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Notizen zu Backend-Engineering, Fintech und Software, die funktioniert.
Idempotency Keys — The Unsung Hero of Every Payment System
In fintech, retry logic without idempotency isn't safety — it's a liability. Here's the Postgres schema, the Django code, and the race condition that breaks the naive version.
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Managing API Rate Limiting with Django REST Framework's Throttling Classes
DRF's throttling classes are three lines of settings away from working — and one cache backend away from being useless. Here's what the built-ins actually do, where they break, and how to fix them.
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PostgreSQL vs SQL Server: Choosing the Right Database for Your Business
Two powerhouses consistently rise to the top. Understanding their core differences can guide your technology decisions.
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Enhancing Django Applications with PostgreSQL: A Strategic Database Integration
PostgreSQL emerges as a premier database solution for Django projects, offering sophisticated features that elevate application performance.
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Using Tweepy to Post Updates on X (formerly Twitter) via Python
A quick guide to posting on X programmatically with Tweepy, a well-documented Python library that supports X API v2.
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Simplifying Laravel Filtering with the Purity Package
Keep your code clean and maintainable while adding powerful filtering and sorting capabilities to Laravel applications.
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Django API Views: Class-Based Views (CBV) vs Function-Based Views (FBV)
Both CBVs and FBVs have their merits — the choice depends on your project. A breakdown of their unique characteristics and advantages.
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Exploring the Pros and Cons of Simple JWT (JSON Web Tokens)
If you're working with authentication and authorization, you've likely encountered JWTs. Here's an honest breakdown of their strengths and weaknesses.
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