The cost incident that started this Three weeks after we put our chatbot into production, I opened the OpenAI billing dashboard on a Monday morning and stopped breathing for a second. One session — not one user, one session — had burned through roughly four times the daily budget for the entire app. Over a single afternoon. The session wasn't malicious. It was a test account someone forgot to lo
Just wrapped up the core setup for my e-commerce API (Impextech): Auth, Products, and Users. Everything is running on Node.js, Express, and TypeScript. Instead of just getting it to work, I spent this week focusing on security, keeping the code clean, and fixing some annoyances in my dev environment. Here’s a breakdown of what I built and a few "gotchas" I learned along the way. I split everythin
A LinkedIn recruiter pitched me a remote "Software Engineer at a DEX" project this week. Reasonable comp range, tech stack squarely in my wheelhouse. After a couple of friendly exchanges, she asked me to "review the codebase before the technical interview" and sent me a GitHub repo link plus a Calendly invite for the call. The repo was malware. It didn't get me, but it's something developers shoul
What is Azure Storage? Azure storage is Microsoft's cloud storage solution. It allows storage of unstructured data, pdfs, file shares etc. The following steps in this article outlines how I was able to create storage for the department's testing and training. In the Azure portal, search for and select Resource groups Select + Create Give your resource group a name. For example, storagerg
Multi-tenancy is the economic engine of SaaS. Sharing infrastructure across customers reduces cost and simplifies operations. But it introduces a risk that can end your business overnight: tenant data leakage. When one customer can see another customer's data — even accidentally — the consequences are severe. Regulatory fines, contract termination, public disclosure requirements, and irreparable t
Setting up a public website using azure blob storage can be easy with the following steps. what is azure blob account? An Azure Blob Storage account is just a cloud space from Microsoft where you can store files of any type—like documents, pictures, or videos—so you can access them anytime, anywhere. with the following steps we will create a public website using azure blob storage. step 1 on azure
Before you train a model, you need data in the right format. This took me longer than I expected and taught me a lot about how LLMs actually learn. I used MedQA USMLE — real medical licensing exam questions used to certify doctors in the US. It's available on HuggingFace for free. from datasets import load_dataset dataset = load_dataset("GBaker/MedQA-USMLE-4-options") Each sample looks like this:
If you’re coming from Web2, identity probably means a username and password. You sign up for a service, create credentials, and the platform stores your data. Whether it’s GitHub, your email, or a banking app, your identity exists because a company manages it. Solana works differently. On Solana, your identity starts with something called a keypair. This is made up of two things: a public key and