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AMAlfredo Moralejapythoncatchup.hashnode.devAug 20 · 3 min read

How to return to Python without repeating a beginner course

Coming back to Python after working in another language—or after a long break—creates an awkward problem: beginner tutorials move too slowly, while advanced references assume your Python instincts are

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KKoladekoladefaj.hashnode.devJun 22 · 11 min read

Running Async Python Inside Celery Is Harder Than You Think

The problem is straightforward to state and surprisingly hard to solve correctly. Celery workers are synchronous. Celery spawns prefork worker processes, and when a task arrives, it calls your task fu

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AAAbstract Algorithmsabstractalgorithms.hashnode.devApr 19 · 26 min read

Async Python: asyncio, Coroutines, and Event Loops Without the Confusion

TLDR: Async Python is not about true parallel multi-core execution (which is blocked by the GIL), but about cooperative multitasking. By yielding control at every I/O await boundary, a single thread c

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ATAlex Towellqueelius.hashnode.devApr 10 · 6 min read

Posthumous: A Federated Dead Man's Switch

Some things should only happen after you can't do them yourself. Posthumous is a self-hosted dead man's switch. You check in periodically (via phone, browser, CLI, or API call) and if you stop, it progresses through escalating stages before triggerin...

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VSVhub Systemsvhubhashnodedev.hashnode.devApr 3 · 6 min read

Async Web Scraping in Python: httpx + asyncio for 10x Faster Data Collection

Async Web Scraping in Python: httpx + asyncio for 10x Faster Data Collection Synchronous scraping makes requests one at a time. While you wait for one response, you're doing nothing. Async scraping makes 10-50 requests simultaneously — same time, 10-...

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GGingirisgingiris.hashnode.devMar 14 · 4 min read

Understanding Async Programming in Python: asyncio Explained

Unlock the power of Python asyncio to write efficient, non-blocking code. This asyncio tutorial covers async programming Python developers need to get started today. Asynchronous programming has become a critical skill for Python developers aiming t...

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JBJun Baesjun.hashnode.devFeb 8 · 13 min read

Coroutine series 3) Coroutines for LLM inference

This is the third post in the series Coroutine, IO bound and Asyncio for AI. Click the image for the series index Introduction In this post, I will briefly introduce how to utilize coroutines for LLMs. Using asyncio for LLM inference is straightfor...

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JBJun Baesjun.hashnode.devJan 31 · 14 min read

Coroutine series 2) Useful Asyncio Functions

This is the second post in the series Coroutine, IO bound and Asyncio for AI. Click the image for the series index Introduction I explained coroutines and asyncio in the previous post: https://sjun.hashnode.dev/1-what-are-coroutine-asyncio-io-bound...

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AKAyush Kaushiklogiclooptech.devJan 27 · 4 min read

FastAPI Lifespan vs Startup Events: The Mistake That Breaks Async Apps

Introduction Async bugs in FastAPI rarely fail loudly. They pass tests.They work locally.And then they quietly break under load. A large number of issues developers blame on FastAPI or SQLAlchemy leaked connections, hanging requests, random MissingGr...

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JBJun Baesjun.hashnode.devJan 21 · 9 min read

Coroutine series 1) What are Coroutine, Asyncio, I/O bound?

Introduction In many cases, we have to run several jobs concurrently. Most developers are likely familiar with multi-threading or multi-processing, both of which Python supports through ThreadPoolExecutor and ProcessPoolExecutor. However, there is an...

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#asyncio

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Trending tags this week

How to return to Python without repeating a beginner course

Running Async Python Inside Celery Is Harder Than You Think

Async Python: asyncio, Coroutines, and Event Loops Without the Confusion

Posthumous: A Federated Dead Man's Switch

Async Web Scraping in Python: httpx + asyncio for 10x Faster Data Collection

Understanding Async Programming in Python: asyncio Explained

Coroutine series 3) Coroutines for LLM inference

Coroutine series 2) Useful Asyncio Functions

FastAPI Lifespan vs Startup Events: The Mistake That Breaks Async Apps

Coroutine series 1) What are Coroutine, Asyncio, I/O bound?