Philly ETE
Hello, world We start with the HelloWorld app and the HelloWorldService, which show the low-level Spray API. We begin with class HelloWorldService extends Actor { def receive: Receive = { case r:...
View ArticleEngineering diversity
Yesterday was Cake Solutions’ team dinner & drinks. The company, food & good drinks were great. But what made me very happy was the real diversity. The engineers at Cake do not fit any...
View ArticleNew & cool in Spray 1.2.0 (part II)
In the previous post, I showed you the improvements to the chunked request handling. Unfortunately, I had to deal with uri.path.toString(), which I hope you too found rather unsatisfactory. Let me...
View ArticleNew & cool in Spray 1.2.0 (part I)
In my Scala Days 2013 talk, I showed a computer vision application that sent chunks of the H.264 or MJPEG stream to my Scala application using chunked HTTP post. Naturally, I used Spray for the HTTP...
View ArticleThis week in #Scala (24/03/2014)
Welcome to another edition of #ThisWeekInScala! Typesafe in conjunction with BoldRadius launched a new tool: Go Typesafe! It should help you to convince your peers and management in using the Typesafe...
View ArticleThis week in #Scala (10/03/2014)
Welcome to another edition of #ThisWeekInScala! Functional Programming Principles in Scala, the course by Martin Odersky on coursera will have a new session starting on April 25, registration is open!...
View ArticleCMSampleBufferRef from CGImageRef
Taking a detour from the usual Scala / FP code, I want to post a quick solution to a problem I was facing in an iOS codebase. The task was to convert CGImageRef to CMSampleBufferRef. I needed this code...
View ArticleThis week in #Scala (03/02/2014)
Welcome to another edition of #ThisWeekInScala! Lets catch-up on the latest Scala happenings … New Stuff Scala 2.11.0-M8, the final milestone release of Scala 2.11.0 is now available Akka 2.3.0-RC2...
View ArticleHaskell, WebSockets and D3.js II
In this post, I will add the support for generating expressions to the Haskell, WebSockets and D3.js codebase. The users will submit expressions such as evendistr 20 [0..100] 100 times every 500ms; our...
View ArticleHaskell, WebSockets and D3.js
This is the first in the series of posts where I will explore a simple application that allows you to analyse and present data in interesting ways. I will be writing a nice AngularJS client, with the...
View ArticleThis year in Scala (2013)
In place of the traditional This week in Scala, I give you This year in Scala. It is my take on what has happened in the Scala and the wider JVM world, and I will even throw in some of … Read more →
View ArticleMonad transformers
Let’s expand our random Person generator to include keep track of the count of people generated and to write out some values during the generating process. For motivation, let’s say we want to see not...
View ArticleRandomness
In my strongly-typed FP workshop, I show examples of the collection API in Scala by generating random Person instance. I use List.fill(100000) { Person(randomString, randomString, randomInt) }, where...
View ArticleTypeclases in Scala & Haskell
Typeclass is a concept in Scala and Haskell (and in some other strongly-typed languages). The best way to think about a typeclass is that it is an interface, which defines functions. Great. Typically,...
View ArticleNew & cool in Spray 1.2.0 (part II)
In the previous post, I showed you the improvements to the chunked request handling. Unfortunately, I had to deal with uri.path.toString(), which I hope you too found rather unsatisfactory. Let me...
View ArticleNew & cool in Spray 1.2.0 (part I)
In my Scala Days 2013 talk, I showed a computer vision application that sent chunks of the H.264 or MJPEG stream to my Scala application using chunked HTTP post. Naturally, I used Spray for the HTTP...
View ArticleActivator tutorials in Markdown
I find writing HTML rather inconvenient; a fact made even worse by wanting to re-use the same content for the Typesafe Activator and for this blog. Because of that, I wrote a simple Sbt plugin that...
View ArticleStreaming Twitter API in Akka and Spray
In this tutorial, I am going to use the Spray Client, Akka IO and core Akka to build an application that streams tweets and then performs trivial analysis of the received data. It shows you how to...
View ArticleEngineers wanted
I am looking for Scala / modern Java and devops engineers to join the Cake Solutions team as soon as possible. What to expect You can expect a lively and challenging environment with very interesting...
View ArticleMonitoring Akka
In this post, I will show you how to monitor your Akka application in Datadog. The code is now available in the latest snapshot of our monitoring project; you can include it in your Akka applications...
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