Despite 2020 being a mess so far, and after a very calm period in terms of events, it’s time to get back on stage. July 2020 is going to be…
Keep your family updated using MagicMirror
In this article, you will find a list of hardware for this project, where to go to download it, and how to customize it to fit your needs and/or your…
Awaited Apache Spark v3.0.0 is finally released
Apache Spark v3.0.0 hits the road, let’s celebrate! Apache Spark v3.0.0 has been released on June 18th, 2020, just before Spark + AI Summit 2020, which is being held virtually…
DataFriday: manipulating the schemas of Spark dataframes
A stretch… Data is organized by schemas, data is stored on disk (or memory), but nothing like a good old school disk. to illustrate data In this fifth episode of…
DataFriday: extracting metadata from photos
This Rolleiflex requires a physical piece of paper and pencil to store the photo’s metadata Following episode 3, where I talked about metadata in relational databases, this week, I am…
DataFriday: what is Metadata?
Metadata is like the foundation of your data In this episode, I will explain what is metadata, at least, some metadata, more specifically metadata on relational databases. It’s a quick…
DataFriday: basic ETL ops with Apache Spark
In this episode, you will learn about doing a basic ETL (extract, transform, and load) operation using Apache Spark. You will load a basic CSV file with Apache Spark, make…
DataFriday: load a CSV file with Apache Spark
Starting today, I will host a weekly live show about data. You may join, attend “live,” and ask questions as I go through a data-oriented topic. For now, the topic…
Spark in Action, Second Edition MEAP Update
I just wanted to share with you the latest update on Spark in Action, second edition What’s new? Chapter 12, “Transforming your data” Chapter 13, “Transforming entire documents” Appendix K,…
My trip to the Moon… and Mars (part 2)
This article follows my previous post on my trip to NASA in Langley, Va. in early March 2019. This is the second and last part of this article. Before going…