cddr

(defn encrypt [attr]
  (reify
    clojure.lang.Named
    (getNamespace [this]
      (.getNamespace attr))
    (getName [this]
      (.getName attr))
    
    clojure.lang.IFn
    (invoke [_ obj]

cddr

(defentity Department
  :schema {:id Int
           :name Str}
  :uniqueness {:id :db.unique/identity})

cddr

(defentity Employee
  :schema {:id Int, :name Str}
  :links [(link :department [Department :id])]
  :uniqueness {:id :db.unique/identity})

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(defentity Cart
  :schema {:id Int
           :name Str
           :items [{:id Int
                    :qty Int
                    :price Num}]}
  :uniqueness {:id :db.unique/identity})

cddr

Setting up Emacs daemon on OS X

Tired of waiting for emacs to start on OS X? This step by step guide will teach you how to install the latest version of emacs and configure it to start in the background (daemon mode) and use emacsclient as your main editor.

Install Homebrew

First you'll need to install the [Homebrew package manager][brew] if yo haven't already. It is amazing.

cddr

$ deploy/samza/bin/run-job.sh --config-factory=org.apache.samza.config.factories.PropertiesConfigFactory --config-path=file://$PWD/deploy/samza/config/wikipedia-feed.properties
java version "1.8.0_40"
Java(TM) SE Runtime Environment (build 1.8.0_40-b25)
Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode)
java -Dlog4j.configuration=file:deploy/samza/bin/log4j-console.xml -Dsamza.log.dir=/Users/andychambers/workspace/hello-samza/deploy/samza -Djava.io.tmpdir=/Users/andychambers/workspace/hello-samza/deploy/samza/tmp -Xmx768M -XX:+PrintGCDateStamps -Xloggc:/Users/andychambers/workspace/hello-samza/deploy/samza/gc.log -XX:+UseGCLogFileRotation -XX:NumberOfGCLogFiles=10 -XX:GCLogFileSize=10241024 -d64 -cp /Users/andychambers/.samza/conf:/Users/andychambers/workspace/hello-samza/deploy/samza/lib/activation-1.1.jar:/Users/andychambers/workspace/hello-samza/deploy/samza/lib/akka-actor_2.10-2.1.2.jar:/Users/andychambers/workspace/hello-samza/deploy/samza/lib/aopalliance-1.0.jar:/Users/andychambers/workspac

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(def ^:dynamic *foo*)

(defn call-with-foo [foo-fn]
  (binding [*foo* 42]
    (foo-fn)))

(call-with-foo (fn []
                 (map (fn [_]
                        *foo*)
                      (range 10))))

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;; This one doesn't agree with Danny's test-cases but I think it matches the spirit of
;; the problem a little better in that it doesn't include an entry for the coin if
;; the quantity of that coin would be zero.
;;
;; Also, we're global, so I used UK coins
;;
;; So e.g. (change-coins 18) = {10 1, 5 1, 2 1, 1 1}

(def coins [100 50 20 10 5 2 1])

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Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/http/util/Args, compiling:(cemerick/pomegranate/aether.clj:42:54)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6730)
	at clojure.lang.Compiler.analyze(Compiler.java:6524)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6711)
	at clojure.lang.Compiler.analyze(Compiler.java:6524)
	at clojure.lang.Compiler.analyze(Compiler.java:6485)
	at clojure.lang.Compiler$BodyExpr$Parser.parse(Compiler.java:5861)
	at clojure.lang.Compiler$FnMethod.parse(Compiler.java:5296)
	at clojure.lang.Compiler$FnExpr.parse(Compiler.java:3925)
	at clojure.lang.Compiler.analyzeSeq(Compiler.java:6721)

cddr

# Shell prompt based on the Solarized Dark theme.
# Screenshot: http://i.imgur.com/EkEtphC.png
# Heavily inspired by @necolas’s prompt: https://github.com/necolas/dotfiles
# iTerm → Profiles → Text → use 13pt Monaco with 1.1 vertical spacing.

if [[ $COLORTERM = gnome-* && $TERM = xterm ]] && infocmp gnome-256color >/dev/null 2>&1; then
	export TERM='gnome-256color';
elif infocmp xterm-256color >/dev/null 2>&1; then
	export TERM='xterm-256color';
fi;