Author: Pictalingo
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Docker Best Practices in Practice: Small Images, Safer Containers, and Faster Builds (Hands-On)
The examples use a simple Node.js API (Express), but the techniques translate to most stacks.
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FastAPI in Practice: Build a Clean CRUD API with Async SQLAlchemy, Pydantic Models, and Dependency Injection
The end result is a structure you can reuse for most REST backends.
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MySQL Optimization in Practice: Faster Queries with EXPLAIN, Better Indexes, and Safer Pagination (Hands-On)
When an app starts to feel “randomly slow,” MySQL is often the bottleneck: a few unindexed filters, a heavy sort, or pagination that scans…
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Cloudflare CDN in Practice: Cache Like a Pro with Correct Headers, Cache Rules, and a Tiny Worker
This hands-on guide walks you through a practical setup that works for most web apps: cache static assets aggressively, cache selected pages safely, keep…
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Selenium Automation in Practice: Build Reliable UI Smoke Tests with Page Objects + Explicit Waits
UI tests have a reputation: slow, flaky, and painful to maintain. The good news is that most flakiness comes from a few avoidable mistakes—like…
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API Testing in Practice: Contract-First Tests with Schemathesis + Pytest (Hands-On)
Create (or use) a Python virtual environment, then install:
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Angular Components in Practice: Build a Reusable “Smart Table” with Sorting, Filtering, and Pagination
Angular apps often end up with the same UI problem repeated across screens: lists of things. Users want to search, sort by columns, and…
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Laravel PHP in Practice: Build a Clean JSON API with Form Requests, API Resources, and Policies
Laravel makes it easy to ship an API fast—but “easy” can turn into messy controllers, inconsistent JSON, and security gaps. In this hands-on guide,…
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Python Web Scraping in Practice: A Resilient Scraper with Requests, BeautifulSoup, Retries, and Caching
Web scraping is easy when the site is stable and your internet never hiccups. Real life is messier: timeouts happen, HTML changes, rate limits…