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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...
pytest-django: Testing Django
Covered topics: Installation, @pytest.mark.djangodb, Fixtures, Testing views.
pip: Python Package Manager
Covered topics: Installing packages, Upgrading and removing, requirements.txt, Virtual environment.
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...
Async Context Managers: async with and @asynccontextmanager
Async context managers manage resources in async code β connections, files, transactions.
pathlib: Working with Paths in Python
pathlib is the modern way to work with filesystem paths instead of plain strings.
Installing Python
Choose the instructions for your operating system, install a currently supported Python 3 release, and...
What is an ORM
ORM (Object-Relational Mapping) is a technology that lets you work with a database through Python...
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...
Password Hashing with Argon2 and pwdlib
If a database is leaked, strong password hashing prevents immediate recovery of plaintext passwords and...
Async Generators and Async Iterators in Python
Async generators are a way to lazily produce data in an async context. Perfect for...
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