In this article, you’ll learn about the profound impact of the 80/20 principle on your life as a programmer. It’s based on a first draft of a chapter from my upcoming book “From 1 to 0: A Minimalistic Approach to Programming”. The 80/20 principle has many names but the second most famous is the Pareto … Read more
Problem: Given the contents of a text file. How to search and replace a specific string or line in the file? Example: Let’s consider the following example where you want to replace the highlighted (bolded) text parts. Text in the file before replacing a line: There was an idea to bring together a group of … Read more
Here’s the time allocation for freelance developers: 20% Become a Business Genius: Read business books and complete business courses. 20% Master Your Niche: Read programming books and specialize. 30% Increase Demand for Your Services: Apply for gigs and generate leads into your business. Learn more here. 30% Do Work For Clients: Always overdeliver to feed … Read more
This tutorial teaches you two advanced Python skills: closures and decorators. Mastering them will make you a better coder today—so, let’s dive right into them! Closures Every function in Python is first class, because they can be passed around like any other object. Usually, when a programming language creates a function just like other data … Read more
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Problem: Given multiple Python statements. How to write them as a Python One-Liner? Example: Consider the following example of four statements in a block with uniform indentation: Each of the four statements is written in a separate line in a code editor—this is the normal procedure. However, what if you want to one-linerize those: How … Read more
This article discusses a situation where you are required to implement an integer object which, when compared using the greater than operator >, to any other existing integer value in the program, will always return True. Before diving into the possible solutions, we must take note of the following: Python 2 consists of plain integers … Read more
When I googled “Fibonacci Python” today, I found a lot of algorithms (most of them easy to understand). But I wondered — is there a Python one-liner to find Fibonacci numbers in the most concise way? As it turns out, there is! Read on to learn how to write the Fibonacci algorithm in one line … Read more
Summary: To write a nested for loop in a single line of Python code, use the one-liner code [print(x, y) for x in iter1 for y in iter2] that iterates over all values x in the first iterable and all values y in the second iterable. Problem: How to write a nested for loop as … Read more
Problem: You use Python in a terminal and you want to replace a string ‘example’ in a text file file.txt: Your goal is to accomplish the following text: In particular, you want to open the file, replace the text, and rewrite the result into the file—all in a single line of Python code! Can a … Read more
Create more Fiverr gigs and wait. Apply for Upwork gigs proactively. Contact business owners via email and offer your valuable services AFTER providing them some value. Use content marketing to build a community and sell your services to them. Create your scalable advertising funnel (e.g., Facebook Ads, Google Ads, Pinterest Ads). To create your thriving … Read more
Summary: To match a pattern in a given text using only a single line of Python code, use the one-liner import re; print(re.findall(pattern, text)) that imports the regular expression library re and prints the result of the findall() function to the shell. Problem: Given a string and a regular expression pattern. Match the string for … Read more