I removed some fields from my model, but I want the serializer to still accept the fields as input. How do I have fields the serializer accepts but doesn’t use? Answer From http://www.django-rest-framework.org/api-guide/serializers/ You can add extra fields to a ModelSerializer or override the default f…
Tag: python
‘numpy.ndarray’ object has no attribute ‘find’ while trying to generate boxplot?
I am trying to generate a box plot. Here is my code, data below: The data is float which is verified by the print command as its output is <type ‘float’>. On running the code, I am getting the following error (full stacktrace below) AttributeError: ‘numpy.ndarray’ object has no a…
How to set a variable from inside a for loop that can be accessed from outside the for loop [Jinja]
When a user clicks a link, I want Jinja to set a variable called {{ contact_clicked }} that is equal to {{ contact }}. I could do <a href=”/?{% contact_clicked = contact %}”>…..</a>. However, that variable is then inaccessible outside of the for loop. I tried creating a list and …
Concat DataFrame Reindexing only valid with uniquely valued Index objects
I am trying to concat the following dataframes: df1 and: df2 With But I get the follwing output: I have removed additional columns and removed duplicates and NA where there could be a conflict – but I simply do not know what’s wrong. Answer pd.concat requires that the indices be unique. To remove …
Odoo. Hide some options in field selection
I have some selection field in my model. Here example: In some cases I need hide specific options in selection(or radio buttons). How I can do this properly? Below screen from base calendar module which can more explain about my problem. Thanks in advance. Answer I found the solution. First of all we need to …
Guard clause on lists using only functional programming
The problem I am facing is that, given a list and a guard condition, I must verify if every element in the list passes the guard condition. If even one of the elements fails the guard check, then the function should return false. If all of them pass the guard check, then the function should return true. The r…
Getting WebViewLinks with Google Drive
I’ve just started trying to use the Google Drive API. Using the quickstart guide I set up the authentication, I can print a list of my files and I can even make copies. All that works great, however I’m having trouble trying to access data from a file on Drive. In particular, I’m trying to g…
sklearn Logistic Regression “ValueError: Found array with dim 3. Estimator expected <= 2."
I attempt to solve this problem 6 in this notebook. The question is to train a simple model on this data using 50, 100, 1000 and 5000 training samples by using the LogisticRegression model from sklearn.linear_model. This is the code i trying to do and it give me the error. Any idea? Answer scikit-learn expect…
How to use Scikit kmeans when I have a dataframe
I have converted my dataset to dataframe. I was wondering how to use it in scikit kmeans or if any other kmeans package available. Answer sklearn is fully compatible with pandas DataFrames. Therefore, it’s as simple as: That 0.6 means you use 60% of your data for training, 40% for testing. More info her…
Matplotlib – adding subplots to a subplot?
I’m trying to create a figure that consists of a 2×2 grid, where in each quadrant there are 2 vertically stacked subplots (i.e. a 2×1 grid). I can’t seem to figure out how to achieve this, though. The closest I’ve gotten is using gridspec and some ugly code (see below), but because…