InLevel Up CodingbyCoded Parts·Jun 19Modeling a Multi-Step Flow Without a Pile of Boolean FlagsCreating maintainable state machines using JavaScript generators
InLevel Up CodingbyCoded Parts·Jun 15Reading a Paginated API Without Holding the Whole Thing in MemoryYour API hands out 50 records at a time across 400 pages. You need all of them. You do not need them all at once.
InLevel Up CodingbyCoded Parts·Jun 8async/await is a Generator in Disguise. Let’s Build It From ScratchLet’s learn to build async/await mechanism using generators
InLevel Up CodingbyCoded Parts·Jun 1Processing a 2GB CSV in Node Without Running Out of MemoryWhy the obvious approach crashes, and how a few generator functions keep memory flat no matter how big the file gets.
InLevel Up CodingbyCoded Parts·Apr 20AI-Approved Waste: What a Second Pass on an AI-Built Extension Actually CaughtA case study of broken code, wider-than-needed permissions, and 15 KB of dead weight that survived an AI agent’s first pass.A response icon2A response icon2
InLevel Up CodingbyCoded Parts·Apr 13How MongoDB’s CSOT Kills KMS Requests in AWS LambdaA debugging story that starts with “the network is fine” and ends deep inside the MongoDB driver’s timeout propagation.A response icon6A response icon6
InLevel Up CodingbyCoded Parts·Apr 1How to Secure PII with CSFLE, DocumentDB, and AWS KMSA beginner-friendly guide to encrypting sensitive fields before they ever hit your database.
InInfoSec Write-upsbyCoded Parts·Feb 13Securing LLM Applications: Using LLM-as-a-Judge to Block Prompt Injection AttacksLearn how the LLM-as-a-Judge pattern defends against prompt injection attacks with a validator model that checks user intent before…
InLevel Up CodingbyCoded Parts·Jul 28, 2025Understanding String Iteration in Go: Bytes vs RunesGo: Byte Vs Rune
InLevel Up CodingbyCoded Parts·May 2, 2025What are events in Node.js?A practical introduction to node:events