This question already has answers here: Keras – Plot training, validation and test set accuracy (6 answers) Closed 10 months ago. The code below is for my CNN model and I want to plot the accuracy and loss for it, any help would be much appreciated. I want the output to be plotted using matplotlib so need any advice as
Tag: validation
How to disable schema checking in FastAPI?
I am migrating a service from Flask to FastAPI and using Pydantic models to generate the documentation. However, I’m a little unsure about the schema check. I’m afraid there will be some unexpected data (like a different field format) and it will return an error. In the Pydantic documentation there are ways to create a model without checking the schema:
TKinter Entry validation not working after setting its StringVar
I have a TKinter entry widget where i want to validate the input, and everything works as expected. But when I set the StringVariable of the Entry widget the validation function is no more called. Can someone explain me this behavior? Here is an example of my problem where i validate whether the input is a digit or not I
Dependencies validation using Cerberus
Am validating a CSV file with Cerberus but am struggling with what I’d assume is some basic logic Scenario: A CSV file has 2 columns. Column 2 requires to have a value only if Column 1 has a value. If Column 1 is empty then Column 2 should also be empty. Am thinking this would be one of the most
Using uk-postcode-utils in a python form
I am creating a form for the user to enter a valid UK postcode. I currently have the following code for the form: and the template is: but getting the error: TypeError: argument of type ‘StringField’ is not iterable. What can I do to fix this? Edit: Here are the complete form entry and the template for the webpage. Thanks
How to validate structure (or schema) of dictionary in Python?
I have a dictionary with config info: I want to check if the dictionary follows the structure I need. I’m looking for something like this: Is there any solution done to this problem or any library that could make implementing check_structure more easy? Answer Without using libraries, you could also define a simple recursive function like this: This assumes that
Flask validates decorator multiple fields simultaneously
I have been using the @validates decorator in sqlalchemy.orm from flask to validate fields, and all has gone well as long as all of the fields are independent of one another such as: However, now I need to do some validation that will require access to field_one and field_two simultaneously. It looks like validates accepts multiple arguments to the validates
Asking the user for input until they give a valid response
I am writing a program that accepts user input. The program works as expected as long as the the user enters meaningful data. But it fails if the user enters invalid data: Instead of crashing, I would like the program to ask for the input again. Like this: How do I ask for valid input instead of crashing or accepting
How to check if a string is a valid regex in Python?
In Java, I could use the following function to check if a string is a valid regex (source): Is there a Python equivalent of the Pattern.compile() and PatternSyntaxException? If so, what is it? Answer Similar to Java. Use re.error exception: exception re.error Exception raised when a string passed to one of the functions here is not a valid regular expression
Interactively validating Entry widget content in tkinter
What is the recommended technique for interactively validating content in a tkinter Entry widget? I’ve read the posts about using validate=True and validatecommand=command, and it appears that these features are limited by the fact that they get cleared if the validatecommand command updates the Entry widget’s value. Given this behavior, should we bind on the KeyPress, Cut, and Paste events