#devops
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Event Loop in Python: How asyncio Enables Concurrent Execution
Event loop is the heart of asyncio. It doesn't run code in parallel across multiple threads. Instead, it switches between...
run_in_executor and anyio: Sync Libraries in Async Code
Sometimes you need to call a synchronous library from async code without blocking the event loop.
Async Context Managers: async with and @asynccontextmanager
Async context managers manage resources in async code β connections, files, transactions.
asyncio: Timeouts, Task Cancellation and Graceful Shutdown
Three things you absolutely need in production async code.
asyncio: Queue, Lock, Semaphore β Synchronization Without Threads
In async code multiple coroutines run concurrently in a single thread. Race conditions can still happen β and asyncio provides...
Async Generators and Async Iterators in Python
Async generators are a way to lazily produce data in an async context. Perfect for streaming, pagination and processing large...
asyncio.gather, create_task and TaskGroup: Concurrency in Practice
Three ways to run multiple coroutines concurrently. Each has its own niche.
asyncio in Python: Asynchronous Programming
asyncio is Python's standard library for asynchronous code. It lets you execute multiple tasks "simultaneously" within a single thread.
Deployment and ReplicaSet in Kubernetes
A Pod is a one-shot unit. A Deployment is the mechanism that guarantees the right number of pods is always...
Deploying FastAPI with Docker
This guide runs the FastAPI application and PostgreSQL in separate containers and passes sensitive configuration through environment variables.
Deploying Django to Railway
Railway is a cloud platform with a free tier. Deploy from GitHub in minutes.
DRY: Don't Repeat Yourself π
Imagine you're writing code to hack 10 systems. You copy the hacksystem() function 10 times. Then you find a bug...
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