Unit/integration tests, fuzzing, reliability, and observability for apps.
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I measured fourteen lint rules against a real codebase. Six found nothing. The tempting move is to switch those six off. The report says zero, zero looks like dead weight, and a shorter config is easier to defend. That instinct…
Four lines, run through my own XPath injection rule today: The first two are the same vulnerability. The last two are the same statement. The only thing that changed is what the variables are called. no-xpath-injection has to decide whether…
The truth is that DRF validation is a small, orderly pipeline. Data comes in, passes through three distinct levels of checks in a specific sequence, and comes out the other side as clean validated_data you can trust. Once you know the…
TestMu AI (formerly LambdaTest), the Full Stack Agentic AI Quality Engineering platform, announced real device support in Kane CLI. Developers can now test a mobile app on a real phone or tablet in the TestMu AI cloud straight from the terminal:…
Before you import a lead list or send a campaign, you want to drop the junk: typos, fake domains, throwaway inboxes. Many verifiers do this by opening SMTP connections to each mail server, which is slow and often gets IPs…
In September a developer asked for a copy of the orders database from the previous Friday to... Tagged with sergeyshinder, observability, prometheus, backups. In September a developer asked for a copy of the orders database from the previous Friday to…
Built 27 Aug 2026 · written up 14 Oct 2026 Can technically safe product knowledge survive contact with an actual user? One model, one fixture, same as yesterday: every number below comes from anthropic-opus-5 against a single application we wrote ourselves, with patterns we knew…
When an agent answers wrong, the first thing most of us open is the retrieval log. It returns a list of memory IDs that came back from the store. What it does not tell you is which of those survived…
There are various tasks in natural language processing, and it is a field where it is easy to confuse their meanings and differences during an actual exam. Many people are often unsure, especially about how it differs from natural language…
I built a webhook catcher for integration testing: give it a POST, get back an HTTPS URL that stores events for 24 hours, read them back when ready. Simple. The spec said 'stores up to 100 events.' I implemented a ring buffer…