Dave Dixon sparkofreason

Staff Software Engineer at Credit Karma

sparkofreason / gist:efaf545b1a697af9a5c2cf3dee12680c

Created September 10, 2018 17:19

Exception thrown importing Clojure gen-class impl of Kafka SourceConnector

	#error{:cause "Implementing class",
	:via [{:type clojure.lang.Compiler$CompilerException,
	:message "java.lang.IncompatibleClassChangeError: Implementing class, compiling:(C:/Users/dave/Projects/Compute/metrics-kafka-connector/test/compute/metrics_kafka_connector_test.clj:1:1)",
	:at [clojure.lang.Compiler load "Compiler.java" 7526]}
	{:type java.lang.IncompatibleClassChangeError,
	:message "Implementing class",
	:at [java.lang.ClassLoader defineClass1 "ClassLoader.java" -2]}],
	:trace [[java.lang.ClassLoader defineClass1 "ClassLoader.java" -2]
	[java.lang.ClassLoader defineClass "ClassLoader.java" 763]
	[java.security.SecureClassLoader defineClass "SecureClassLoader.java" 142]

sparkofreason / contour.json

Last active March 29, 2018 17:15

sparkofreason / maali-truth-maintenance.clj

Last active February 18, 2018 18:21

	(ns provisdom.examples.truth-maintenance
	(:require [clojure.spec.alpha :as s]
	[provisdom.maali.rules :refer [defrules defqueries defsession def-derive] :as rules]
	[clara.rules.accumulators :as acc]
	[clojure.pprint :refer [pprint]]))

	;;; Attribute specs
	(s/def ::location string?)
	(s/def ::temperature number?)
	(s/def ::high ::temperature)

sparkofreason / lens-cursor-inconsistency

Last active August 29, 2015 14:23

Inconsistencies in freactive lens-cursor and cursor behavior

	(ns freactive-sandbox.rx-test
	(:require-macros [freactive.macros :refer [rx debug-rx]])
	(:require [freactive.core :refer [atom cursor lens-cursor]]
	[freactive.dom :as dom]))

	(enable-console-print!)
	(def state (atom {:a 1 :b {:c 2 :d 3}}))

	(def lc
	(lens-cursor state :b))

sparkofreason / gss-polymer.html

Created June 9, 2015 00:24

Exception when using GSS with Polymer elements

	<!DOCTYPE html>
	<html>
	<head>
	<link rel="import" href="/paper-slider/paper-slider.html">
	</head>
	<body>

	<div>
	<style type="text/gss">
	#d1 {

sparkofreason / paper-button.html

Created June 3, 2015 15:36

	<!DOCTYPE html>
	<html>
	<head>
	<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
	<script src="/webcomponentsjs/webcomponents-lite.js"></script>
	<link rel="import" href="/paper-button/paper-button.html">
	</head>
	<body>

	<div>

sparkofreason / rx-test.cljs

Last active August 29, 2015 14:19

rx-expression with child cursor does not update correctly

	(ns freactive-sandbox.rx-test
	(:require-macros [freactive.macros :refer [rx debug-rx]])
	(:require [freactive.core :refer [atom cursor]]
	[freactive.dom :as dom]))

	#_(enable-console-print!)
	(def state (atom {:a 1 :b {:c 2 :d 3}}))
	(def b (cursor state :b))
	(def d (cursor state [:b :d]))

sparkofreason / freactive-sandbox.cljs

Created April 21, 2015 14:16

add-watch on freactive rx expression not working?

	(ns freactive-sandbox.core-test
	(:require-macros [freactive.macros :refer [rx]])
	(:require [freactive.core :refer [atom cursor]]))

	(enable-console-print!)

	(def x (atom {:a 1 :b {:c 2 :d 3}}))

	(def b (cursor x
	(fn [x] (:b x))

sparkofreason / util.cljx

Last active January 20, 2016 17:44

Utility functions for bridging Datomic/Datascript

	(ns allgress.datascript.util
	(:require [clojure.walk :refer [postwalk]]))

	;;; Datomic pull API will return :db/idents as references, like {:my-enum-att {:db/ident :enum-value}}.
	;;; This function replaces with the Datascript equivalent {:my-enum-att :enum-value}. Only works
	;;; for true "enums", whose only attribute in the entity map is :db/ident.
	defn replace-enum-refs [entity-map]
	(postwalk
	(fn [arg]
	(if (and (coll? arg) (map? (second arg)) (= 1 (count (second arg))) (contains? (second arg) :db/ident))