I have been working quite some time with charts and business intelligence in the last 5 years. When you spend time building business reports, you may perceive data visualization as a cold technical and business tool. However, there are 6 hidden gems in data visualization that I found by chance …
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How I started podcasting
On May 2021, the first episode of my first podcast went live. The podcast is called Intervista Pythonista and is co-hosted with Cesare Placanica. Cesare and I are members of the Python Milano community that helped us to kick-off the idea.
Why podcasting?
I am a heavy podcast listener. I …
read moreGetting PSM I Scrum Certification
I've been working with Scrum framework over the last 18 months, and I thought it was time to test that what I was doing was real Scrum or kind-of-Scrum. I decided to take the Professional Scrum Master I certification exam to test my knowledge of the framework.
Which certification?
Where …
read moreNotes from Designing Data-Intensive Applications
Designing Data-Intensive Applications by Martin Kleppmann was not a quick-read. Let me be clear, it is not such a long book (the paper version is 400 pages), but it is so dense of information that takes some time to go through. The book covers indeed a broad spectrum of data …
read moreModels of Data Science teams: Chess vs Checkers
How many data engineers should we hire? Are they too many compared to our data scientists?
One of the key decisions to take when building a data science team is the mix of roles. This means choosing the right mix of background and of activities that each member of the …
read moreChoosing my next job title (in a data science career)
I'm now part of a data and AI team in a fintech spinoff. When I joined the company, it did not make sense to spend time in defining precise job titles because we were to build everything from scratch (both software, teams and organization). My job title was therefore a …
read moreWhat we expected from Covid on March 10th
The first Covid case in Italy was found on February 21st 2020. A couple of weeks later we were entering the lockdown with this number of new daily cases.
The number of Covid-19 new cases was growing really fast every day. We had no clue about what was going to …
read moreSummary: Building AI Solutions with Azure ML
While studying for the Azure Data Scientist Associate certification, I took notes from Building AI Solution with Azure ML course. In this single page, you'll find the entire content of the course (as of 18th August, 2020). This page is a small support for those preparing for earning the certification …
read moreError when restarting Databricks streaming job
This is an error I encountered when I have a Spark Streaming job running on Databricks 6.1. Consider the case I have to update a running streaming query. Databricks recommends to always start (and restart too?) a streaming query on a new dedicated cluster. However, in some scenario you …
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