For people building apps with AI tools

Practical help for the app you built with AI, page 4.

Latest articles

Maintainability

How to enable TypeScript strict mode on an AI-built app: turn it on, fix what it finds, keep the suppressions out

17 min read
Revenue

How to enforce plan limits on the backend: server-side entitlements the customer cannot reach

9 min read
Maintainability

How to find unused code in a repo: dead code and duplicated logic in an AI-built app, removed without breaking anything

16 min read
Revenue

How to integrate Stripe into a working app: what a correct integration contains, end to end

18 min read
Revenue

How to make a webhook handler idempotent: one event, one business effect, however many times it arrives

16 min read
Compliance

How to manage SaaS data compliance in your own app: the eight controls a customer, a regulator and a buyer ask for

15 min read
Compliance

How to redact personal data before LLM calls: what leaves your app, what to cut, and the terms behind each provider

16 min read
Revenue

How to set up Stripe customer portal so invoices, card changes and plan changes stop arriving as support email

15 min read
Revenue

How to test webhooks: create the Stripe endpoint, find the signing secret, and get from a CLI test to the first real event

12 min read
Security

JWT security for a live app: expiry, refresh rotation, and revocation that actually revokes

22 min read
Revenue

How to keep Stripe subscriptions in sync with database records: the reconciliation query, the six ways they drift, and the weekly job

13 min read
Maintainability

Legacy code takeover: a first-month plan for the engineer who inherited a codebase nobody can explain

16 min read
Maintainability

Linters and formatters on a codebase an AI wrote: one config, the rules worth failing a build over, and the suppressions to watch

17 min read
Stability

Logs severity levels in production: debug, info, warn, error, and what stays switched on

16 min read
Compliance

MVSP and the SOC 2-style controls checklist: what an enterprise buyer expects, and the evidence behind each line

17 min read
Security

NIST minimum password length, and the rest of the current password guidance: what to set in your app and what to stop doing

18 min read
Stability

No idea where users drop off: the four product events to instrument, and how to prove they fire

15 min read
Stability

OpenTelemetry distributed tracing: what it replaces, what it costs to adopt, and when to skip it

20 min read