i have a python list of lists i want to merge all the containing list with at least 1 common element and remove the similar items i have a big set of data which is a list of lists, with some common data in some of the containing lists, i want to merge all lists with common data the elements
Tag: validation
How should I validate this correctly?
”’ This is a function which asks the user to input two values and then gives the longer word if the user inputs two words or gives the bigger number when the user enters two numbers. It returns can’t compare if the user enters a word and a number, however the problem I am facing is I am unab…
Using dynamic object name in YAML scheme
I want to validate YAML files in Python with my own scheme. A valid YAML shall look like this: While [windows, other] are dynamic, any name shall allowed there (i.e. “solaris”, “mac”, “templeOS”) I’m using validate from jsonschema like described here: Validating a yam…
MultiCheckbox Field Validation with Flask WTForms
I have a WTForm and I am trying to validate a custom multi-checkbox field, When I set the required flag to true, every checkbox needs to be checked. I just need at least one checkbox to be selected. When I don’t set the required flag, the native, and very elusive (is doesn’t appear in js, html, or…
Validate dataclass field with custom defined method?
While working with dataclasses, type hints are good but what I’m looking also for is a Validation of passed values (such as string of max length 50, int with upper limit of 100 etc) Is there anyway to validate passed value ? For example, Pydantic has these Validators. I’m looking for something nat…
How to close all the processes one by one in a program that operates with multiprocessing by means of an ‘if’ validation found in one of them process?
I need that when the variable text is equal to “Close your program” the 3 active processes(p1,p2,p3) are closed. I have tried to do something like this: But it is not working for me, and I would need a better code that allows me to close them one by one in that code block if text is equal to ̶…
Is there any data validation nuget library like python’s voluptuous in C#? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 1 year ago. Improve this quest…
How to perform input validation for read-only instance attributes?
A very similar question was posted here, but there are no accepted answers, no code examples and I don’t really like the idea of using an external library as suggested by the only one answer provided there. The following code allows to define read-only instance attributes: but I would like to validate t…
Cross-validation with time series data in sklearn
I have a question with regard to cross-validation of time series data in general. The problem is macro forecasting, e.g. forecasting the 1-month ahead Price of the S&P500 using different monthly macro variables. Now I read about the following approach: One should/could use a rolling cross-validation appro…
How to reuse a root_validator in Pydantic?
The Pydantic docs have an example of reusing a validator: https://pydantic-docs.helpmanual.io/usage/validators/#reuse-validators Is it possible to reuse a root validator? Answer Yes, it is possible and the API is very similiar Example: It is also possible to parameterize the validator like in this example htt…