Chris

While working as a researcher in distributed systems, Dr. Christian Mayer found his love for teaching computer science students.To help students reach higher levels of Python success, he founded the programming education website Finxter.com that has taught exponential skills to millions of coders worldwide. He's the author of the best-selling programming books Python One-Liners (NoStarch 2020), The Art of Clean Code (NoStarch 2022), and The Book of Dash (NoStarch 2022). Chris also coauthored the Coffee Break Python series of self-published books. He's a computer science enthusiast, freelancer, and owner of one of the top 10 largest Python blogs worldwide.His passions are writing, reading, and coding. But his greatest passion is to serve aspiring coders through Finxter and help them to boost their skills. You can join his free email academy here.

Python Regex And Operator: Yes, It Does Exist!

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This tutorial is all about the AND operator of Python’s re library. If you’ve been reading this carefully, you may ask: “WHAT — why is there an AND operator for regular expressions?” (And rightly so.) Sure, there’s the OR operator (example: ‘iPhone|iPad’). But what’s the meaning of matching one regular expression AND another? There are different … Read more

Python Regex Or – A Simple Illustrated Guide

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This tutorial is all about the or | operator of Python’s re library. You can also play the tutorial video while you read: Related article: Python Regex Superpower – The Ultimate Guide What’s the Python Regex Or | Operator? Given a string. Say, your goal is to find all substrings that match either the string ‘iPhone’ … Read more

This One Tool Controls 90% of Your Investment Success

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Do you want to build wealth? Asset allocation is the process of dividing your portfolio into stocks, bonds, and cash. A famous 1990 study by Kaplan and Ibbotson proves that asset allocation is the most important investment decision for your investment success—far more important than selecting individual securities within the broader asset classes stocks, bonds, … Read more

The Python Re Plus (+) Symbol in Regular Expressions

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This article is all about the plus “+” symbol in Python’s re library. Study it carefully and master this important piece of knowledge once and for all! You can also watch the article video while you read over the explanations: Related article: Python Regex Superpower – The Ultimate Guide What’s the Python Re Plus + Quantifier? … Read more

numpy.fv — Calculate the Future Value of an Investment in Python

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NumPy is full of those little helper functions that boost your productivity and make coding a lot of fun. The NumPy’s fv() function is one of those helpers for financial analysis that will save you a lot of time if you’re working in the financial sector—or if you’re just using NumPy to analyze your own … Read more

[Story] Winter is Coming — or What's the Best Python Freelancer Course?

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It’s a cold Tuesday morning in December. After a long drive in your warm and cozy car—you enjoyed your favorite podcast—you finally arrive at your office. You prepare a hot cup of coffee for you and Mandy, your colleague and best office friend. While filling in the coffee beans (their rough, chocolate aroma fills the … Read more

[Finxter Article Recommender] How to Get Started with Python?

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Don’t know where to start to learn Python? Check out the Finxter article recommendation engine: simply run the Python code and answer the questions. The engine will then recommend the best articles for you that match your skill level: You can also copy&paste the Python script into your own code file and execute it on … Read more

Hacker News in Python

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You may the popular news aggregator “Hacker News” from the sought-after investment company YCombinator. It’s a great place for coders and geeks to share new articles and pearls they found on the web. Sebastian, an active member of the Finxter community, asked the following question: “Wouldn’t it be great to have such a platform specifically … Read more