Hamming Error Correction with Kotlin – part 2
In this article, we continue where we left off and focus solely on error detection for Hamming codes.
https://touk.pl/blog/2017/10/17/hamming-error-correction-with-kotlin-part-1/ Read more
Hamming Error Correction with Kotlin – part 1
Hamming code is one of the Computer Science/Telecommunication classics.
In this article, we’ll revisit the topic and implement a stateless Hamming(7,4) encoder using Kotlin.
Hamming Read more
Sneakily Throwing Exceptions in Lambda Expressions in Java
Handling checked exceptions in lambda expressions is often frustrating. Luckily, there is a type inference rule that we can exploit… Read more
Bypassing Kotlin’s Null-Safety
In this short article, we will have a look at how we can bypass Kotlin’s native null-safety with sun.misc.Unsafe, and see why it can be Read more
Maintaining PriorityQueue Order with Java Streams
The tricky thing about working with PriorityQueues is that, ironically, they don’t always behave according to the PriorityQueue semantics. Read more
Easy fraud detection in Nigerian bank with TouK Nussknacker
Problem
We have a large mysql database with payment transactions from multiple banks, aggregated for Nigerian biggest operator. Each day the customers create about 300 Read more
TouK Nussknacker – using Apache Flink made easier for analysts and business
Few weeks ago we (TouK) revealed on Github our latest open source project – Nussknacker. What is it and why should you care?
Why?
First, Read more
Idiomatic Peeking with Java Stream API
The peek() method from the Java Stream API is often misunderstood. Let’s try to clarify how it works and when should be used.
Stream
Introduction Read more
Gerrit notifications via Rocket.Chat
Case
Gerrit often sends a lot of emails, especially if you take part in many projects. For a while we felt that sometimes it’s hard Read more
Tired of exporting your OSGI metatype to client manually?
Feel my pain
We use OSGi, but we don’t deploy our bundles further than testing environment. It is our client who deploys it to production. Read more