robert-stuttaford

15-Aug-19 22:29:18 MacBook-Pro.local WARN [onyx.peer.task-lifecycle] -
                                java.lang.Thread.run              Thread.java:  745
  java.util.concurrent.ThreadPoolExecutor$Worker.run  ThreadPoolExecutor.java:  617
   java.util.concurrent.ThreadPoolExecutor.runWorker  ThreadPoolExecutor.java: 1142
                                                 ...
                   clojure.core.async/thread-call/fn                async.clj:  405
           onyx.peer.task-lifecycle.TaskLifeCycle/fn       task_lifecycle.clj:  706
         onyx.peer.task-lifecycle/run-task-lifecycle       task_lifecycle.clj:  431
                onyx.peer.task-lifecycle/write-batch       task_lifecycle.clj:  304
     onyx.plugin.datomic.DatomicLogInput/write-batch              datomic.clj:  255

robert-stuttaford

(ns onyx-tx-report-queue
  (:require [clojure.core.async :refer [>!! alts!! chan close! put! thread]]
            [clojure.tools.logging :as log]
            ;; :all so clj-refactor doesn't remove it:
            [onyx.plugin.core-async :refer :all] 
            [datomic.api :as d])
  (:import [java.util.concurrent TimeUnit]))

(defn prepare-datom [db [e a v tx added]]
  [e (d/ident db a) v tx added])

robert-stuttaford

(let [dt  #(-> (clj-time.core/date-time 2015 % %2)
               clj-time.coerce/to-date)
      now (d/db (d/connect (db/database-uri :main)))]
  [(db/conn (db/database-uri :main))
   (vec
    (for [db [now ;; 29th July 2015
              (-> now
                  (d/since (dt 2 1))) ;; 1st Feb 2015
              (-> now
                  (d/as-of (dt 2 1))) ;; 1st Feb 2015

robert-stuttaford

{:environment :production
 :global      {:logging-config "./logback.xml"}
 :onyx        {:job-scheduler  :onyx.job-scheduler/balanced
               :task-scheduler :onyx.task-scheduler/balanced
               :peer-config    {:onyx.messaging/impl :netty
                                :onyx.messaging/peer-port-range [40200 40220]
                                :onyx.messaging/peer-ports [40199]
                                :onyx.messaging/bind-addr "localhost"
                                :onyx.messaging/backpressure-strategy :high-restart-latency}
               :peer-count     20

robert-stuttaford

(ns scratch
  (:require [datomic.api :as d]))

(def u "datomic:mem://component-test")

(d/delete-database u)
(d/create-database u)

(def c (d/connect u))

robert-stuttaford

;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;;; Connection

(defprotocol DatomicConnection
  (as-conn [_]))

(extend-protocol DatomicConnection
  datomic.Connection
  (as-conn [c] c)
  datomic.db.Db

robert-stuttaford

(ns app
  (:require [om.core :as om :include-macros true]))
            
(defn log-tx [tx-data root-cursor]
  (let [{:keys [path old-value new-value]} tx-data
        c js/console]
    (doto c (.group (str "TRANSACTION " path)) (.groupCollapsed "OLD"))
    (prn (pr-str old-value))
    (doto c (.groupEnd) (.group "NEW"))
    (prn (pr-str new-value))

robert-stuttaford

Immutable data...base?: Notes

These notes accompany a talk I gave on the 6th of February at RubyFuza 2014.

• Twitter: @RobStuttaford

Materials for this talk

• Slides: https://speakerdeck.com/robertstuttaford/immutable-data-dot-dot-dot-base
• Code: https://github.com/robert-stuttaford/rubyfuza

robert-stuttaford

Gain massive leverage in your tech stack with Clojure: Notes

• These notes accompany a talk I gave on the 9th of October at Tech4Africa 2013.

• Twitter: @RobStuttaford

Materials for this talk

• Slides: https://speakerdeck.com/robertstuttaford/gain-massive-leverage-in-your-tech-stack-with-clojure
• Source code: https://github.com/robert-stuttaford/leverage

robert-stuttaford

Compass / SASS / SCSS

• http://compass-style.org/reference/compass
• http://37signals.com/svn/posts/3271-easy-retina-ready-images-using-scss
• https://github.com/paranoida/sass-mediaqueries
• http://web-design-weekly.com/2013/05/12/handy-sass-mixins

CSS

• http://css3clickchart.com
• http://dochub.io/
• http://kushagragour.in/lab/hint/