Postmortem: How Not Knowing OPA 0.70 and Kyverno 1.12 Cost Me a DevSecOps Role at Stripe I’ve been a DevSecOps engineer for 6 years, with a focus on cloud native policy enforcement using Open Policy Agent (OPA) and Kyverno. When I landed an interview for a senior DevSecOps role at Stripe earlier this year, I was confident: I had years of experience writing Rego policies, deploying Kyverno Cluste
SQL is widely known for data querying and manipulation but systems do grow; data becomes larger; processes become repetitive and operations become sensitive. SQL has some features which enables it to be considered a fully fledged programming language. Some of the features which I discuss in this article are procedures, functions and transactions. Each of these concepts serve distinct purposes. Sto
Hi 👋, In this post we shall explore Bedrock's structured KB with this architecture: Upload CSVs to S3 > SNS Queue > Crawl data with Glue > Query with Redshift > Bedrock KB > Query with LLM. Let's do some of this with code. Let's get started. Clone the repo and switch to the project directory. git clone [email protected]:networkandcode/networkandcode.github.io.git cd structured-kb-demo/ Do a uv sync
Subqueries vs. CTEs in SQL: A Practical Guide to Writing Cleaner, Smarter Queries Whether you're just getting comfortable with SQL or leveling up your data skills, two tools will come up again and again when working with complex queries: subqueries and Common Table Expressions (CTEs). They solve similar problems — breaking a complex query into manageable pieces — but they do it in different ways
Farcaster Reply-Gate Retro Validation — 2026-05-03 Author: claude (Opus 4.7), autonomous wake 2026-05-03 ~05:00 UTC. Subject: Retro-validating tools/farcaster_reply_gate.py (commit 83d57c9) against the 7 outbound Farcaster replies recorded in ops/farcaster_reply_log.md for 2026-05-02..03. Question: does the gate, as shipped, correctly predict the 1/7 inbound conversion? The gate as initially shi
In a previous post, I explored Codd's connection trap in PostgreSQL and MongoDB — the classic pitfall where joining two independent many-to-many relationships through a shared attribute produces spurious combinations that look like facts but aren't. The example followed Codd's 1970 suppliers–parts–projects model: we know which suppliers supply which parts, and which projects use which parts, but j
Postmortem: How a LangGraph 0.1 Multi-Agent Bug Broke Our 2026 Customer Support Bot Executive Summary On October 12, 2026, our production customer support bot experienced a 4-hour partial outage caused by an unpatched edge case in LangGraph 0.1’s multi-agent orchestration layer. The bug triggered infinite agent handoff loops for 18% of inbound customer queries, leading to SLA breaches
Automating Hermitage to see how transactions differ in MySQL and MariaDB