Development – Page 3 – ITFROMZERO

BDD with Python & Behave Tutorial: Making Code and Business “Speak the Same Language”

By admin July 31, 2026

Learn how to implement BDD testing with Python and the Behave library. This guide covers everything from writing standard Gherkin to practical automation test optimization tips for developers.

Development

Building Multi-Model AI Streaming Chat with Vercel AI SDK and Next.js

By admin July 30, 2026

A detailed guide on building a multi-model AI streaming chat application (OpenAI, Claude, Gemini) using Vercel AI SDK and Next.js. The optimal solution for modern developers.

Python

Pushing Python to the Limit with Rust and PyO3: From 15 Minutes to 10 Seconds

By admin July 29, 2026

Explore how to use PyO3 to speed up Python applications with Rust. A detailed guide from installation to real-world performance optimization for heavy data tasks.

Python

Build Your Own Website Watcher with Python: Track Price Changes and News via Telegram

By admin July 27, 2026

Learn how to build a custom website monitoring tool with Python and Playwright. Get instant Telegram notifications for price or content changes, for free and fully automated.

Python

Mastering Google Sheets with Python & gspread: A Practical Guide from A-Z

By admin July 27, 2026

A detailed guide on connecting Python to Google Sheets using the gspread library. Covers everything from Service Account setup to performance and security tips for real-world projects.

Python

Using itertools to Conquer Big Data: Don’t Let MemoryError Get in Your Way

By admin July 26, 2026

Don't let MemoryError stop you. Discover how to use itertools to process millions of records efficiently, optimize RAM, and speed up your Python scripts.

Development

Contract Testing with Pact: An API ‘Break-Proof’ Solution for Node.js Microservices

By admin July 26, 2026

Contract Testing eliminates the fear of API breaking changes in Node.js Microservices. Learn how to use Pact to replace bulky integration tests and accelerate releases.

Python

Mastering Python functools: Writing Better, Faster Code

By admin July 25, 2026

Stop letting your Python code lag due to redundant calculations. Discover how to use lru_cache, singledispatch, and partial in the functools library to optimize performance and clean up your code today.

Development

Goodbye Cron Jobs: Building Durable Workflows with Temporal.io in Node.js

By admin July 24, 2026

Forget the fear of Cron Job failures. A detailed guide on using Temporal.io in Node.js to build durable systems that automatically recover from incidents based on real-world experience.

Development

Goodbye Passwords: Implementing Passkeys (WebAuthn) with Node.js and SimpleWebAuthn

By admin July 24, 2026

Learn how to implement Passkeys (WebAuthn) with Node.js to replace traditional passwords. This detailed guide helps enhance security and improve user experience.