📰 Dev.to · 郑沛沛
Articles from Dev.to · 郑沛沛 · 15 articles · Updated every 3 hours · View all reads
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Dev.to · 郑沛沛
1mo ago
Git Commands That Will Make You Look Like a Senior Developer
Most developers know add, commit, push. Here are the Git commands and workflows that separate juniors...
Dev.to · 郑沛沛
1mo ago
PostgreSQL JSONB: When to Use It and How to Query It Like a Pro
PostgreSQL's JSONB gives you the flexibility of a document database with the reliability of SQL....
Dev.to · 郑沛沛
1mo ago
Redis Beyond Caching: 7 Powerful Patterns You Should Know
Redis is more than a cache. It's a Swiss Army knife for distributed systems. Here are 7 patterns that...
Dev.to · 郑沛沛
1mo ago
Database Indexing Explained: How to Make Your Queries 1000x Faster
Slow queries are the #1 performance killer. Understanding indexes is the fastest way to fix them....
Dev.to · 郑沛沛
1mo ago
GraphQL with Python: Build Flexible APIs Using Strawberry
REST is great, but sometimes clients need more flexibility. GraphQL lets clients request exactly the...
Dev.to · 郑沛沛
1mo ago
Real-Time Apps with WebSockets in Python: Chat, Notifications, and Live Data
WebSockets enable real-time, bidirectional communication. Here's how to build real-time features that...
Dev.to · 郑沛沛
1mo ago
FastAPI Beyond the Basics: Patterns for Production-Ready APIs
FastAPI is great for quick prototypes, but production apps need more structure. Here are patterns...
Dev.to · 郑沛沛
1mo ago
Docker for Developers: From Dockerfile to Production-Ready Images
Docker isn't just for DevOps teams. Every developer should know how to build efficient, secure...
Dev.to · 郑沛沛
1mo ago
Caching Strategies That Will Make Your App 100x Faster
Caching is the single most impactful optimization you can make. Here's a practical guide to caching...
Dev.to · 郑沛沛
1mo ago
Data Processing in Python: Pandas Tricks That Will Save You Hours
Pandas is the Swiss Army knife of data processing. Here are patterns and tricks that separate...
Dev.to · 郑沛沛
1mo ago
Build Beautiful CLI Tools in Python with Typer and Rich
Command-line tools are a developer's bread and butter. Python's typer and rich libraries make...
Dev.to · 郑沛沛
1mo ago
Pytest Like a Pro: Fixtures, Mocks, and Patterns That Actually Work
Writing tests shouldn't feel like a chore. With the right pytest patterns, tests become fast to write...
Dev.to · 郑沛沛
1mo ago
Stop Writing Python Without Type Hints — Here's How to Start
Type hints make Python code self-documenting, catch bugs before runtime, and supercharge your IDE....
Dev.to · 郑沛沛
1mo ago
Async Python Made Simple: A Practical Guide to asyncio
If you've been avoiding async/await in Python because it seems confusing, this guide will change...
Dev.to · 郑沛沛
1mo ago
Python Decorators Demystified: From @ Syntax to Real-World Patterns
Decorators are one of Python's most powerful features, yet many developers only scratch the surface....
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