Blog Archives

Sunday, February 23th

Recommender solution on Heroku This is an out-of-the-box solution to implment a recommender systen on heroku. Require.js presentation This is a very interesting and very clear presentation about require.js and AMD principle. Giraph and Okapi Apache giraph is ‘is an

Posted in Apache Giraph, Graph, Okapi, Python, Uncategorized

Monday, February 3rd

R SWIRL The swirl R package is designed to teach you statistics and R simulateously and interactively. If you are new to R, have no fear. Following 4 simple steps you can start to enjoy R. First get R and

Posted in Uncategorized

Saturday, January 4th

Differences between inner class and nested static class in Java Both static and non static nested class or Inner needs to declare inside enclosing class in Java and that’s why they are collectively known as nested classes  but they have couple of differences as shown

Posted in Uncategorized

Thursday, January 2nd

Scaling Pinterest This is an infoq video where Marty Weiner and Yash Nelapati talk about decisions they took during their journey from the beginning up to now, I’ve found it very interesting because they highlighted some very concepts having real

Posted in Dataset, Python, Uncategorized

Wednesday, January 1st

Constrained programming As from Wikipedia, constraint programming is: ” In computer science, constraint programming is a programming paradigm wherein relations between variables are stated in the form of constraints. Constraints differ from the common primitives of imperative programming languages in that they do not specify a step or sequence of steps to execute, but

Posted in Uncategorized

MongoDB – Part I

What is MongoDB ? In short, extracted exactly from MongoDB site, MongoDB is an open-source document database that provides high performance, high availability, and automatic scaling. Document Database A record in MongoDB is a document, which is a data structure composed

Posted in MongoDB

Monday, December 2nd, 2013

Understanding the Costs of Versioning an API (or a Service) At first sight it may seem a simple problem, you may think if I provide a new cool API why don’t they want to use it instead of the old

Posted in Uncategorized

First steps with Cassandra

First steps with Apache Cassandra (C*) According to Wikipedia Apache Cassandra is an open sourcedistributeddatabase management system designed to handle large amounts of data across many commodity servers, providing high availability with no single point of failure. Cassandra offers robust support for clusters

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Posted in Apache Cassandra

Sunday, December 1st, 2013

Gruff: A Grapher-Based Triple-Store Browser for AllegroGraph software This morning I was watching this video about graph databases and I found Gruff: A Grapher-Based Triple-Store Browser for AllegroGraph software from Franz Inc. Investigating a little further I found that this software works

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Posted in Day By Day