Logeshwaran, Author at CheatCoders

Node.js

Structured Clone vs JSON: Faster Worker Message Passing in Node

This senior-level guide covers Structured Clone vs JSON with production trade-offs for reliability, security, and cost.

Python

Python PyO3 Extensions: Port Hot Paths Without Full Rewrite Risk

This senior-level guide covers Python PyO3 Extensions with production trade-offs for reliability, security, and cost.

Node.js

Node DNS Caching: Stop Micro-Outages From Brief Resolver Blips

This senior-level guide covers Node DNS Caching with production trade-offs for reliability, security, and cost.

Python

uvloop With asyncio: When the Drop-In Speedup Stops Helping

This senior-level guide covers uvloop With asyncio with production trade-offs for reliability, security, and cost.

Node.js

N-API Addons for Node: Move Hot Loops Off the Event Loop

This senior-level guide covers N-API Addons for Node with production trade-offs for reliability, security, and cost.

Python

Python Free-Threading: What Breaks When the GIL Becomes Optional

This senior-level guide covers Python Free-Threading with production trade-offs for reliability, security, and cost.

Debugging Node.js

Node Heap Snapshots in Production: Safe Capture Under Incident Load

This senior-level guide covers Node Heap Snapshots in Production with production trade-offs for reliability, security, and cost.

Bedrock Multi-Region Failover: Survive Model Outages Without Broken UX

AI AWS

Bedrock Multi-Region Failover: Keep Coding Assistants Working When a Region or Model Struggles

Amazon Bedrock multi-Region failover: cross-Region inference profiles, which errors to retry or fail over, guardrail parity, circuit breakers, RAG index strategy and degraded UX.

PII Redaction Before Embeddings: Scrub Wikis Prior to Vector Indexes

AI AWS

PII Redaction Before Embeddings: Scrub Wikis Before They Reach Your Vector Index

PII redaction before embeddings on AWS: Amazon Comprehend DetectPiiEntities, keyed HMAC placeholders, secret quarantine, separate PII map, policy-versioned re-embedding and Bedrock Titan embeddings.

Tool-Augmented RAG: Agents Fetch Exact File Ranges Before Answering

This senior-level guide covers Tool-Augmented RAG with production trade-offs for reliability, security, and cost.