Python

Are strings cached?

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>>> a = "zzzzqqqqasdfasdf1234" >>> b = "zzzzqqqqasdfasdf1234" >>> id(a) 4402117560 >>> id(b) 4402117560 but >>> c = "<a href="https://getridbug.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="113051">[email protected]</a>#$" >>> d = "<a href="https://getridbug.com/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="644524">[email protected]</a>#$" >>> id(c) == id(d) False >>> id(a) == id(b) True Why get same id() result only when assign string? Edited: I replace “ascii string” with just … Read more

Multi-threaded use of SQLAlchemy

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I want to make a Database Application Programming Interface written in Python and using SQLAlchemy (or any other database connectors if it is told that using SQLAlchemy for this kind of task is not the good way to go). The setup is a MySQL server running on Linux or BSD and a the Python software running on a Linux or BSD machine (Either foreign or local).

ValueError: Error when checking target: expected model_2 to have shape (None, 252, 252, 1) but got array with shape (300, 128, 128, 3)

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hi I am building a image classifier for one-class classification in which i’ve used autoencoder while running this model I am getting this error by this line (autoencoder_model.fit) (ValueError: Error when checking target: expected model_2 to have shape (None, 252, 252, 1) but got array with shape (300, 128, 128, 3).)