stuarthalloway

;; Datomic example code
;;
;; The extent of entity ?x is all datoms that are about ?x.
;; Drop this into your rules.
;;
;; Demonstrates
;;
;; 1. recursive query (extent calls itself)
;; 2. disjunction (different extent bodies are ORed)
;; 3. component attributes (e.g. your arm is a component, your brother isn't)

stuarthalloway

;; Datomic example code

;; make in memory database
(use '[datomic.api :only (q db) :as d])
(def uri "datomic:mem://matches")
(d/create-database uri)
(def conn (d/connect uri))

;; add the match attribute
(d/transact

stuarthalloway

;; Datomic example code
(use '[datomic.api :only (db q) :as d])

;; ?answer binds a scalar
(q '[:find ?answer :in ?answer]
   42)

;; of course you can bind more than one of anything
(q '[:find ?last ?first :in ?last ?first]
   "Doe" "John")

sshirokov

(defpackage :fsm 
  (:use :cl)
  (:export :standard-state-machine
           :standard-state-machine-event
           :state
           :defstate
           :deffsm))
(in-package :fsm)

;; Basic copy-pasta protection

sshirokov

(fsm:deffsm hi-fsm ()
  ())

(fsm:defstate hi-fsm :initial (fsm c)
  (case c
    (#\! :error)
    (#\H :want-i)))

(fsm:defstate hi-fsm :want-i (fsm c)
  (if (char-equal c #\i)

jedschneider

Working With Github Pages

The FAQ maintained by Github covers most stumbling blocks, some other tips and tricks supplied here.

Gitignore

Add _site to .gitignore. The generated site should not be uploaded to Github since its gets generated by github.

Working With Code Partials

MohamedAlaa

tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

noahlz

;; adopted from http://www.datomic.com/company/resources/getting-started
;; Clojure 1.4.0

;; user=> 
(use '[datomic.api :only [q db] :as d])
;;=> nil

;; user=> 
(doc d/q)
;; -------------------------

sile

(in-package :actor)

(defparameter *current-process* (make-process :background nil))
(define-symbol-macro self *current-process*)

;; fork
(defun fork-impl (fn)
  (let ((proc (make-process)))
    (execute-fork-fn fn proc)   ; forkしたプロセスを実行する
    proc))

jaeschliman

#|

  UPDATE: this file no longer works with the changes
  pushed to github today (2012-09-17) will fix it
  soon.

  A working overview of the protocol, sequence,
  iterator, and iterate+ packages.

  These packages are each quite small and are