Author: Pictalingo
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FastAPI Auth You Can Reuse: JWT Login, Dependency-Based Permissions, and “Good Errors” (Hands-On)
FastAPI makes it easy to ship APIs fast—but authentication and authorization can get messy if you sprinkle token parsing, user lookup, and permission checks…
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API Testing with Pytest + httpx: A Practical Pattern for Reliable Integration Tests
If you’ve ever shipped an API and then broken it with a “small” change, you already know why integration testing matters. Unit tests are…
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MySQL Optimization for Busy Web Apps: EXPLAIN, Indexes, and Query Patterns You Can Apply Today
Examples use MySQL 8.x and InnoDB.
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Cloudflare CDN in Practice: Cache Smarter, Ship Faster (Hands-On)
If you’ve put Cloudflare in front of a web app and assumed “CDN = magically fast,” you’ve probably also seen confusing behavior: HTML that…
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FastAPI CRUD You Can Actually Ship: Async SQLAlchemy, Migrations, Pagination, and Tests
We’ll build a tiny “notes” service:
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Docker Best Practices for Web Apps: Faster Builds, Smaller Images, Safer Containers (Hands-On)
Docker can make local dev and deployments repeatable—but only if your images are fast to build, small to ship, and safe to run. This…
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Laravel JSON API the “Production-ish” Way: Form Requests, API Resources, Policies, and Feature Tests
If you’ve built a quick Laravel API before, you’ve probably done some combination of “validate inside the controller”, “return the Eloquent model directly”, and
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Building Reusable Angular Components: Standalone + Inputs/Outputs + Content Projection (Hands-On)
When you make a component, think like a library author. Your component should:
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Selenium Automation That Doesn’t Flake: A Hands-On Starter Kit (Python + Pytest)
You’ll need Python 3.10+ (older may still work) and a browser driver. Selenium 4+ can often manage drivers automatically, but teams frequently pin versions…
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Python Web Scraping in 2026: A Practical, Repeatable Pattern (Requests + BeautifulSoup + Retries + Storage)
Web scraping sounds easy until you hit real-world problems: flaky connections, inconsistent HTML, rate limits, pagination, and “works on my machine” scripts tha