Author: Pictalingo
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FastAPI in Practice: Build a Clean CRUD API with Validation, Dependencies, and SQLModel
If you’ve built a few APIs, you’ve probably felt the pain of “it works, but it’s messy”: request validation scattered around, database code inside…
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MySQL Optimization in Practice: Make a “Slow List Page” Fast with EXPLAIN, Indexes, and Better Pagination
Most MySQL performance problems in web apps show up the same way: a list page that was fine in dev becomes painfully slow in…
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Cloudflare CDN Caching You Can Actually Control: Rules + Headers + a Worker (Hands-On)
Cloudflare can make a site feel “instant”… or quietly serve stale HTML, cache private pages, or ignore the caching strategy you thought you configured.…
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Selenium Automation in Practice: Reliable UI Tests with Python, Explicit Waits, and Page Objects
UI automation is often where “it works on my machine” goes to die: flaky timing, brittle selectors, and tests that pass locally but fail…
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Practical API Testing: Catch Breaking Changes with pytest + HTTPX + JSON Schema
For junior/mid devs, a practical rule of thumb:
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Practical Angular Components: Build a Reusable “Smart + Dumb” Feature with Standalone Components, Signals, and OnPush
You’ll also use two modern Angular patterns that make components faster and easier to reason about:
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Laravel Queues in Practice: Background Jobs, Retries, and “It Won’t Double-Send” Safety
Queues are one of the simplest upgrades you can make to a Laravel app: they move slow work (emails, PDF generation, webhooks, image processing)…
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Python Web Scraping with Requests + BeautifulSoup: Pagination, Robust Selectors, and Export to CSV
Web scraping is a practical skill when you need data that isn’t available via an API: product listings, blog archives, documentation tables, job posts,…
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CI/CD Pipelines with GitHub Actions: From “Push” to Deploy (with Tests, Caching, and Safe Releases)
A CI/CD pipeline turns a code push into a repeatable process: install dependencies, run checks, build artifacts, and (optionally) deploy. For junior/mid develop
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FastAPI Webhooks in the Real World: Signature Verification, Idempotency, and Safe Async Processing
Webhooks look simple: a vendor sends an HTTP POST to your endpoint and you “do the thing.” In production, it gets messy fast: retries…