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Latest Articles

What Is Replication, and Why Do Databases Need It?

Data replication stores copies of the same data across multiple nodes or regions to improve availability and reduce access latency. This article explains single-leader, multi-leader, and leaderless replication, along with the latency tradeoffs between strong and eventual consistency.

Why Are More Design Systems Choosing StyleX in the Age of AI Agents?

Why are more teams choosing StyleX as AI agents take on more UI development? Drawing on examples from Linear and Polar, this article explores how types, design tokens, and static checks can keep generated styles consistent and reduce the burden of code review.

Reducing Latency Through Colocation

Colocation reduces internode and intranode communication latency by moving users, servers, databases, and computing resources physically closer together. This article uses edge computing, CDNs, CPU caches, and the tradeoffs between TCP and UDP to explain how colocation improves system latency in practice.

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.