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How I'd Build a Full Stack App on a $0–$20 Monthly Budget

How much does it actually cost to host a full stack application in 2026? With so many services offering free tiers, you can get surprisingly far without spendin…

🤷‍♀️ Soul Searching Amid Tech Frustrations

Alright it’s time to check in. I have wanted to share some findings between now and my last post, but I have been too preoccupied playing catching up with schoo…

Your model choice is a bet. Build a router that keeps score

Most of the time I pick the same Claude model I used last session, out of habit. So I built a small Claude Code mod that scores that habit. It reads your first …

Memory in an XRPL Node: Explicit Heap Trimming after Cache Sweeps

For operators If you measure your node's memory, read the xrpld process, its RSS from /proc//status or a process exporter, not the systemctl status figure, whic…

Ubuntu 24.04 gets kernel fixes two months after Debian

Ubuntu 24.04 still hasn't got the fix for CVE-2026-98432 , a bug in how IPv4 hands over a new TCP connection, which Canonical rates critical and says can lead t…

Android 17 on a 4.9 Kernel: LineageOS 24.0 on the Pixel 3a

This article provides a step by step guide to running LineageOS 24.0, which is Android 17, on a Google Pixel 3a and its original 4.9 Linux kernel. It continues …

Ubuntu 24.04 Restricts User Namespaces. That's Why Your Agent's Sandbox Won't Start

Book: Prompt Engineering Pocket Guide Also by me: Thinking in Go (2-book series) — Complete Guide to Go Programming + Hexagonal Architecture in Go My project: H…

Read a TLS certificate's dates with openssl, and make sure it's the right certificate

A browser says the certificate has expired, or a monitor says it's about to. Before you touch anything, ask the server what it's really presenting. That takes o…

Alpine Linux OpenSSH password bypass (Nov 2026): are you affected? A read-only checker script

This morning (5 November 2026) Alpine Linux published an advisory: with Alpine's openssh-server package, an attacker who can reach your SSH port can log in with…

How to Manipulate and Reorganize Multi-Page PDFs In-Browser Without Crashing the Tab (pdf-lib & pdf.js Dual-Engine Guide)

Processing PDFs entirely on the client side is becoming the gold standard for modern web applications. It provides zero-latency interactions, eliminates expensi…

Laravel CORS Error with React or Vue: Causes and Fixes

You split the project in two: Laravel serves an API on localhost:8000 , and a React or Vue app runs on localhost:5173 . The first request from the browser fails…

Prefer patch-sized agent edits for form validation rules

Agents love “fixing” forms. You ask for one rule — zip required before city on blur — and the PR rewrites the whole validation layer, swaps the library, and inv…

Building PurpleWallet: a full-stack fintech app with a real ledger, AI, and ₦0 hosting

PurpleWallet started as a backend exercise: a Node.js wallet API with Prisma, Redis and a few queues. Over the past few months it grew into a complete product, …

An open source tourism / travel landing + contact page.

Built with react js, Tailwind, lenis, and GSAP. Live site : https://ns-trip.heysimplice.com/ Source code : https://github.com/njoh-simplice/pagecase-pages Free…

Best Discord NSFW Bots to Block Explicit Images (2026)

A single explicit image in a public channel can drive members away and put your server at risk under Discord's rules. A Discord NSFW bot for moderation scans wh…

Automate Fusion 360 with Python: API in Practice

I use the Fusion 360 API (via an MCP bridge) to create parametric parts, generate patterns, export STL/STEP, and run CAM toolpaths — all from code. No manual cl…

E.164 Phone Number Format: A Developer Cheat Sheet

The E.164 phone number format is the standard way to write any phone number as one unambiguous string: a plus sign, the country code, then the national number w…

Why Your Agent's Memory Layer Will Fail at 3 AM: HNSW Contention and Semantic Retrieval Under Load

Why Your Agent's Memory Layer Will Fail at 3 AM: HNSW Contention and Semantic Retrieval Under Load At 3:17 AM, our agent platform started timing out. CPU looked…

किसी रिसर्च पेपर का मुफ़्त फ़ुल-टेक्स्ट PDF उसके DOI से कैसे ढूँढें

आपके पास DOI है, पब्लिशर का पेज लॉगिन माँग रहा है, और आपको बस मेथड्स वाला सेक्शन पढ़ना है। अक्सर कहीं न कहीं उसकी एक कानूनी और मुफ़्त कॉपी मौजूद होती है: लेखक क…