Category
prompt-engineering
3 articles in this category
Mastering Prompt Templates: System, User, and Assistant Roles with LangChain
TLDR: A production prompt is not a string ā it is a structured message list with system, user, and optional assistant roles. LangChain's ChatPromptTemplate turns this structure into a reusable, testable, injection-safe blueprint. š The API Contrac...
Prompt Engineering Guide: From Zero-Shot to Chain-of-Thought
TLDR: Prompt Engineering is the art of writing instructions that guide an LLM toward the answer you want. Zero-Shot, Few-Shot, and Chain-of-Thought are systematic techniques ā not guesswork ā that can dramatically improve accuracy without changing a ...

Mastering Prompt Templates: System, User, and Assistant Roles with LangChain
TLDR: Prompt templates are the contract between your application and the LLM. Role-based messages (System / User / Assistant) provide structure. LangChain's ChatPromptTemplate and MessagesPlaceholder turn ad-hoc strings into versioned, testable pipel...
