Python AND Operator On Two Objects or Lists [What’s The Result?]

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You may already know Python’s and operator when applied to two Booleans: Simple enough. Yet, that’s not the whole story: you can use the and operator even on complex data types such as lists or custom objects. So you may ask (and rightly so): What If You Apply the AND Operator To Two Objects? To … Read more

Python Regex Methods – A Short Overview

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Python’s re module comes with a number of regular expression methods that help you achieve more with less. Related article: Python Regex Superpower – The Ultimate Guide Think of those methods as the framework connecting regular expressions with the Python programming language. Every programming language comes with its own way of handling regular expressions. For … Read more

Python Regex Superpower [Full Tutorial]

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What’s the best-kept productivity secret of code masters? Here’s what ex-Google’s tech lead says is the most important skill as a coder (spoiler: it has to do with the topic of the tutorial): Congratulations – you’re about to become a regular expression master. I’ve not only written the most comprehensive free regular expression tutorial on … Read more

Python cProfile – 7 Strategies to Speed Up Your App

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Your Python app is slow? It’s time for a speed booster! Learn how in this tutorial. As you read through the article, feel free to watch the explainer video: Performance Tuning Concepts 101 I could have started this tutorial with a list of tools you can use to speed up your app. But I feel … Read more

Python cProfile – A Helpful Guide with Prime Example

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Python comes with different profilers. If you’re new to performance optimization, you may ask: what’s a profiler anyway? A performance profiler allows you to monitor your application more closely. If you just run a Python script in your shell, you see nothing but the output produced by your program. But you don’t see how much … Read more

Matplotlib Subplot – A Helpful Illustrated Guide

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Too much stuff happening in a single plot? No problem—use multiple subplots! This in-depth tutorial shows you everything you need to know to get started with Matplotlib’s subplot() function. If you want, just hit “play” and watch the explainer video. I’ll then guide you through the tutorial: To create a matplotlib subplot with any number … Read more

Matplotlib Subplots – A Helpful Illustrated Guide

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Too much stuff happening in a single plot? No problem—use multiple subplots! This in-depth tutorial shows you everything you need to know to get started with Matplotlib’s subplots() function. If you want, just hit “play” and watch the explainer video. I’ll then guide you through the tutorial: Let’s start with the short answer on how … Read more

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