My rest api view defines only two methods: i have some experience overwriting the list, but i have no experience overwriting create as it seems to be a lot more complicated. What i want to achieve is following. My Request model has a special method which creates instance of Requests – start_request. Thi…
Tag: python
alternative to if else python
Ok i wrote this in python then rewrote because i don’t like if else statements. the first version worked perfectly. my second one failed and ended up taking more lines than my first version. my question is, am i just stupid? is there a better way to do this or should i just accept the need for if else s…
Why don’t three R, G and B circles blend correctly?
I am trying to represent the RGB color model using python + pygame. I wanted to get the following: So then, I wrote the following code: But instead of getting the RGB color model, I got this, with colors incorrectly blended: Does anybody know what it could be? Thanks! Answer This should work: You want to add …
django framework: get value from django.db.models.fields.IntegerField
How can I get value from class django.db.models.fields.IntegerField? I want get 1 from admin field. This is python code: model class and function view A view function when I run user = Users.objects.get(id=userId) Answer I presume, you want the value of admin. From my understanding what you can do is you can …
Concat multiple dataframe and manage those that doesn’t exist
I try to concat some dataframe – 30 dataframe of 24h data – that been created automatically with some csv, but sometimes csv doesn’t exist, so the dataframe wasn’t created (df1, fd2, df4,df8,df9,…). And so I want to create weekly dataframe with 7 concatenated df, but the function…
Lag of values from 1 month ago
My initial dataset has only 2 columns, date and value. What I’m trying to do is, for each date, get the value from the previous month (columns m-1 and m-12). The problems I’m having is when the day doesn’t exist in previous month, like 29 of February, that I want to leave it empty, and most …
How to keep QWidgets in QTreeWidget hidden during resize?
I have a simple UI with QWidgets within a QTreeWidget. Some of them need to be hidden. Every time the application is resized, all QWidgets become visible. Below is a minimal example to demonstrate the issue. How can I make sure the QWidgets stay hidden until setVisible(True) is called explicitly? pyqt version…
Convert ’01-Feb-15′ to Python date 01/02/2015 [closed]
Closed. This question is not reproducible or was caused by typos. It is not currently accepting answers. This question was caused by a typo or a problem that can no longer be reproduced. While similar questions may be on-topic here, this one was resolved in a way less likely to help future readers. Closed 11 …
How to use pt file
I’m trying to make a currency recognition model and I did so using a dataset on kaggle and colab using yolov5 and I exactly carried out the steps explained on yolov5 github. At the end, I downloaded a .pt file which has the weights of the model and now I want to use it in python file to detect and
Is the implicit conversion of strings that have only whitespace between them to a single string any different from concatenation?
I came across this line in the Python documentation: String that are part of a single expression and have only whitespace between them will be implicitly converted to a single string literal. That is, (“spam ” “eggs”) == “spam eggs”. Another way to see this is, “spam&…