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Lifting in Scala

Partial functions are widely used in Scala. Just like their mathematical counterpart, a partial function, e.g f: X => Y, is a generalisation of functions, that don’t necessarily ma...

A Brief Story of flatMap

The function flatMap, in Scala, is basically a binding element (and also a functional combinator) in the language and key to understand some important concepts of functional programmi...

Scala Companion Objects

It’s a very common approach to create new objects using factory methods in object-oriented programming as it is in Java. It allows us to decrease coupling between software components ...

Scala Companion Objects

It’s a very common approach to create new objects using factory methods in object-oriented programming as it is in Java. It allows us to decrease coupling between software components ...

Lifting in Scala

Partial functions are widely used in Scala. Just like their mathematical counterpart, a partial function, e.g f: X => Y, is a generalisation of functions, that don’t necessarily ma...

A Brief Story of flatMap

The function flatMap, in Scala, is basically a binding element (and also a functional combinator) in the language and key to understand some important concepts of functional programmi...

Mesos: A Datacenter OS

Mesos: A Datacenter OS

Routine

Once you get a job, and code for others and get paid for it, you are a professional, a part of the whole, a cell in business organism and the business needs to survive in the competit...

R in Practice: Pipes

The more I write code in R, the more I am impressed with the facilities that the language provides which is perfectly tailored to cleaning and tidying data, one of the most crucial st...

R in Practice: Pipes

The more I write code in R, the more I am impressed with the facilities that the language provides which is perfectly tailored to cleaning and tidying data, one of the most crucial st...

R in Practice: Pipes

The more I write code in R, the more I am impressed with the facilities that the language provides which is perfectly tailored to cleaning and tidying data, one of the most crucial st...

Rhino: Load Testing Framework

Rhino Load and Performance Testing Framework is a sub-project of the Rhino umbrella project and an SDK which enables developers to write load and performance tests in JUnit style. Wit...

Coroutines in Java

A few months ago, as I was attending the Devoxx’18 Conference in Antwerp, Belgium, one of the most spectacular topics which I was excitedly looking forward to following, was the Proje...

How to Create a Mind (A Book Review)

The dream of emulating human brain is one of the most challenging endeavour of our time. As technological advancement is gradually speeding up and the vast amount of data giving cues ...

Dockerized Java Enterprise

Since Docker containers became the new virtualization layer between the operating system and the applications, Java engineers whose job was to develop web services in the SOA epoch, h...

Powermocking and OOP

Encapsulation helps us to define boundaries of data and behavior within a class, though there are mocking frameworks which bend the rules of this protection. But, if you consider, is ...

Powermocking and OOP

Encapsulation helps us to define boundaries of data and behavior within a class, though there are mocking frameworks which bend the rules of this protection. But, if you consider, is ...

Powermocking and OOP

Encapsulation helps us to define boundaries of data and behavior within a class, though there are mocking frameworks which bend the rules of this protection. But, if you consider, is ...

Dockerized Java Enterprise

Since Docker containers became the new virtualization layer between the operating system and the applications, Java engineers whose job was to develop web services in the SOA epoch, h...

Protocols and multimethods

Similar in Command Pattern, that we are familiar from object-orient programming, Clojure provides multimethods and protocols which enable developers to implement such runtime polymorp...

Protocols and multimethods

Similar in Command Pattern, that we are familiar from object-orient programming, Clojure provides multimethods and protocols which enable developers to implement such runtime polymorp...

Coroutines in Java

A few months ago, as I was attending the Devoxx’18 Conference in Antwerp, Belgium, one of the most spectacular topics which I was excitedly looking forward to following, was the Proje...

How to Create a Mind (A Book Review)

The dream of emulating human brain is one of the most challenging endeavour of our time. As technological advancement is gradually speeding up and the vast amount of data giving cues ...

Liskov Substitution Principle

Liskov Substitution Principle (LSP) is a slick one. Violating this principle leads up to bugs which are hard to spot since the overriding subclasses change the internal state of the i...

Liskov Substitution Principle

Liskov Substitution Principle (LSP) is a slick one. Violating this principle leads up to bugs which are hard to spot since the overriding subclasses change the internal state of the i...

Rhino: Load DSL

Rhino Load and Performance Testing framework is celebrating its 1.8.0 release, with the new version, the Rhino Load DSL (beta) reached another milestone towards its production readine...

Rhino: Load Testing Framework

Rhino Load and Performance Testing Framework is a sub-project of the Rhino umbrella project and an SDK which enables developers to write load and performance tests in JUnit style. Wit...

Rhino: Load DSL

Rhino Load and Performance Testing framework is celebrating its 1.8.0 release, with the new version, the Rhino Load DSL (beta) reached another milestone towards its production readine...

Rhino: Load Testing Framework

Rhino Load and Performance Testing Framework is a sub-project of the Rhino umbrella project and an SDK which enables developers to write load and performance tests in JUnit style. Wit...

Rhino: Load Testing Framework

Rhino Load and Performance Testing Framework is a sub-project of the Rhino umbrella project and an SDK which enables developers to write load and performance tests in JUnit style. Wit...

Rate Limiting with Token Buckets

In services landscape, rate limiting is not only a requirement to protect the available resources from getting exhausted and failing in the end, but it is also vital for attaining fai...

A Guide to OAuth for RESTful Webservices

As service architecture evolves, new services may join your enterprise services landscape. The question, “which service is authorized to run operations in the back-end?”, needs to fin...

Matrix URIs, their semantics and usage in Java RESTful Services

Matrix URIs, as Tim Berners-Lee called them in his personal design draft back then in 1996, or matrix parameters and sometimes path parameters, have been broadly adopted by applicatio...

Responsive Terminal Applications in Golang

While developing a terminal application with Golang, I recently struggled with the implementation of a feature, that was the responsiveness of the terminal application to window size ...

Writing documentation, we struggle with

Writing documentation is not an easy task. It is sometimes more challenging - and not that spectacular, than writing source code since we as developers are trained how to deal with co...

Consistent Hashing Explained

Consistent Hash Ring is a widely used technique in the process of distributing and load balancing data or operational workload across multiple system components with high fault tolera...

Consistent Hashing Explained

Consistent Hash Ring is a widely used technique in the process of distributing and load balancing data or operational workload across multiple system components with high fault tolera...

Consistent Hashing Explained

Consistent Hash Ring is a widely used technique in the process of distributing and load balancing data or operational workload across multiple system components with high fault tolera...