Divyanshu's Blog
Thoughts on software engineering, technology, and building digital products.
- Blog
Vector Databases: Beyond Keyword Matching
Traditional databases rely on exact keyword matches. Vector Databases understand context and intent. This blog explains the architecture that makes modern AI retrieval possible.
- Blog
How AI Coding Tools Are Rewiring Software Development
Software development is changing fast. Agents write code, engineers review and orchestrate. Here's what agentic engineering looks like from the inside; the tools, the costs, and the new skills that matter.
- Dev.to
The Silent Database Conflict
Why "correct" credentials still fail, how TCP port ownership lies to you, and how a single filesystem path exposed the real bug
- Dev.to
Subscribers in PKI: Who Actually Uses the Certificates
You can design perfect PKI on paper - and still break production with one bad certificate. The difference lies in understanding the subscribers who actually use it.
- Dev.to
Private Certificate Authorities: Building Trust Inside Your Organization
Everything runs smoothly in dev - until one compromised service can pretend to be another. If you don’t have a solid trust model in place, scaling your system just scales your risk.
- Dev.to
PKI 101: Why Public Key Infrastructure matters
Things break the moment your app leaves localhost - and security becomes your problem. PKI is the invisible system that makes secure communication and digital trust on the internet actually work.