Book Recommendation: Pragmatic Thinking and Learning
Some days ago I finished a very interesting book called Pragmatic Thinking and Learning, by Andy Hunt. Among many interesting stories and exercises, this wel...
Posts by Category
Education
Machine Learning
Apache Spark with Docker - very quick start
Would you like to quickly start testing some code using Spark? Perhaps this post can help you to achieve this task with the smallest effort to install all th...
Classifying texts with Naive Bayes
Some weeks ago, a colleague came to ask me an idea to help him classify building constructions by their description. He have found that usually some keywords...
Reading text from images
In this post, I’ll try to give some basic understanding about the difference between a raw text and a text represented by an image, then give an overview of ...
Programming
7 Unix Commands Every Data Scientist Should Know
In many situations, unprepared data scientists can spend much more time than necessary on secondary tasks. Although their attention should stay on analyzing ...
Type Check Your Python Code
I was recently surprised to discover that a module called typing had been added to Python 3, providing the fundamental building blocks for constructing types...
Getting Started with Common Lisp
Here you can find short notes about setting up a fresh Common Lisp environment and how to create your first project.
JSON and Monads in Haskell
The problem is simple, but it took me some hours to figure it out. I had a JSON file composed of a single dictionary where the values were lists of numbers, ...
My First Stupid Mobile App
Everybody seems to have developed a mobile app at least once in his life, so I always thought that mine was just a matter of time. Last week I finally decide...
My Clojure programming environment
Until the last week, Slimv was my main tool to code in Clojure using Vim. Although Slimv is still a very nice plugin, it seems not a good idea to keep using...
Leinigen resources and uberjar
Problem concerning the copy of a resource file.
Local repositories for Clojure
Local repositories are useful when you have some dependencies that are not in Maven or Clojars repositories. The following steps are one alternative to suppr...
Research Problems
Removing text baselines by morphological operations
Some weeks ago, I was developing a program to extract some specific informations from a photographed document, which is composed of many fields surrounded by...
Travelling Salesman Problem (TSP)
This post comes from a work done over an undergraduate course, Programming Languages 2, where the Travelling Salesman Problem was studied to analyse and appl...