johnjelinek

(ns string-calculator
  "My implementation of http://osherove.com/tdd-kata-1/"
  (:use [clojure.test :only (is)])
  (:require [clojure.tools.reader.edn :as edn]
            [clojure.string :as string :refer [join split]]))

; CODE

(defn parse-numbers [x]
  (map edn/read-string

johnjelinek

(defn slow-seq [s ms]
   (let [c (async/chan)]
     (async/go
       (loop [remain s]
         (if (empty? remain)
           (async/close! c)
           (do
             (async/<! (async/timeout ms))
             (async/>! c (take 10 remain))
             (recur (drop 10 remain))))))

johnjelinek

(ns boids
  (:use [enchilada :only [canvas ctx value-of canvas-size]]
        [jayq.core :only [show]]
        [monet.core :only [animation-frame]]
        [monet.canvas :only [save restore 
                             begin-path move-to line-to close-path 
                             stroke stroke-style fill fill-rect fill-style 
                             rotate translate]]
        [boids.rules :only [step make-boid]])
  (:require [boids.vector :refer [heading]]))

johnjelinek

JankyBrowser

The only cross-platform browser that fits in a Gist!

One line install. Works on Linux, MacOSX and Windows.

Local Install

$> npm install http://gist.github.com/johnjelinek/148007be82c27eb3cd6e/download

johnjelinek

counter = (futureDate) ->
  today = new Date
  count = Math.floor (futureDate - today) / 1000
  countdown = setInterval ->
    $("#d").html Math.floor count / ( 60 * 60 * 24 )
    temp = count % ( 60 * 60 * 24 )
    $("#h").html Math.floor temp / ( 60 * 60 )
    temp = count % ( 60 * 60 )
    $("#m").html Math.floor temp / 60
    temp = count % 60

johnjelinek

public Thread getBarchartStream(Observer observer, String symbol, int interval, String intervalType, String startDate) {
    Request request = new RequestBuilder("GET")
            .setUrl(BASEURL + String.format("stream/barchart/%s/%s/%s/%s",
                    symbol, interval, intervalType, startDate))
            .addHeader("Content-Type", "application/x-www-form-urlencoded")
            .addHeader("Authorization", "Bearer " + this.token.getAccess_token())
            .build();

    // create an event source
    final StreamSource streamSource = new StreamSource<IntradayBar>(request, IntradayBar.class);

johnjelinek

Windows Vagrant Box Maker

It's been incredibly difficult to get Windows boxes up on http://vagrantbox.es. Between licensing and trial keys, offering a windows box has been a challenge. Not anymore! With the Windows Vagrant Box Maker, a fully functional box is generated daily and can be downloaded whenever you need it!

johnjelinek

AWSTemplateFormatVersion: '2010-09-09'
Description: Create a Serverless stack with CloudFormation using Serverless Application Model
Transform: AWS::Serverless-2016-10-31
Resources:
  CSharpHelloWorld:
    Type: AWS::Serverless::Function
    Description: Use a lambda function to print Hello World
    Properties:
      Handler: csharplambda::CSharpFunction.HelloWorld::Handler
      Runtime: dotnetcore1.0

johnjelinek

Beginning to Clojure

Lately, I’ve been training some people outside of my day job in Clojure. This

johnjelinek

 INFO global: Vagrant version: 1.6.2
 INFO global: Ruby version: 2.0.0
 INFO global: RubyGems version: 2.0.14
 INFO global: VAGRANT_EXECUTABLE="/Applications/Vagrant/bin/../embedded/gems/gems/vagrant-1.6.2/bin/vagrant"
 INFO global: VAGRANT_INSTALLER_EMBEDDED_DIR="/Applications/Vagrant/bin/../embedded"
 INFO global: VAGRANT_INSTALLER_VERSION="2"
 INFO global: VAGRANT_DETECTED_OS="Darwin"
 INFO global: VAGRANT_INSTALLER_ENV="1"
 INFO global: VAGRANT_INTERNAL_BUNDLERIZED="1"
 INFO global: VAGRANT_LOG="debug"