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This article was originally published on Jo4 Blog. We built a suite of free developer tools: JSON formatter, JWT decoder, QR generator, UTM builder, and about a dozen others. Then we added AdSense
I work across English and Chinese codebases — internal docs, commit messages, customer support replies — and for a long time my Chinese typing speed was a real bottleneck. I could read characters fine
Coding agents today are products, not platforms. Every single one ships as a bloated, all-in-one package that forces you into its way of working. Claude Code wants you to use their plugin system. Code
SQLite and Concurrency: The Lockout Experienced at islistesi.com A few weeks ago, the SQLite database I use to ensure data consistency in a production ERP system gave me serious trouble wit
As developers, we often perceive video downloading as a simple GET request to a .mp4 URL. However, modern social media giants like Reddit have moved far beyond static file hosting. Today, Reddit emplo
Claude Code is genuinely remarkable. But if you've been using it for more than a week, you've noticed something: everyone's terminal looks identical. Same colors, same layout, same feel. You could scr
Infracost estimates your monthly cloud bill from Terraform code before you deploy. But its output — a long table of resource costs in the terminal — makes it hard to see which part of your architectur
The setup Last month a friend DM'd me a screenshot. An AI security agent had "discovered" a vulnerability in a popular open-source project. The agent walked through exploitation steps, sugg
Every time your team opens a pull request that changes Terraform, Kubernetes, Bicep, or any other IaC file, reviewers face the same problem: they have to mentally simulate what the code change does to
Checkov finds hundreds of misconfigurations in your Terraform, Kubernetes, and CloudFormation code — but its output is a wall of terminal text. Resource names like aws_s3_bucket.data_lake and check ID
Two months ago I started a portfolio project: build three small specialized language models for healthcare practice intake, benchmark each one honestly against frontier APIs, and write about what I le
RCS Business Messaging: 5 Templates You Can Use Today Building for RCS? The GSMA Universal Profile is 200+ pages. Most developers just need working templates and a validation checklist. Af
Quería resolver un problema concreto: consultar y actualizar expedientes desde el móvil sin abrir un CRM o una interfaz pesada. Muchas tareas administrativas son simples, pero obligan a entrar en una
Over the years, my opinion on technical debt has changed a lot. Earlier, I used to think technical debt meant bad engineering decisions. Now I think differently. In product companies, especially fas
The v1.10.0 post covered the regulated-deployment work. The five point releases since are not headline-shaped. They are the things people kept asking for in issues and the things that were quietly bro
In today's fast digital world, data is shared, generated and updated at a very high rate due to the improved technology across the world. Organizations, businesses, persons all now becoming dependen
Modern data engineering is built around automation, orchestration, and scalable infrastructure. In this project, I built a Dockerized ETL pipeline that collects crypto data from the CoinPaprika API, p
I Charged $80/Month for AI Agent Work. A $5,000/Month Guide Said I Should Be Charging $5,000. A field guide to AI agent pricing — and why everyone is leaving money on the table. Last mo
TBH Being a CS student in India right now feels like running a race where the finish line keeps moving. Companies want updated skills. College teaches outdated ones. YouTube tutorials are
I have a love-hate relationship with inventory systems. Not with games' inventory systems — with my own. Every time I start a new project, I swear I'll build something elegant. Clean. Intuitive. And