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Exploring JavaScript, web development, and modern software engineering through thoughtful articles and insights.

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The Stoic Programmer

How Stoic philosophy can help you stay calm and effective in the ever-changing world of software development.

Socratic Questioning

Socratic questioning is a powerful way to dig deeper, think clearer, and uncover assumptions. Learn how to apply this ancient method in modern life.

A Comprehensive Comparison of Zod's safeParse and parse Methods

Understanding the differences between Zod’s safeParse and parse is essential for effective data validation in TypeScript. This article explores their distinct behaviors, use cases, and when to choose one over the other to ensure robust and predictable error handling in your applications.

Use <button>, Not <div>, for Clickable Elements

Using <button> instead of <div> for interactive elements improves accessibility, keyboard navigation, and screen reader support. Buttons are natively focusable, respond to Enter and Space, and require less extra code. Avoid unnecessary complexity—use the right semantic element for better usability and compliance with web accessibility standards.

Simulating Time in Cypress with cy.clock and cy.tick

When writing Cypress tests, there are scenarios where you need to manipulate time. For example, testing session expiration or scheduled UI updates requires control over time progression. This is where `cy.clock()` and `cy.tick()` come in handy.

Pintar Kredit: Smart Loan Simulation

Pintar Kredit is a web-based application that helps users simulate loans, analyze eligibility, and receive AI-powered financial advice before applying for credit. Built with React, Vite, and OpenAI, it ensures informed decision-making without storing user data.

React Grid Layout Widget DnD and Resizable Example

This post demonstrates how to create a React grid layout widget with draggable and resizable components using the react-grid-layout library. We will build a simple dashboard with draggable and resizable widgets that can be rearranged by the user.

Event-Driven Programming

Event-driven programming is a programming paradigm in which the flow of the program is determined by events such as user actions, sensor outputs, or messages from other programs/threads.

The Power of Starting Small: Why POCs Matter

Creating a Proof of Concept (POC) is a powerful strategy for tackling complex software challenges. By testing ideas with minimal implementation, developers can validate feasibility, uncover roadblocks early, and improve efficiency. This article explores the benefits, use cases, and steps for building effective POCs.

Optimizing User Input Handling with `useDebounce` in React

Handling user input efficiently is crucial in modern web applications. In React, rapid state updates can lead to performance issues and unnecessary API calls. The `useDebounce` hook provides a way to delay function execution until a user stops typing or interacting. In this article, we explore `useDebounce` using a simple analogy: a traffic light system. We will cover its implementation, use cases, and best practices.

TypeScript 5.8 and the --erasableSyntaxOnly Flag: Enhancing JavaScript Compatibility and Future-Proofing Codebases

TypeScript 5.8 introduces the --erasableSyntaxOnly compiler flag, designed to enhance compatibility with JavaScript's evolving type systems. This flag restricts the use of non-erasable syntax elements—such as enums, namespaces, and parameter properties—that require runtime transformations, promoting a cleaner separation between type annotations and executable code. This article delves into the implications of this feature, its alignment with current JavaScript proposals, and its potential impact on TypeScript development practices.

JavaScript flatMap(): Transforming and Flattening Data Efficiently

Handling structured data efficiently is a critical task in JavaScript, especially when working with nested arrays or transforming API responses. The `flatMap()` function provides an elegant solution by combining mapping and flattening into a single step. This article explores how `flatMap()` simplifies data conversion, particularly when working with nested data structures such as API responses.

Automating Commands with VS Code Tasks

VS Code provides a task system that helps automate repetitive commands such as running scripts, installing dependencies, and executing tests. By using `tasks.json`, developers can define and execute common commands efficiently. This article explores the basics of configuring and running tasks in VS Code.

Using a Combination of Data Attributes for React Keys

In React, assigning a unique `key` prop to elements in a list is crucial for performance and UI consistency. When natural unique identifiers like `id` are unavailable, developers often default to using array indices, which can lead to UI inconsistencies. A better approach is to generate a unique key by combining multiple data attributes. This article explores how to effectively use data attributes as keys in React lists.

Understanding CSS Flexbox Height Behavior with flex-grow

This article explores the complex interaction between CSS Flexbox's `flex-grow` property and explicit height settings, particularly focusing on how `height: 0px` affects element behavior within flex containers. Understanding this relationship is crucial for web developers working with responsive layouts and scrollable content areas.

Not Just npm update, But Also npm outdated: A Comprehensive Guide with Example

Discover why running npm outdated is just as important as npm update for managing your Node.js project dependencies. This comprehensive guide explains how npm outdated provides critical insights into outdated packages, helping you stay secure, efficient, and up-to-date. Learn with a detailed example, practical steps, and tips for incorporating this command into your workflow.

Understanding Partial Type in TypeScript

This article examines the `Partial` utility type in TypeScript, focusing on its functionality, use cases, and practical applications for managing optional properties efficiently in various scenarios.

Easy Steps to Create QR Code for Reviews on Google Maps

QR Code is a practical solution that can be used to directly direct users to your business's Google Maps review page. In this post, I will show you how to easily and quickly create a QR Code that you can use to increase the number of reviews on Google Maps.