11.06.2021 · 描述：AttributeError: 'NoneType' object has no attribute 'twophase'我写项目的时候，使用了sqlalchemy和flask，当时知道有flask_sqlalchemy，但是不以为意仍然用了sqlalchemy，没想到出现了错误原因：sqlalchemy和flask共同使用的时候，是线程不安全的,在接收到并发请求的时候，就可能会出现错误解决办法：使用线程隔离的 ...
When exporting my model I get an error that 'NoneType' object has no attribute 'keys' unsure where the script is looking for 'keys'. I am on Blender 2.92.0. Let me ...
Short description When closing a Dock (programatically, not using the "close" button), throws the error as described in the title. Expected behavior Dock ...
20.03.2019 · Since wtm has shape of [None, 4,4,1](you can try to print the shape), wtm[1,1] will select one element from first dimension and then the first element from selected element. If you want to get [1,1] shape array what you could do is index the first three dimensions.
The 1.4->2.0 Migration Path¶. The most prominent architectural features and API changes that are considered to be “SQLAlchemy 2.0” were in fact released as fully available within the 1.4 series, to provide for a clean upgrade path from the 1.x to the 2.x series as well as to serve as a beta platform for the features themselves.
20.01.2021 · I was getting an AttributeError: 'NoneType' object has no attribute 'twophase' when I tried to run a uvicorn server which would spawn concurrent sessions with concurrent UOWs. The reason this was happening is because the same session was being shared across the threads... so transactions were being nested and when one UOW closed the transaction …
23.07.2021 · В ходе выполнения этой функции иногда получаю ошибку: 'NoneType' object has no attribute 'twophase в sqlalchemy. Очень мало информации в интернете, подскажите, куда копать? БД - PostgreSQL 13.3 Дра...
24.07.2021 · Cookie Duration Description; cookielawinfo-checkbox-analytics: 11 months: This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".