ThomasAlexandre’s gists

ThomasAlexandre / Shapeless sample1

Created September 23, 2015 21:10

	import io.circe._, io.circe.generic.auto._, io.circe.jawn._, io.circe.syntax._

	case class WIFI(network:String,password:String)

	val myWifi = WIFI("Scala","My_Wifi_Password")

	myWifi.asJson

	myWifi.asJson.noSpaces // will return a String "{"password":"My_Wifi_Password","network":"Scala"}"

ThomasAlexandre / Streams in scala

Last active September 23, 2015 20:55

	import org.joda.time._

	val dateStream: Stream[LocalDate] = {
	def loop(ld: LocalDate): Stream[LocalDate] = ld #:: loop(ld plusDays 1)
	loop(LocalDate.now())
	}

	dateStream.take(18).toList

ThomasAlexandre / designer.html

Created August 7, 2014 08:26

designer

	<link rel="import" href="../components/polymer/polymer.html">

	<polymer-element name="my-element">

	<template>
	<style>
	#design_host {
	position: absolute;
	width: 100%;
	height: 100%;

ThomasAlexandre / Scala One-liner.scala

Created February 20, 2012 12:30

JFokus 2012 Summary of "Scala One-liners" talk

	case class Deal(title:String="",disc:Int=0,city:String="")
	val r = url("http://localhost:8086")
	(for{x<-Http(r<>{_\"deal"});d=(x\"disc").text.toInt if d>20}yield Deal((x\"title").text,d,(x\"city").text))groupBy(_.city)mapValues(_.size)

ThomasAlexandre / groupon service dispatch.scala

Created February 15, 2012 20:23

JFokus 2012 v1 - sample from "One liners are your friend"

	Http(url("http://api.groupon.com/v2/divisions.xml?client_id=<your_client_id>") >>> System.out)
	Http(url("http://api.groupon.com/v2/divisions.xml?client_id=<your_client_id>") as_str)
	val grouponCitiesURL = url("http://api.groupon.com/v2/divisions.xml?client_id=<your_client_id>")
	Http(grouponCitiesURL as_str)
	val citiesAsXML = Http(grouponCitiesURL <> { response => response \\ "division" })
	val cityNames = citiesAsXML map ( city => (city \ "name").text )
	val cityNames = citiesAsXML map ( city => (city \ "name").text ) filter(_.startsWith("H"))
	val cityLocations = citiesAsXML map { city => ((city \ "name").text,(city \ "lat").text,(city \ "lng").text) }
	cityLocations find (location => location._1 == "Honolulu")
	cityLocations find (_._1 == "Honolulu")

ThomasAlexandre / REPL power mode.scala

Created February 15, 2012 20:19

Timing and Logging from REPL

	:power
	def using[A <: {def close(): Unit}, B](param: A)(f: A => B): B =
	try { f(param) } finally { param.close() }
	def appendToFile(fileName:String, textData:String) =
	using (new java.io.FileWriter(fileName, true)){
	fileWriter => using (new java.io.PrintWriter(fileWriter)) {
	printWriter => printWriter.println(textData)
	}
	}
	def timedAndLogged[T](body: => T): T = {

ThomasAlexandre / JFokus 2012 scala oneliners.scala

Created February 15, 2012 20:16

JFOKUS 2012 Sample from "One-liners are your friend"

	case class Deal( title:String = "", discount:Int = 0, city:String = "" )
	val deal = Deal()
	val deal = Deal("Hotel")
	val deal = Deal("Hotel",city="Paris")
	val betterDeal = deal.copy(discount=50)
	import dispatch._
	val request = url("http://localhost:8086/deals")
	Http( request >>> System.out)
	val deals = Http( request as_str )
	val dealsAsXml = Http( request.handleResponseAsXml({ response => response }) )

ThomasAlexandre / JFokus 2012 akka sample.scala

Created February 15, 2012 20:15

Akka Simple Dataflow Concurrency Example

	import dispatch._
	import akka.dispatch._
	import Future.flow

	val params = Promise[Map[String,String]]()
	val deals = Future( Http( url("http://localhost:8086/deals") <<? params.get as_str ))
	println("Result:" + deals.result)
	flow { params << Map ("city" -> "stockholm") }
	Thread.sleep(2000)
	println("Result:" + deals.result)

ThomasAlexandre / scala case classes.scala

Created January 12, 2012 10:02

Jfokus 2012 scala case class example

	case class Conference(name:String="JFokus",year:Int=2011,myTalk:Option[String]=None)

	val lastYear = Conference()

	val thisYear = Conference(year=2012,myTalk=Some("One-liners are your friend"))

ThomasAlexandre / reduceLeft example.scala

Created January 12, 2012 09:58

Pair programming in the scala REPL with my 2-year old son

val teletubbies = List("Tinky Winky","Dipsy","Laa-Laa","Po").reduceLeft(_+", "+_) + " say hello"

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