Elias Miller's Dev & Tech Lab

Elias Miller's Dev & Tech Lab

#javascript

Articles tagged with #javascript

The Engineering Reality of JSON to CSV Conversion: Dimensionality Reduction, RFC 4180, and Formula Injection
Why converting hierarchical JSON trees to flat matrices breaks in production, from RFC 4180 escaping to formula injection attacks.
Oct 16, 20268 min read
Demystifying Regular Expressions: From NFA Backtracking and ReDoS to the Modern /v Flag
Exploring the mechanics of NFA state machines, catastrophic backtracking, the stateful lastIndex trap, and modern ECMAScript features.
Oct 16, 20267 min read
Beyond Base64: The Anatomy of a JWT, Signature Forgery, and Common Security Blunders
A technical deep dive into RFC 7519, the 'alg: none' flaw, algorithm confusion attacks, and defensive token validation in production.
Oct 16, 20267 min read
Why Your 'Redacted' PDF Is Still Leaking Secrets: The Anatomy of PDF Content Streams
A deep dive into PDF specification internals, why visual blackout overlays fail, and how byte-level client-side sanitization actually works.
Oct 16, 20269 min read
Why Most PDF Redaction Fails: The Mechanics of True In-Browser Vector Sanitization
A deep dive into PDF content streams, glyph removal, and how to scrub sensitive data without server exposure.
Oct 16, 20265 min read
Building a Zero-Upload PDF Merger: Client-Side Binary Stitching with WebAssembly and ArrayBuffers
How to merge multi-megabyte PDF files inside the browser sandbox without server dependencies or memory leaks.
Oct 16, 20265 min read