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Making binary annotations less boring

31/07/2020

Introduction For a university project, I’m developing a Music recommendation classifier based on the Spotify API. The idea is to recommend new music to the user, based on songs he personally likes or dislikes and on the musical components of the song (speed, tonality, instrumentality and many more). The preparation of the dataset usually is the most time-consuming part of any machine learning project. This usually consists of gathering...

Improve your Psycopg2 executions for PostgreSQL in Python

01/06/2020

I’m sure everybody who worked with Python and a PostgreSQL database is familiar or definitely heard about the psycopg2 library. It is the most popular PostgreSQL database adapter for the Python programming language. In my work, I come in contact with this library every day and execute hundreds of automated statements. As always, I try to improve my code and execution speed, because, in the cloud, time is money. The longer your code runs the...

Using Azure Functions with Python

10/05/2020

Overview Lately, I worked a lot with the Azure Cloud. Overall I have to say Azure offers a lot but is still not on the same level as its hardest competitors (AWS, Google). One thing that caught my eye is the compatibility of certain programming languages. Azure supports a few different languages (C#, JavaScript, Java, Python, etc.) but the supported features for these languages differ a lot. I think Azure Cloud is really great for...

Connecting PostgreSQL to your script (Python)

29/07/2019

Introduction Nowadays PostgreSQL is probably one of the most powerful relational databases among the open-source solutions. Its functional capacities are no worse than Oracle’s and definitely way ahead of the MySQL. So if you are working on apps using Python, someday you will face the need of working with databases. Luckily, Python has quite a wide amount of packages that provide an easy way of connecting and using databases. In this...

Data Science Tools: We screened 28,000 data job ads. Here is the software you need to know.

06/09/2017

Much has been written on the most popular software and programming languages for Data Science (recall, for instance, the infamous “Python vs R battle”). We approached this question by scraping job ads from Indeed and counting the frequency at which each software is mentioned as a measure of current employer demand. In a recent blog post , we analyzed the Data Science software German employers want job applicants to know (showing that Python...

How to land a job as a data scientist: Required skills

11/04/2017

In early 2017, “data scientist” was named the “Best job in America” for the second time in a row by the popular job site Glassdoor . Despite the surge in demand for data scientists in the tech and other industries, landing a job at a prestigious company is no easy feat. Based on our conversations with recruiters at top firms as well as senior data scientists, we have identified the four top skills that will get you hired: Master SQL,...

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