Every karaoke app, remix tool and "make it instrumental" button is solving the same problem: getting one sound out of a finished stereo mix. There are two very different ways to do it. One is a clever trick from the 1970s that…
Extract and validate invoice data, detect duplicates and prepare an approval packet while keeping vendor changes, accounting decisions and payment authority with finance. An invoice processing agent should prepare evidence for finance, not approve or pay invoices. Receive the file…
A website redesign affects SEO whenever it changes something Google uses to rank a page: the URL, the title and H1, the internal links, the HTML Googlebot ends up processing, or the speed of the template. A redesign that keeps every…
If you've ever bought a Udemy course, you've probably seen this: the same course costs one price on Monday and a fraction of it on Thursday. One course I watch was listed at $110 and sold for under $20 a few days…
SaaS user deprovisioning is one of those responsibilities that's easy to overlook when you're building an authentication system. A user leaves a customer’s company, an administrator removes their account, and everyone assumes their access has been taken care of. Imagine…
Dirty reads, phantom reads, and the setting that quietly decides how safe your Django data really is. Every Django developer uses database transactions. Far fewer know that transactions come with a dial: a setting called the isolation level that silently…
I run a small site about learning Chinese. Fifty-four pages, all indexed, clean technicals. Last week I pulled 28 days of Search Console data and sat with it for an hour. The average position was 41.7. I have read a lot of…
Agentic LLM systems have moved from linear prompt chains to graph-based workflows and, more recently, code-executing harnesses. Chains are simple but fragile, graphs add branching, retries, and validation, and code harnesses verify outputs through execution. The article advises validating model…
Let’s trace one task through OpenSeal. Suppose an agent is preparing a draft and needs approval... Tagged with agents, architecture, llm. Let’s trace one task through OpenSeal. Suppose an agent is preparing a draft and needs approval before an action…
You write a model, the first API response parses fine, and a week later a crash report says: Nothing in your code changed. The data did. Here are the three type errors I see most often with jsonDecode, why they happen,…
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