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Software Engineering

The ultimate resource to prepare for Software Engineering interview

Interview Questions

From frontend, backend to system design, a complete collection of the most common interview questions

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Hundreds of questions with high-quality answers

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Software engineering learning resources and classic software engineering book summaries

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Fullstack development tutorial

Latest Articles

How to Use Browser DevTools to Debug Performance Issues

Master browser DevTools to identify and fix performance problems in your web applications. Learn how to use the Performance panel to analyze page loading, function execution times, and main thread activity to create smoother user experiences.

What is Observability and Why Does It Matter?

Learn what observability is and why it's essential for modern software development. Using a simple dental visit analogy, this article explains how observability helps engineers quickly find and fix system problems, improving development efficiency.

How to Write Good Documentation as an Software Engineer

Software engineers need strong documentation skills to advance their careers. This guide explores the tangible benefits of good documentation, from improving your thinking clarity to expanding your influence, and provides practical advice on identifying your audience, focusing on key messages, and adapting your writing style to different document types.

Feature Articles

[Medium] LeetCode JS 30 - 2625. Flatten Deeply Nested Array

Learn how to flatten deeply nested arrays in JavaScript without using the built-in Array.flat method. This tutorial introduces a recursive approach to flattening multi-dimensional arrays to a specified depth. Enhance your JavaScript skills with this comprehensive guide!

How to remove duplicates from an array?

Learn multiple solutions to remove duplicates from an array efficiently in JavaScript. This tutorial covers four methods: using Set, filter with indexOf, nested for loop, and utilizing Object or Map. Enhance your JavaScript skills and be well-prepared for array manipulation challenges in interviews and real-world scenarios.

The Most Common JavaScript Event Loop Interview Questions

The event loop is a common question in interviews. In addition to knowing the concept, You also need to know how it works in code. Here we have listed common JavaScript event loop code interpretation questions

What is the CSS Box Model?

When the browser engine lays out the document, it will treat each element as a rectangular Box according to the Box Model of CSS. This Box is composed of content, padding, border and margin.