DEV Community

TypeScript

Optional static type-checking for JavaScript.

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Every hackathon leaderboard is more confident than its judges. Mine admits it.

Every hackathon leaderboard is more confident than its judges. Mine admits it.

1
Comments
14 min read
RAG Hallucination: 6 Ask-Your-Docs Invoice Traces Explaining Wrong Chatbot Answers in 2026

RAG Hallucination: 6 Ask-Your-Docs Invoice Traces Explaining Wrong Chatbot Answers in 2026

Comments
6 min read
Our filter state lives in the URL, the serialized filters are also the paging key, and nulls sort last in both directions

Our filter state lives in the URL, the serialized filters are also the paging key, and nulls sort last in both directions

2
Comments
5 min read
Implementing nearest-neighbor primer Tm (SantaLucia 1998) in TypeScript, plus Mg2+ correction

Implementing nearest-neighbor primer Tm (SantaLucia 1998) in TypeScript, plus Mg2+ correction

Comments
6 min read
Rankings with receipts: what building a hackathon judging platform taught us

Rankings with receipts: what building a hackathon judging platform taught us

Comments
13 min read
Low-Cost AI Chatbot Backend: How Startup SaaS Compares 2 Token Budgets

Low-Cost AI Chatbot Backend: How Startup SaaS Compares 2 Token Budgets

Comments
7 min read
Swedish will-witness rules in TypeScript: 4 bugs a form engine must prevent

Swedish will-witness rules in TypeScript: 4 bugs a form engine must prevent

Comments
11 min read
Live data in React Native without polling: SSE, background handling and an honest status bar

Live data in React Native without polling: SSE, background handling and an honest status bar

Comments
7 min read
Test Doubles: Dummy, Stub, Spy, Mock and Fake

Test Doubles: Dummy, Stub, Spy, Mock and Fake

Comments
4 min read
Your useEffect Search Bar Has a Race Condition, and It Only Shows Up When Users Type Fast

Your useEffect Search Bar Has a Race Condition, and It Only Shows Up When Users Type Fast

Comments
4 min read
REA: Multi-Tool Reverse Engineering Through MCP Orchestration

REA: Multi-Tool Reverse Engineering Through MCP Orchestration

1
Comments
7 min read
Three Judges Scored the Same Project Twice. They Disagreed With Themselves by 1.11 Points.

Three Judges Scored the Same Project Twice. They Disagreed With Themselves by 1.11 Points.

Comments 1
13 min read
Cache-Aside VIN Decodes So Misses Hit NHTSA Once and Hits Stay Honest About Age

Cache-Aside VIN Decodes So Misses Hit NHTSA Once and Hits Stay Honest About Age

Comments
4 min read
Preventing VIN Decode Cache Stampedes When Soft TTL Expires Across Many Tabs

Preventing VIN Decode Cache Stampedes When Soft TTL Expires Across Many Tabs

Comments
4 min read
Singleflight VIN Decode Lookups So Concurrent Identical VINs Share One In-Flight Promise

Singleflight VIN Decode Lookups So Concurrent Identical VINs Share One In-Flight Promise

Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.