Django, React, Flutter, Python scripting and more
28 articles
You fire off a mutation, the server confirms success, but the UI still shows the old data. This is one of the most common React Query gotchas — and fixing it takes less than ten lines of code once you know where to look.
Celery tasks that swallow exceptions and never retry are one of the hardest bugs to catch in production. Learn exactly how to configure retries, surface errors, and make your task queue reliable.
Processing a 2 GB CSV file shouldn't crash your server or eat all available RAM. If your Python script's memory usage keeps climbing as it reads rows, you have a memory leak — here's exactly how to find and fix it.
Async bugs in Flutter are sneaky — your UI freezes, shows stale data, or throws setState errors you can't reproduce reliably. This guide walks through the most common Dart async/await mistakes and exactly how to fix them.
Stale closures are one of the sneakiest bugs in React. Your callback runs, the logic looks right, but it reads old state or props every single time. Here's how to diagnose and fix it for good.
N+1 queries silently kill Django API performance. Learn how to spot them in DRF serializers and fix them with select_related, prefetch_related, and SerializerMethodField optimizations before they hit production.
Every time your Context value changes, every consumer re-renders — even ones that don't care about what changed. Here's how splitting providers eliminates that wasted work and keeps your React app responsive.
Calling setState in the wrong place can trigger full subtree rebuilds that tank your app's frame rate. Here's how to find the culprit, limit rebuild scope, and pick the right state tool for the job.
An infinite loop in useEffect can freeze your browser tab and leave you staring at a blank screen. Learn the exact patterns that cause them and the precise fixes to stop them cold.
Django's ManyToMany through models promise full control over junction tables — but one wrong move and your extra fields vanish without an error. Here's exactly how to avoid silent data loss and keep your relationships intact.
Pagination is a critical feature for web applications that handle large datasets, ensuring that content is displayed in manageable chunks for users. In Django, the default Paginator class provides a simple and effective way to paginate querysets. However, when working with large datasets
Introduction: Carving Your Path to Becoming a Junior Flutter Developer In the ever-evolving world of app development, Flutter has emerged as a game-changer, empowering developers to craft visually stunning, high-performance apps for multiple platforms with a single codebase.