This article is about a topic that is far more important and even more fundamental than any specific Python tutorial: Libraries. Why using Python libraries? Get your hot, freshly-brewed coffee and let me show you what holds…
This article gives you five code puzzles to help you master basic looping in Python. If you are a Python expert, you solve all of them without even the slightest mistake. If you are a Python intermediate,…
Say you just started out learning Python. I know that it’s extremely hard to focus on specific areas of your education. Let’s take the perspective of a practitioner: what’s most useful for your coding productivity? For example,…
Puzzle-based learning is the single most best way for many coders to improve their skills on a constant basis. A puzzle a day to learn, code, and play! Are you looking for a fun way of improving…
Namespace are everywhere in Python (whether you realize it or not). However, not knowing about Python namespaces is a source of nasty bugs and inefficient Python code. Why Namespaces? In many classes with 30+ students, two of…
Becoming a self-employed programmer? A Simple Heuristic Should you become your own boss, being self-employed? This is a valid question regarding the huge opportunities that are awaiting you. You can work in the Python space, front-end web…
Programmers with kids cannot code the whole night and sleep till noon. But they can still be productive! Watch the video to learn about the huge advantages of coders with kids… and don’t despair! Chris While working…
How to really find clients on freelancing platforms such as Upwork, Freelancer.com, or Topcoder? This article shows you a simple idea of how to find clients. It’s a statistically sound way of increasing your odds greatly. I…
Working on Upwork, Freelancer.com, or Topcoder is not the only way of earning money to do some valuable work. In this video, I tell you an alternative way of earning money (almost) from day one. And I…
How to overcome procrastination? Procrastination may easily be the reason number one why you are not reaching your goals. You set your alarm clock in the evening and expect your future self in the morning to get…
How to make it easier as a freelance programmer to attract clients? You’ve mastered the first level as a freelance programmer and wonder how to make it easier to get clients? Or you’re generally interested in becoming…
Everybody talks about passive income these days. Is it a scam? Yes and no. Nothing can truly exist passively for an unlimited time. True passive income really means: a more or less slowly dying income stream. But…
A popular question in programming interviews is about anagrams. The interviewer wants to test your knowledge about the basic terminology in computer science, and how good you are at developing your own simple algorithms to solve the…
This one-liner introduces another basic computer science term: palindromes. Similarly to anagrams, palindromes are a popular interview question. First things first: What is a palindrome? “A palindrome is a word, number, phrase, or other sequence of characters…
Finding prime numbers is of critical importance for practical applications such as cryptography. Many public-key methods are only safe (from a cryptographic point of view) because it’s generally inefficient and slow to compute the prime factors of…
This article explains a simple and effective way of computing the factorial in a single line of code. The Basics Consider the following problem: There are 20 football teams in England’s premier league. Each team can possibly…
In this one-liner tutorial, you’ll learn about the popular sorting algorithm Quicksort. Surprisingly, a single line of Python code is all you need to write the Quicksort algorithm! If you just want to get a quick idea…
In this article, you’ll learn about a basic algorithm, every computer scientist must know: the binary search algorithm. If you just want to try the algorithm in Python, feel free to play with our interactive Python shell:…
Type “Helo World” into your Google search bar. Google will ask you: “Did you mean: hello world” A simple method to detect these typos is the Levensthein distance (also called edit distance). In fact, Google’s algorithm seems…
This is a simple algorithm to find all the powersets of a given set. If you feel like you need to refresh your Python set skills, have a look at my complete guide to Python sets (with…
