Distributed graphs processing with Pregel
Graphs processing is an important part of data analysis in many domains. But graphs processing is tricky may be tricky since general purpose distributed computing tools are not suited for graphs processing. It is not surprising that an important advancement...
Declutter Your POJOs with Lombok
Lombok is a library that helps to reduce Java's verbosity. This tutorial presents how to use it to write clearer POJO classes.
Graphs processing with Apache Flink
Graphs are everywhere. Internet, maps, and social networks to name just a few are all examples of massive graphs that contains vast amounts of useful information. Since the size of these networks is growing and processing them become more and...
Implementing Flink batch data connector
Apache Flink has a versatile set of connectors for externals data sources. It can read and write data from databases, local and distributed file systems. However, sometimes what Flink provides is not enough, and we need to read some uncommon...
Using Apache Flink with Java 8
JDK 8 has introduced a lot of long-anticipated features to Java language. Among those, the most notable was the introduction of lambda functions. They allowed adding new frameworks such as Java 8 Streams, as well as, new features to existing...
Calculating movies ratings distribution with Apache Flink
In this post, I would like to show how to implement a simple batch processing algorithm using Apache Flink. In the process, I'll show few tricks that you can use to improve the performance of your Flink applications.
Apache Flink: A New Landmark on the Big Data Landscape
In this article, I would like to introduce Apache Flink, describe what its main features are, and why is it different from other available solutions. I'll end the article with an example of a simple stream processing application using Flink.
Python Data Structures Idioms
This post describes important idioms that are used to manipulate data structures in Python
Generators in Python
Learn what is a generator in Python and how to use it
Efficient Iterators in Python
Learn how to efficiently build iterators with "yield"
Anatomy of a Python Iterator
How Python iterators work and how to implement one for a custom type
Python in One Hour. Part 2
Short Python tutorial for people familiar with programming