React Context has been a lifesaver in my development career, especially when dealing with deep component nesting. In this tutorial, I will show you exactly how to implement React Context in functional components using the modern useContext hook. What is React Context? In my eight years of building React applications, the biggest headache was always … Read more >>
I have often found that users crave a familiar way to organize their data. Whether you are building a cloud storage app or a CMS, a file explorer is usually the most intuitive interface for most people. In this tutorial, I will show you how to build a high-performance React file explorer component from scratch. … Read more >>
’ve found that a horizontal timeline is one of the best ways to visualise progress. Whether you are tracking a shipping route from New York to Los Angeles or displaying a company’s historical milestones, a horizontal layout saves vertical space. In this tutorial, I will show you exactly how to build a responsive horizontal timeline … Read more >>
As a developer, I’ve often hit a specific roadblock. Sometimes, a specialized team builds a complex dashboard in Angular, and you need that exact functionality in your React-based consumer app. I remember once needing to port a complex mortgage calculator built in Angular into a new React portal for a California-based lender. That is when … Read more >>
I’ve found that managing form data is one of the most frequent tasks you’ll face. In the early days, I struggled with keeping the UI in sync with the underlying data, but then I mastered controlled components. If you have ever wondered how to handle user input efficiently in a React application, you are in … Read more >>
In React, data usually flows downwards from a parent component to a child component through props. While passing strings or numbers is easy, there are many cases where you need to pass a function to a child component. I have spent over eight years building complex React applications, and I can tell you that mastering … Read more >>
If you have been building React applications for a while, you know that JavaScript is incredibly flexible. However, that flexibility often leads to “undefined is not a function” errors right when you least expect them. I have spent over eight years architecting React apps, and I can tell you from experience that moving to TypeScript … Read more >>
If you are coming from a traditional programming background, your first instinct is likely to reach for a for loop when you need to repeat a task. In React, things work a little differently because we are often dealing with JSX, which requires us to return values that can be rendered to the screen. Over … Read more >>
I’ve found that the to_csv() method is easily the most used tool in the Pandas library. Whether you are saving the results of a complex financial analysis or just cleaning up a mailing list, you need a reliable way to move data from Python to a spreadsheet. In this tutorial, I will show you exactly … Read more >>
If you work with large datasets in Python, you’ve likely run into the “annoying dots” problem. By default, Pandas truncates your view when you have a lot of columns, showing only the first and last few. I remember the first time I was analyzing a US Census dataset with over 50 variables. I needed to … Read more >>
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