Notes & essays

CSS infinity in calc()

CSS now has infinity, -infinity, and NaN inside math functions. How to use them for pills, stacking, open clamps, and a number-to-boolean trick, with working examples.

• css
• frontend
• design

Hidden Allocations in Go Hot Paths

Why hot paths in Kubernetes, Prometheus, and Hugo prefer strings.Builder and strconv over += and fmt.Sprintf—with links to the actual code and PRs.

• go
• golang
• performance

How to Add Telegram Bot Notifications to Your Web Application

A quick tutorial on integrating Telegram bot notifications into your web application. Learn how to create a bot, get your chat ID, and send notifications from your server-side code using the Telegram Bot API.

• telegram
• bot
• notifications

Cloudflare R2 with Next.js: Public File Storage (Part 1)

Part 1 of a series on using Cloudflare R2 with Next.js. Learn how to set up R2 buckets, configure custom domains, and implement public file upload, delete, and retrieval operations using the S3-compatible API.

• cloudflare
• r2
• nextjs

How to Set Up and Configure Vite Proxy for Local Development

A comprehensive guide to setting up Vite's development proxy to solve CORS issues and connect your frontend to your backend during local development. Learn common configurations, troubleshooting tips, and best practices.

• vite
• frontend
• development

Choosing Your Canonical URL: A Strategic Framework

How canonical URLs solve the identity crisis of modern websites. A practical guide with real-world case study from studentFirst showing how duplicate URLs diluted SEO authority and how canonical tags fixed it.

• seo
• canonical-urls
• web-development

Designing Location-Intelligent Property Search with PostGIS

How treating location as geography rather than text solved inconsistent property search results in Nigeria's real estate market. A case study on spatial indexing, constraints, and technical decision-making.

• case-study
• postgis
• spatial-data

Day.js: My Favorite Date Handling Library

Why Day.js became my go-to date library after years of working with JavaScript dates. A practical guide covering everything you need for everyday date handling.

• javascript
• date-handling
• libraries

Inversion of Control

Learn how Inversion of Control (IoC) helps create lighter, more reusable components by letting components handle when, and letting you decide how.

• programming
• design-patterns
• react