Written by Giacomo Debidda, Pythonista & JS lover (D3, React). You can find me on Twitter & Github

Reading large Excel files with Pandas

Last week I took part in a Dataviz Battle on the dataisbeautiful subreddit , where we had to create a visualization from the TSA claims…

12 Years of Fires in Sardinia

This summer I was looking for some data visualization challenges and I came across this cool project by Mauro Melis. Mauro created it for…

Export a GeoDataFrame to Spatialite

I have been doing some geospatial analysis in the last few months, and since I came back from GeoPython in Basel (really good conference…

Jupyter notebook on HDF5, h5py, PyTables, Datashader

Last month at a PyDataMunich meetup I gave a short workshop on HDF5 and the python packages that we can use when dealing with HDF5 files…

Interesting things other people did in 2017

I like to compile a list of things I stumbled upon during the year and that I found interesting. It’s an idea I adopted from Jeff Leek’s…

Reactive Dashboards with Plotly Dash

Last month I gave a talk at PyMunich on how to create reactive dashboards with Plotly Dash . I have already written about Dash here…

How to get started with regl and Webpack

I have been wanting to play around with the regl library since I wathed the talk that Mikola Lysenko gave at PLOTCON 2016 , and this week…

A 5 minute Intro to Hypothesis

Let’s say you have a Python module called where you have a function called that you want to test. This function adds two numbers, so…

How to import d3 plugins with Webpack

Last week I started working on a new visualization and I wanted to include a couple of d3 plugins: d3-legend by Susie Lu and d3-line…

A simple git hook for your Python projects

A git hook is a script that git executes before or after a relevant git event or action is triggered. The hooks are stored in the…

Visualize Earthquakes with Plotly Dash

Three years ago I followed a few data science courses offered by the Johns Hopkins University on Coursera. Today these courses should be…

A few timeless lessons from Peopleware

One of the best books I’ve ever read is Peopleware, by Tom DeMarco and Timothy Lister. It’s a well known book in the software development…

sklearn-pandas

sklearn-pandas is a small library that provides a bridge between scikit-learn ’s machine learning methods and pandas Data Frames. In this…

Quickstart Python projects with Invoke

Every time I want to try out a new Python library or develop a small weekend project I need to create a git repository and configure a…

How to write a killer README

A README file is the first thing that someone encounters when he finds your project. It’s a public-facing measure of your work, so it’s…

Pipenv

When it comes to manage environments and dependencies in Python projects, a very popular combination includes Virtualenvwrapper to manage…

My personal Git Memo

Here is an unordered list of git commands, configurations, tricks, articles, gotchas that I don’t want to forget. Find out all commit hashes…

Getting started with Webpack and ES6

Project starters like Angular starter and Cookiecutter-Django are really amazing when you are experienced with the technology they use…

Webpack plugins that I am currently using

Webpack is probably the most popular module bundler for Javascript applications. Its idea is to have a single tool that manages all the…

Three.js project starter for ES6 and Webpack 2

Some months ago I came across this hilarious article on HackerNoon: how it feels to learn javascript in 2016 (if you missed it, I suggest…

MVC pattern in Python: Dataset

This is the third article of a series of blog posts related to the MVC pattern. In the first article we saw how to divide business logic…

MVC pattern in Python: SQLite

This is the second article of a series of blog posts related to the MVC pattern. Last time we saw how to divide business logic…

MVC pattern in Python: Introduction and BasicModel

If you have ever worked with Graphical User Interfaces or web frameworks (e.g. Django), chances are that you heard about the Model-View…

Factory Method and Abstract Factory in Python

Factory Method and Abstract Factory are creational design patterns and allow you to create objects without manually invoking a constructor…

First steps with PostgreSQL

In a Django project, PostgreSQL is probably the most popular choice when it comes to deploy a database for a production environment. In this…

Multiply your Python Unit Test Cases with DDT

DDT (Data-Driven Tests) is a small python module that allows you to multiply your unit test cases for free. The idea is pretty simple: you…

Strategy pattern in Python

Strategy (also known as Policy ) is a behavioral design pattern that enables an algorithm’s behavior to be selected at runtime. All…

Template Method pattern in Python

Behavioral design patterns are a family of patterns which focus on algorithms and the assignments of responsibilities between objects. They…

Bridge pattern in Python

I struggled quite a bit with the Bridge pattern. The idea itself is rather simple, decouple an interface from its implementation, but I…

Visualize GML files with D3

I have recently switched from D3 v3.0 to D3 v4.0, and I have already encountered some important changes. For example, the scaling functions…

Interesting things other people did in 2016

Some time ago I followed a data science course taught by Jeff Leek on Coursera. The course was so good and thorough that eventually they…

Virtual environments with virtualenvwrapper

is a set of shell functions built on top of the python module, and make it even easier to create and manage python virtual environments…

Better Git commits

Knowing what changes to commit and when to commit them is a valuable skill that comes in handy either if you are working in a team or by…

Squashing Git commits

In Git you can revise your commit history before pushing your changes to a remote repository. This comes in handy whenever you want to group…

Façade pattern in Python

Let’s continue our journey through the most used design patterns by implementing a Façade pattern in Python. Façade is a structural design…

Adapter pattern in Python

Some weeks ago I decided to start studying design patterns and implementing them in Python. Design patterns and Head first in design…