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Short answer: Store every user's IANA timezone and next_run_at in UTC, run a periodic cron sweep for rows due at or before now, and enqueue each remin
Short answer: for a property-management SaaS that needs searchable events from a nightly data pipeline, a simple API-first collector is a sensible Log
DST-Safe SaaS Payment Emails: UTC Cron, User Timezones, and Reconciliation Short answer: use one UTC cron as a coarse tick, then let applic
I have a confession, and I suspect I'm not alone in it: I've built RAG infrastructure multiple times, and until last week I had never benchmarked any
This article was written by Lin Borland Aggregation pipelines are one of the most powerful tools in MongoDB. They let you filter, reshape, compute, a
Your wallet balance shouldn't be a column Building a Ledger, #1 of 12 An agent is standing in a shop in Ikeja. She has ₦80,000 in her wall
Everything I run in production lives on one inexpensive ARM VM: a headless CMS, a club management app, two Umbraco package demos, a job portal, analyt
Introduction Implementing a read-only MCP server in Go to integrate with a REST API and AI capabilities is a strategic move for developers
Short answer: Let the identity team own the SMS OTP template and resend policy, let the payment domain own the order-receipt template, and make the ba
Short answer: treat user identity, tenant membership, and application authorization as separate records, then require every signup, login, and recover
I wanted to actually see the TCP vs UDP tradeoff instead of just reading another diagram explaining it, so I built a small tool that downloads the sam
A large ZIP export becomes an isolation problem before it becomes a throughput problem: its multipart upload must belong to one tenant and one worker
We're building deslop — rule packs that stop coding agents from re-introducing bugs that were already fixed. One half of that is detection: if a rule
Short answer: use a public HTTPS push endpoint when short, inexpensive delivery latency matters more than worker control, but authenticate every reque
Hunting Ghost Jobs: How an Open-Source Job Aggregator Detects Fake Postings at Scale The Problem Nobody Talks About You've seen
A new order status is a one-word change to a spec and, on MySQL, potentially a full table rewrite. The team's reaction to that scar is almost always t
📌 Originally published at e-mahmoudi.me A Small Fintech Challenge, and Why I Let Postgres Hold the Money I picked up a small backend cha
📌 Originally published at e-mahmoudi.me I Built a Liquidity Sniper Bot for BNB Chain, and It Proved a Losing Game I built a crypto tradi
An SSE stream is an HTTP request that never ends. Every default you did not touch is working against it. TL;DR: your SSE endpoint breaks twice befor
I didn't wake up planning to get six pull requests merged. I just wanted to add one missing Go tool to termux/termux-packages. Then I figured, while I