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How-to

Short answers to one job at a time.

How-to9 min read

Using Playwright with a Cloud Browser

Connect Playwright to a managed browser over WebSocket. Learn when to use CDP or the native protocol, configure sessions, and troubleshoot remote runs.

How-to9 min read

How to Scrape Stock Data From Barchart

Learn the compliant ways to get Barchart stock data: manual downloads, licensed APIs, authorized chart exports, validation, and automation limits.

How-to10 min read

How to Capture Content Inside an iframe

Capture iframe content as DOM, structured data, or pixels. Choose the right method for same-origin and cross-origin frames, with secure runnable examples.

How-to11 min read

Web Scraping with Beautiful Soup and Requests

Use Requests to fetch HTML and Beautiful Soup to parse it. Learn reliable extraction, parser choices, troubleshooting, and when a browser-based screenshot is the better tool.

How-to10 min read

How to Receive Webhook Events in C#

Build a reliable ASP.NET Core webhook receiver in C#: validate signatures, deduplicate retries, enforce limits, and acknowledge only after durable acceptance.