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Pythons Scoping Rules The extraordinary short guide to Pythons crazy scoping rules It’s obvious that you cannot access a variable before it was declared. But if it was declared inside a loop, can you access it outside a loop? If it was declared in a function, can you access the variable outside of the function? This kind of “variable lifetime” is … Read More »

ebook readers Kindle Paperwhite 4 Tolino Vision 5 Tolino Epos 2 Price 137 € 149 € 299 € Release 2018 Oktober 2019 Oktober 2019 Display 300 ppi, 16-level gray scale, 1072×1448 300 ppi, 16-level gray scale, 1264×1680 300 ppi, 16-level gray scale, 1440×1920 Screen size 6 Zoll 7 Zoll 8 Zoll Device … Read More »

How to get an amazing Terminal In Windows and Linux; including prompts, fonts, and colors As a developer with 10+ years of experience, I love using the shell. The commands never change, I can create custom shortcuts, it’s reliable and fast. The defaults are not great, though. After reading this article, you will know how to get an awesome shell + terminal on your system … Read More »

Packaging in Python: Tools and Format 16 solutions to 9 problems — which ones do you know? A virtual environment is an isolated Python environment. It has it’s own installed site-packages which can be different from the systems site-packages. Don’t worry, we will go into more detail later. After reading this article, you will understand what the following tools are and which problems they solve … Read More »

pydantic The library you must know if you juggle data around Having complex nested data structures is hard. The traditional approach to store this kind of data in Python is nested dictionaries. Although Python dictionaries are amazing, there are two issues which typically arise: (1) How do I, as a developer, know which kind of data is to be expected in … Read More »

Visual Studio Code  —  Python Editors in Review I think I fell in love 😍 Visual Studio Code 1.50.1. The screenshot was taken by Martin Thoma. Visual Studio Code is a free editor written by Microsoft. Its first release was in 2015, and boy did that one take off. It has over 28k questions on StackOverflow, is the 2nd most-used Python editor according … Read More »

PyCharm Professional — Python Editors in Review See what money can give you 🤑 PyCharm Professional 2020.2. The screenshot was taken by Martin Thoma. PyCharm is an IDE developed by JetBrains since 2010. Yes, the same company that developed IntelliJ, the de-facto default for Java. It costs $200 per year which is pretty expensive if you just get your feet wet with Python … Read More »

A Beginner’s Guide to Python Development on Windows 10 The Python programming language is used for web development, data analysis, machine learning, statistics, web scraping, and so much more. There are tons of tutorials which, ironically, makes it pretty hard to recommend one. However, there is also a lack of support for Windows. Let’s get the very first … Read More »

Password Hashing 😇 Software gets hacked, data breaches happen, data is leaked. It’s not a rare exception but happens all the time. We need to acknowledge that software is not perfect. This is where the concept of defense in depth comes into play. Defense in depth means we don’t rely on … Read More »

Cross-site Scripting (XSS) 😈 Cross-site scripting (XSS) is a type of attack on websites where the attacker can make the attacked website deliver JavaScript to the user. This malicious JavaScript is then executed on the users’ machine. Various types of XSS are distinguished: Stored XSS: The attacker can make the website store the XSS … Read More »