#basics
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S3-compatible object storage: buckets, keys, and URLs
A regular folder works on one computer. After deployment it is unreliable: a container can be replaced, and several application...
What is an ORM
ORM (Object-Relational Mapping) is a technology that lets you work with a database through Python objects instead of writing raw...
AI Agents: ReAct Loop and Autonomous Actions
A chatbot answers questions. An agent takes action: it calls tools, retrieves real data, and uses that data in its...
Pydantic v2: Data Validation in Python
Pydantic validates and converts data through type annotations. It is commonly used in APIs and LLM applications when an external...
asyncio in Python: Asynchronous Programming
asyncio is Python's standard library for asynchronous code. It lets you execute multiple tasks "simultaneously" within a single thread.
Embeddings: Coordinates of Text in Semantic Space
An embedding is a numerical vector that represents a piece of text. Texts that are similar in meaning get vectors...
JSON Schema: Describing Data Structures
JSON Schema is a standard for describing the structure of JSON. In the Claude API it is used to define...
What Is Kubernetes and Why You Need It
Docker packages an application into a container. But what do you do when you have hundreds of containers, they keep...
Helm: The Kubernetes Package Manager
Deploying an application on K8s means writing 5β10 YAML files: Deployment, Service, Ingress, ConfigMap, Secret, HPAβ¦ and slightly different files...
Bootstrap 5 Basics
Bootstrap is the world's most popular CSS framework. It provides ready-made components and a utility class system that lets you...
What is HTML
HTML is a markup language that tells the browser how to interpret a page's structure. It doesn't program logic β...
Basic HTML Tags
Tags are the building blocks of every HTML page. Knowing the core tag set lets you mark up most content:...
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