KeyError: <weakref at 0x7fc9e8267ad0; to 'Flask' at 0x7fc9e9ec5750> Question: I’ve been having a hard time handling sessions in flask. Since when I manage the application in the local environment everything works perfectly, including flask sessions. But when i already host it in Render i always get this error in every route. [55] [ERROR] Error handling …
What is __weakrefoffset__? Question: What is the __weakrefoffset__ attribute for? What does the integer value signify? >>> int.__weakrefoffset__ 0 >>> class A: … pass … >>> A.__weakrefoffset__ 24 >>> type.__weakrefoffset__ 368 >>> class B: … __slots__ = () … >>> B.__weakrefoffset__ 0 All types seem to have this attribute. But there’s no mention about that …
When to use weak references in Python? Question: Can anyone explain usage of weak references? The documentation doesn’t explain it precisely, it just says that the GC can destroy the object linked to via a weak reference at any time. Then what’s the point of having an object that can disappear at any time? What …
