What "Print-Ready" Actually Means: EPUB 3, Fixed PDFs and KDP Trim MathWriting the book is the part everyone talks about. Then you try to publish it and discover the second project: files. An EPUB that passes validation and reads well on a phone. A PDF for people who wan5h ago · 9 min readbillionverify.hashnode.dev
Product Videos as Code: Voiceover-Timed Storyboards Rendered with RemotionEvery feature launch wants a short video: one for the launch page, one for the changelog, a vertical cut for social. Most teams don't have a motion designer on call, so the video either waits until af5h ago · 8 min readbillionverify.hashnode.dev
Feeding Video to an LLM: Timestamped Transcripts over REST and MCPModels read text. Most of what people want them to read lately is video: a conference talk, a product demo, a competitor's channel, a podcast clip someone posted on X. You can't grep an MP4, you can't5h ago · 9 min readbillionverify.hashnode.dev
How to Verify an Email Address Without Sending One (and Use It at Signup)A regex tells you an email address looks right. It can't tell you whether anyone will ever read mail sent to it. jane@gmial.com passes most patterns. So does test123@mailinator.com, and so does a form6h ago · 10 min readbillionverify.hashnode.dev
3 Critical Pitfalls in Signup Form Validation (And How to Fix Them)I was reviewing the user database at a SaaS company where I'd just started consulting. The product had grown to 8,000 active users, and they were struggling with a mysterious problem: their email markMar 12 · 16 min readbillionverify.hashnode.dev
