Python Pass by Reference

Python Pass by Reference

One of the most common questions I get from developers transitioning to Python is whether the language uses pass by reference or pass by value. I have seen many bugs crop up simply because a developer didn’t realize how Python handles their data behind the scenes. If you are coming from C++ or Java, you … Read more >>

How to Add Python to PATH

Add Python to PATH

I still remember the first time I tried to run a Python script on a new machine years ago. I typed python into the command prompt, hit enter, and was greeted with a “command not found” error. It is a frustrating roadblock that almost every developer hits when they are starting. In this guide, I … Read more >>

How to Handle Python Command Line Arguments

Handle Python Command Line Arguments

I have found that hardcoding values is the quickest way to make a script useless. I remember building a data scraper for a real estate firm in Chicago, where the city name was buried deep in the code. Every time they wanted to switch from Chicago to Houston, I had to manually edit the script. … Read more >>

How to Create a Python String of N Characters

python create string of n characters

In my years of developing Python applications, I’ve often found myself needing to generate a specific sequence of characters for formatting or data padding. Whether I was creating visual separators for a command-line tool or preparing fixed-width data for a financial report, knowing the quickest way to repeat a character is a handy trick. In … Read more >>

Python Hello World Program in Visual Studio Code

python hello world program visual studio

If you are a beginner in Python, you should start with a Hello World program as the starting point. Visual Studio Code (VS Code) is a powerful, open-source code editor that Python developers widely use. In this tutorial, I will explain how to write a Hello World program in Python using the Visual Studio Code … Read more >>

Ways to Insert a Python Variable into a String

python variable in string

As a Python developer, I’ve found that one of the most common tasks is putting a variable inside a string. Whether I’m building a report for a client in New York or personalizing an email for a user in California, I always need to format text dynamically. There are several ways to do this in … Read more >>

Python List of Floats

python list of floats

One of the most common tasks I handle as a Python developer is managing collections of decimal numbers. Whether I am building a financial dashboard for a Wall Street firm or a weather tracking app for the Midwest, I almost always reach for a list of floats. A list of floats in Python is simply … Read more >>

How to Trigger Function in Child Component in React

Trigger Function in Child Component in React

In my eight years of developing React applications, I have often run into scenarios where a parent component needs to tell a child component to do something specific. Usually, React flows data downward via props. But sometimes, you need to “reach in” and trigger a function inside that child. Whether you are building a complex … Read more >>

Best Tailwind React Component Library

Tailwind React Component Library

In my eight years of working with React, I have seen many styling trends come and go. However, Tailwind CSS has fundamentally changed how I build user interfaces. When you combine Tailwind with React, you get a powerful workflow, but building every single component from scratch can be time-consuming. That is why I always use … Read more >>

React Component Key Prop

React Component Key Prop

I’ve seen one small prop cause more confusion than almost anything else. That prop is the key. If you’ve ever looked at your browser console and seen that dreaded “Warning: Each child in a list should have a unique ‘key’ prop,” you’re not alone. I remember spending hours debugging a state issue early in my … Read more >>