirmed
    
  A parallel FSM&
    
    Document FSM
      Signatures confirmed
        Upload FICA docs -> FICA docs uploaded
      FICA docs uploaded