7yJxjDY2t6BtjKgxBQaX Concurrency in Scala How plain Scala approaches concurrency? Future “monad” is the answer (actor model was also part of Scala but got deprecated in Scala 2.10). Everyone used or use Scala Futures. People coming to Scala from Java are thrilled by the API it offers (comparing to Java Future). It is also quite fast, nicely … Read more
I am going to write a series of a few posts about the transition from the basic AWS ElasticBeanstalk SQS integration to the more generic, reactive model. Transition means that we have a current state that we want to change. So let’s start with the basic AWS SQS integration. Amazon SQS is a HTTP-based managed service … Read more
Data types in a programming language are the description or classification of the data that instructs the compiler how to treat the data. Of course, they are not only for the compiler or interpreter but also for us, the developers, as they help us understand the code big time. This is a valid definition of … Read more
I’ve been doing programming in Scala for more than 2 years already. I think I can position myself somewhere here: From time to time I look at Scala Exercises or similar pages where I usually find some things that I do not know yet. In this blog I would like to share some of the Scala features I … Read more
Amazon Simple Queue Service (Amazon SQS) is a distributed message queuing service. It is similar to other well-known messaging solutions like RabbitMQ, ActiveMQ, etc. but it is hosted by Amazon. It is a really fast, configurable and relatively simple messaging solution. In my current company we strongly rely on the AWS infrastructure. One major Amazon cloud component … Read more
When the project starts we do not think about the certain things like dependency hell, modularisation or time needed to build the project. It is quite normal, the codebase is pretty small, there are not that many dependencies, etc. However when the time is passing, the time spend on building the application starts to be … Read more
Java collection framework is not that powerful as experienced Java developer would expect. For example, how do you sort a list? Simple answer would be to use java.util.Collections.sort() method with some kind of java.util.Comparator implementation. Additionally Guava Ordering support can be used. However, the solution is not exactly what object oriented developer looks for. Similarly to … Read more
I decided to write this post after watching Hadi Hariri’s talk at Geekout 2014 called “Mouseless Driven Development” According to Hadi, it is possible to code in Intellij Idea without even touching a mouse. I can believe it. In the post I am going to present some nice tricks which I use on my daily work … Read more
Every conference I have attended so far left me with new ideas and motivation to do things better on daily basis. This year 33rd Degree has given me the same boost as the previous ones. This blog post is a quick overview of tools/techniques I am going to investigate deeper after the conference and try … Read more
Inspired by a few talks during the last 33rd Degree conference I decided to implement, in one of the applications I develop, metrics which allow developers or operation team monitor running application and possibly detect potential problems early on. After a quick investigation I decided to use the Metrics framework. What I expected was exposing at least some statistics … Read more