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Matrix Multiplication: 2020 Update In 2012 I wrote a series of articles about matrix multiplication. Now I'm preparing a course about speeding up Python. For this reason I need an example of code that is fairly simple to understand and can be optimized. So let's update the results of my old articles :-) The code … Read More »

Current Python Versions Which Python versions should my library support? For which version should I develop my web service / application? For the second question, I like to never take a x.y.0 version. Let them get the patches out first. Lifecycle of cPython I've asked which CPython versions get support right now … Read More »

Python Packaging Course The Python Environment is old. Python development started before the internet. Naturally, such a grown environment is messy: Python Environment In this course, you will learn the details about Python packaging and how all of the tools related. Application Types Library: Should be included in other code. It will never … Read More »

Virtual Environments A virtual environment is an isolated Python environments. It has it's own installed site-packages which can be different from the systems site-packages. TL;DR: pipenv is your friend; it allows you to forget about the others. virtualenv virtualenv was created by Ian Bicking. The first version on PyPI is from … Read More »

PyPI Analysis 2020 I've created an introductory post where I looked at the packages meta data in a very superficial way. In the second post I analyzed the relationships between packages by looking at a dependency graph. Now, in the beginning of 2020, I've updated the code and ran my analysis again. Have … Read More »

36C3 36C3 is the 36th Chaos Communication Congress. A congress for computer stuff; a lot about security. .checked { color: orange; } This is work in progress. I'm currently watching a lot of those Security Nightmares Language: 🇩🇪 My Recommendation: Speakers: Frank Rieger and Ron Tags: Security, Examples Description: This is a classic. They … Read More »

New Year 2020 It's new years eve and - as always - I try to finish some things and have some plans for next year. Review of 2019 Not a lot happened about which I want to write publicly, so here are some other mentionable facts: I have 68 643 points (+28 060) on StackOverflow … Read More »

Citations with LaTeX Managing citations is a core task when writing scientific documents. Of course, there are lots of options to do this with LaTeX. This makes it super confusing. If you need help, try tex.stackexchange.com. The guys there are super helpful and extremely knowledgable. If you don't even know how … Read More »

Coding Fonts The font choice for developing software is important. Developers read code all the time. This is an article I had for quite a while as a draft. As part of my yearly cleanup, I've published it without finishing it. It might not be finished or have other problems. Powerline Fonts … Read More »

How to Speed up Docker Building a Docker container can take quite a while. However, there are some easy parts to speed them up. This is an article I had for quite a while as a draft. As part of my yearly cleanup, I've published it without finishing it. It might not be finished or … Read More »