Gson (JSON) in Java, with Examples
GSON is a Java API developed by Google to convert Java objects to JSON (serialization) and JSON to Java objects (deserialization). Learn it with examples.
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Units of Measurement for Information
Learn the units of information: bit, byte, kilo vs kibi, GB vs GiB. Understand the old and new systems so nobody fools you about storage or speed.
6 Ways to Improve Performance in Python
In this article we describe a series of recommendations and best practices for programming in Python (version 2.7) so your code runs faster and cleaner.
Anonymous scraping by TOR network
In this tutorial we will explain how to configure a proxy server for scraping websites anonymously through the TOR network
Bit
The bit, the basic unit of digital information. It represents two states: the binary system. Something so simple, yet important and full of potential.
Hamming Distance, Weight, Space and Spheres Explained
Learn Hamming distance, Hamming weight, Hamming space and spheres, plus how error-correcting codes detect and fix errors, with Hamming(7,4) as the example.
Hamming Code: Error Detection and Correction
Hamming code to detect and correct errors. Step-by-step examples for fixing errors using redundancy bits and the syndrome matrix. Learn how it works.
Analyzing Soccer Results with Power BI
Business Intelligence turns data into information and information into knowledge for business decisions. See it in action analyzing Spanish soccer results with Power BI.
Selecting the Optimal Number of Clusters
One of the problems when applying a Clustering method (K-means or EM) is choosing the number of Clusters. Learn the elbow method, dendrograms and the gap.
Hash Tables (or Hash Maps): How They Work
Hash Table explained simply. What is a Hash Table and how does it work without writing code? A key type of "data structure" every developer should know.
Check Digit – Error Detection
The check digit covers several hash codes, such as the parity bit, the digit generated by the Luhn algorithm, the verification letter of national ID numbers, and more.
Expectation-Maximization in Python and Scikit-learn, with Examples
Expectation-maximization is a statistical clustering method similar to K-means, but with a probabilistic approach. Learn how it works with Python examples.