SoftwaresCraftedAndLibrariesAvailable

@NOOOTSABProudhusbandandfather

pol'bonLidjeu

HavetowearglassessinceMathsgraduationin'03LearntodresswellsinceCSgraduationin'05

LostmyselfsinceexpertizeinGeomaticandGISRiskingmyselfin (GIS,BigDataandScala)

Publicinterestwork:co-foundedHelperandorganizerof

Scala

NextLabWajug

Devoxx4Kidstrainer

SOFTS(ANDCOMPANIES)

Newcompaniespoppingouteveryday

Marketleadersaretakingthestepaswell

Examples?

THEWHYFIRST?

ScalahasareputationtobeaccessibleIteasesthemaths(mostly[matrix]algebra)

TheCSworldischanging(fast)Itshiftsfromthecloudtoanalysis

MINDCANDY

ExpressivityTests(spec)

Typesystembytecodemanipulation

REPL

AkkaKafka

COURSERA

10⁶onlinestudentsPHP→Scala

ConcurrencyprimitivesPlay

TypesafetyEcosystem

MEETUP

10⁶attendantsworldwideMarketingandannouncementbroadcastsFunctionalprogrammingbesidestatisticalone

TWITTER

REPLcaseclasses

productivitygainsconcisecode

ScalaschoolTensofopensourcelibs

KLOUT

10⁹APIcall...aday1To...aday(usingIteratee)

Play!1⇝Play!2

NETFLIX

BilliondevicesHistoricaleventsReal-timeanalytics

ProperAPI(Option)Async(Try)

Scalatra+ScalaTest

ANDMORE

AirBnB

Snips(smartcities,...)

Tuplejump(analyticplatform)

eBay(analytics)

BBC(FutureMediaproject)

Virdata(IoTanalyticplatform)

Ooyala(videoanalyticplatform)

LIBRARIES(ANDFRAMEWORKS)

Ofcourse,thereisafashion/hypeeffectOpendoorsforrewriting

Sometimesforgoodreasons

But,offerednewvisions,waystoo

AKKA

ActormodelSupervision(fault-tolerant)

ClustermodeLocationtransparencyAllthankstoMPS

Scalafor:immutabilityfeaturesfunctionalstyletypesafety(channel)

SLICKSimpleDBaccessNotanORM

YetallowstypesafemappingDatacollectionasfirstclasscitizen

SPRAY|FINAGLEMeantforback-endservicesAgnosticoftheprotocols

Async

SprayDSLforrouting,...

GreatreactiveIOLayer

FinagleGreatsupportofbinaryprotocols

FailuredetectionLoadbalancing

SPARK

MapReduce~CallbackHellofBigData

ResilientDistributedDataset

Fault-tolerantandresilient:Lineage

DAGandOptimization:Stage

In-memory(fallbackondisk,tachyon,...)

PLAY!2

Shortensthedevelopmentlifecycle!Typesafetyandcodeeverywhere

RESTfulfriendIntegrated

HTTPbasedReactive(end-to-end)Asyncaslineofconduct

Arequestcanbelong--WScomesforfree

MAHOUT

TedDunningsays,

Scalabecause...

Mathsareeasier

Lazyevalarehandy

Compacity

DSL

ANDMORE

Pickling Gatling

AlgebirdIago

Kafka

Axle

Saddle

ScalaNLP

Cassovary

Shapeless

GeotrellisScalding

SHOWTIME

Voteclient:Play!2

Vote-server:Akka

Vote-results:Spark

sources