100 articles  ·  page 5 of 23

2529. Maximum Count of Positive Integer and Negative Integer

So the daily leetcode challenge can be naively solved with a loop. But the best solution in the python categor…

Design of a Real-Time Collaborative Document Editing System (like Google Docs)

Below is a comprehensive design for a cloud-based real-time collaborative document editing system that meets t…

Design a Real-Time Collaborative Document Editing System (like Google Docs)

Problem Statement: You need to design a cloud-based real-time collaborative document editor that allows multip…

Plugins to install into vscode.

Here's a collection of essential VS Code extensions for a lead front-end developer working with React and Type…

Pandas JavaScript Equivalent

Pandas is a powerful data manipulation and analysis library in Python, providing data structures and oper…

Time Series + Predictive Analytics

I have had some interesting back-end questions posted to me recently. Implementing a time series store / and s…

JavaScript New Features from ES5 to ESNext

ECMAScript 5 (2009) Strict Mode ('use strict'): Enforces better coding practices. Array Methods: forEach, map,…

ES2023 (ECMAScript 2023) Features

ES2023 focused on minor improvements and consistency updates. 1. Array.prototype.toSorted(), toSpliced(), and …

ES2022 (ECMAScript 2022) Features

ES2022 introduced several improvements, including new class features, array and object enhancements, and top-l…

Summary of ES2021 feature

ES2021 (ECMAScript 2021) introduced several new features to JavaScript. Here are the key additions: 1. Numeric…

Best Practices for Writing Unit Tests in Node.js

When writing unit tests in Node.js, following best practices ensures your tests are effective, maintainable, a…

How do you debug performance issues in a Node.js application?

Key Points:To debug performance issues in Node.js, start by identifying the problem, use profiling tools to fi…