Development Archives - ITFROMZERO

LiteLLM Python Guide: Standardize 100+ AI Models Through a Single Interface

By IT From Zero October 12, 2026

Compare LLM integration strategies and learn how to use LiteLLM in Python to connect OpenAI, Claude, and Gemini via a unified interface, complete with fallback handling and real-time cost tracking.

Development

A Guide to State Management in React with Zustand: Lightweight and Boilerplate-Free

By IT From Zero October 11, 2026

Overcoming Redux boilerplate with Zustand: a step-by-step guide covering clean hook syntax, selective re-rendering, async actions, and localStorage persistence.

Python

Optimizing PostgreSQL Performance in Python with asyncpg: Resolving I/O Bottlenecks and Ingesting 100k Records/s

By IT From Zero October 9, 2026

Real-world lessons from a production I/O bottleneck: A complete guide to migrating to asyncpg, configuring connection pools properly, and bulk-ingesting 100k records in 0.8s via PostgreSQL binary protocol.

Python

Using Python’s websockets Library: Building Bidirectional Real-Time Applications

By IT From Zero October 7, 2026

A comprehensive guide to Python's websockets library from basics to advanced. Build a broadcast server, handle reconnects with exponential backoff, and configure Nginx for production.

Python

DuckDB with Python Guide: Query Multi-Gigabyte CSV/Parquet Files at Lightning Speed Without OOM Errors

By IT From Zero October 7, 2026

Need to process multi-gigabyte CSV or Parquet files on low-spec hardware? Learn how to use DuckDB in Python for blazing-fast analytics without memory crashes.

Development

Integrating Meilisearch into Node.js: Sub-50ms Full-Text Search and Typo-Tolerance as an Elasticsearch Alternative

By IT From Zero October 6, 2026

A step-by-step guide to integrating Meilisearch into Node.js applications to build sub-50ms full-text search with typo-tolerance and minimal RAM consumption compared to Elasticsearch.

Python

Load Testing Systems with Locust in Python: Real-World Scenarios and API Metric Analysis

By IT From Zero October 6, 2026

A comprehensive guide on writing API load testing scripts with Locust in Python. Explore comparisons between JMeter, k6, and Locust, and learn how to interpret RPS and 95th percentile latency metrics.

Development

A Complete Guide to Integrating Sentry into Next.js: Catching Runtime Errors and Monitoring Performance from A to Z

By IT From Zero October 4, 2026

Learn how to set up Sentry for full-stack Next.js apps: from a 5-minute wizard setup, capturing Server Action/API errors, and measuring database latency to smart Slack alerts.

Development

Building an Asynchronous REST API with FastAPI and Async SQLAlchemy 2.0: Connection Pool Optimization & Alembic Migrations

By IT From Zero October 4, 2026

A practical guide to building asynchronous REST APIs with FastAPI and Async SQLAlchemy 2.0. Learn connection pool optimization, Alembic migrations, and high-concurrency production practices.

Python

A Guide to Using Alembic in Python: Database Migration Management for SQLAlchemy

By IT From Zero October 2, 2026

Managing database schema changes is critical as Python projects scale. Here is a comprehensive guide to setting up Alembic with SQLAlchemy to automate migrations, sync via Git, and perform safe rollbacks.