Lesson 4b - Validation: Testing the gate itself
The last lesson was about validating what a model hands you. The story behind it: a set of prompts that had returned real, criteria-matched vendors…
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How to Validate a Startup Idea on Reddit (Founder's Guide)
Your friends think your idea is great. Your mom loves it. That tells you nothing. If you want strangers to tell you the truth for free, learn how to…
Orthogonality Is an Acceptance Test
A portfolio can look good on the usual scorecard and still answer the wrong question. One line says return was high. Another says risk-adjusted perf…
Lesson 4 - Validation: A must-have cornerstone
In a traditional SDLC, validation was someone else's job and it came later. QA teams checked that the software did what it was supposed to. The beha…
Request validation with Zod in Express
Express does not validate request input for you. Without a check at the edge, handlers get raw req.body , req.query , and req.params - strings where…
Laravel Precognition: Live Validation That Reuses Your Backend Rules
Book: Decoupled PHP — Clean and Hexagonal Architecture for Applications That Outlive the Framework Also by me: Thinking in Go (2-book series) — Comp…
Angular Reactive Forms Validation — Complete Guide (2026)
Canonical URL: Republished from munonye.com . Try the live demo: StackBlitz Overview Complete guide to Angular reactive forms validation with Angula…
Как я избавился от тысяч строк валидации в Swift
Каждый раз, когда нужно добавить новую модель в проект, приходится писать буквально одинаковый код: с одинаковыми проверками, с одинаковыми кор…
DNSSEC validation на Go: написал свой validator и не до конца сошёл с ума
Я пилю VantageDNS, privacy-focused recursive DNS-резолвер с фильтрацией. Edge-фронт на Go, 10 нод по миру, миекговский miekg/dns под капотом. На как…
I got tired of describing the same request 3 times in Symfony
When building Symfony APIs, I kept duplicating the same request contract: validation rules in a DTO OpenAPI schema (often separately) mapping / glue…
Designing Idempotent Bulk Import Pipelines (E.164, VIN, and the Rest)
Designing Idempotent Bulk Import Pipelines (E.164, VIN, and the Rest) Bulk imports are a special category of pain. You give the user a CSV uploader,…
Madrigal's "Failures as Eval Suites" Pattern and How Flow Already Provides the Infrastructure
A blog post on LangChain's site about how Madrigal Pharmaceuticals built their multi-agent AI platform caught my attention this week. Not because of…
JSON Structure: The Schema Language That Actually Works for Developer
If you've ever tried to do serious code generation from JSON Schema — or used OpenAPI tooling on a complex schema and watched it give up mid-object…
Pydantic & Data Validation — Border Control for Python APIs (2026)
Fortifying APIs: Data Validation with Pydantic When building backend services, a fundamental principle stands above all others: never implicitly tru…
The Dangerous Bugs Are the Ones That Don't Crash — Building Input Validation for My MCP Server
The Dangerous Bugs Are the Ones That Don't Crash: Building Input Validation for My MCP Server I was building an MCP server for an event platform tha…