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Prompt Injection: "SQL Injection" của thời đại AI – và chúng ta vẫn chưa sẵn sàng
Tóm tắt nhanh: Hai mươi năm trước, SQL injection khiến hàng loạt website bị đánh cắp dữ liệu chỉ vì một lỗi thiết kế: dữ liệu và lệnh đi chung một đường. Hôm nay, các hệ thống AI đang lặp lại đúng…
By Toshstack Admin — Oct 02, 2026
Background Jobs in NestJS With BullMQ: A Practical Setup
Queues, retries with backoff, and idempotent processors for BullMQ in NestJS, so a slow job never blocks an HTTP response again.
By Toshstack Admin — Aug 20, 2026
Optimizing React Rendering Performance Without Guessing
How to use the React DevTools Profiler to find real re-render problems, and when memoization actually helps versus adds overhead.
By Toshstack Admin — Aug 07, 2026
The OWASP Top 10, Translated Into Actual Backend Code
What broken access control, injection, and the rest of the OWASP Top 10 look like in a real NestJS + TypeORM codebase.
By Toshstack Admin — Jul 26, 2026
Rate Limiting and Throttling a NestJS API With Redis
Per-route limits, Redis-backed storage for multi-instance deployments, and the difference between throttling and abuse blocking.
By Toshstack Admin — Jul 14, 2026
TypeScript Generics for APIs That Stay Type-Safe End to End
Generic repositories, DTOs, and response wrappers that let TypeScript catch a mismatched field before it reaches production.
By Toshstack Admin — Jul 01, 2026
PostgreSQL Indexing Strategies Beyond the Default B-Tree
When a plain B-tree index is not enough: partial, composite, and trigram indexes, and how to read EXPLAIN ANALYZE to prove it.
By Toshstack Admin — Jun 19, 2026
Designing Idempotent Payment Webhooks That Never Double-Charge
Signature verification, idempotency keys, and safe retries for payment gateway webhooks in a NestJS checkout flow.
By Toshstack Admin — Jun 06, 2026
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