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⚡ AI Lessons

Dev.to · Iurii Rogulia
10h ago
Fortiro Alternative: A Self-Serve PDF Tamper Detection API
Looking for a Fortiro alternative? HTPBE is a self-serve, developer-first PDF tamper detection API, instant signup. Honest tradeoffs included.

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
3d ago
PDF Tamper Detection API for Java: Spring Boot Integration Guide
Integrate the HTPBE PDF tamper detection API into Spring Boot: a RestClient @Service, a typed record DTO, retry on 5xx/429, and a bank-statement fraud…

Dev.to · Iurii Rogulia
⚡ AI Lesson
3d ago
Feature Flags Without LaunchDarkly: A 100-Line Solution
Feature flags without LaunchDarkly: a Postgres-backed, ~100-line system with deterministic percentage rollout, per-tenant overrides, and caching.

Dev.to · Iurii Rogulia
🔐 Cybersecurity
⚡ AI Lesson
4d ago
Adobe Producer Spoofing: A PDF Metadata Forgery Case Study
How forgers launder edited PDFs by faking an Adobe Producer string — and how structural forensics catches the contradiction between the claim and…

Dev.to · Iurii Rogulia
5d ago
Isomorphic Canvas Rendering: One draw() in Browser and Node
Isomorphic canvas rendering: one drawCard() runs in the browser and on the server via @napi-rs/canvas, so the share image and in-app card never drift.

Dev.to · Iurii Rogulia
6d ago
Adding Semantic Search to Internal Docs in 200 Lines
Semantic search for internal docs with Postgres and pgvector: chunk, embed, and query by meaning so people find the right document, not the exact words.

Dev.to · Iurii Rogulia
6d ago
SBA-7a Loan Stip Fraud Detection: Post-PPP Lessons
SBA-7a and small-business lending stip-doc fraud: four recurring tamper patterns, structural signals that catch them, and where IRS 4506-C stays ground…

Dev.to · Iurii Rogulia
💻 AI-Assisted Coding
⚡ AI Lesson
1w ago
My Checklist for Reviewing AI-Generated Code
A senior's checklist for reviewing AI-generated code, ordered by cost of error — the bugs that read perfectly and pass a normal eyeball review.

Dev.to · Iurii Rogulia
1w ago
When AI Beats a Senior Developer — and When It Doesn't
AI vs senior developer is the wrong question. The right one is which class of task — by type, not difficulty — is faster to delegate to an AI agent.

Dev.to · Iurii Rogulia
1w ago
Workers Comp Fraud: Altered Medical and Wage PDFs
Workers comp fraud detection: inflated wage statements, backdated medical reports, altered FCE PDFs. Structural signals SIU desks miss at intake triage.

Dev.to · Iurii Rogulia
⚡ AI Lesson
1w ago
Deterministic Wrong: Why a Viral Web Toy Must Be Wrong the Same Way Every Time
Deterministic random in JavaScript: why a viral web toy dies if it uses Math.random(), and how FNV-1a + mulberry32 make the same wrong answer reproducible…

Dev.to · Iurii Rogulia
1w ago
Large PDFs in Node.js Without Unbounded Buffering
Handle large PDF uploads in Node.js without V8 heap exhaustion or serverless body limits. Bounded memory, byte caps, concurrency control, production…

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
1w ago
Stripe to Mollie Migration: What Actually Breaks
Stripe to Mollie migration in production: mandates instead of Subscriptions, thin webhooks, no proration, no portal, no Tax. What you rebuild yourself.

Dev.to · Iurii Rogulia
1w ago
Tenant Screening SaaS: Bank Statement Fraud Detection
How tenant screening platforms add structural PDF forensics to applicant-document pipelines: API integration, FP calibration, fit next to Plaid and Snappt.

Dev.to · Iurii Rogulia
1w ago
Build an Internal CRM on Supabase: A Weekend-Scale Guide
Build an internal CRM on Supabase: schema design, RLS policies, Next.js App Router frontend, realtime subscriptions, and an honest look at where the…

Dev.to · Iurii Rogulia
1w ago
Auto F&I Fraud: Forged Pay Stubs in Dealer Financing
Forged pay stubs and bank statements clear DTI thresholds in seconds. How auto lenders detect altered stip docs at indirect-channel intake before funding.

Dev.to · Iurii Rogulia
🔧 Backend Engineering
⚡ AI Lesson
1w ago
PDF Tamper Detection API for Laravel and PHP: Integration Guide
Integrate the HTPBE PDF tamper detection API into a Laravel or PHP app: curl, Guzzle, typed Service Provider, Form Request validation, queued jobs and…

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
Batch PDF Verification at Scale: Async Queue Patterns for the HTPBE API
Batch PDF verification with BullMQ: wrap the synchronous PDF tamper detection API in a job queue with concurrency control, 429 Retry-After backoff…

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
PDF Tamper Detection in Next.js: App Router Integration Guide
Integrate PDF tamper detection into a Next.js App Router app: Node.js route handlers, presigned R2 uploads, server-side analyze + result calls, error…

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
Building a Document Fraud Detection Workflow for Fintech: Beyond KYC
Document fraud detection workflow for fintech: identity, open banking and PDF integrity as three independent layers. Routing logic, TypeScript…

Dev.to · Iurii Rogulia
📣 Digital Marketing & Growth
⚡ AI Lesson
2w ago
Best Headless CRM in 2026: Twenty vs EspoCRM vs Custom Build
Headless CRM comparison 2026: Twenty vs EspoCRM vs DIY on Postgres. Real trade-offs on schema flexibility, integration, cost, and ecosystem risk.

Dev.to · Iurii Rogulia
⚡ AI Lesson
2w ago
I Built a 30-Line Chrome Extension to Kill the YouTube Feed
How I built a tiny Manifest V3 Chrome extension that redirects the YouTube homepage feed without breaking search, videos, or subscriptions —…

Dev.to · Iurii Rogulia
2w ago
Invoice Fraud in Accounts Payable: Detect Altered PDFs Before Payment
Invoice fraud in accounts payable: how BEC swaps, fabricated suppliers and line-item inflation show up in PDF structure — and how AP teams can check at…

Dev.to · Iurii Rogulia
🛡️ AI Safety & Ethics
⚡ AI Lesson
3w ago
Bank Statement Fraud in Lending: What Gets Altered and How to Catch It
Bank statement fraud in lending: borrowers edit balances, deposits and overdrafts before upload. Three structural signals — xref count, producer…
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