I am trying to create a board that lets users choose the number of rows and columns but I can’t seem to put anything together! For example if a user wants 3 rows and 3 columns I am trying to make it print out: My code so far: and this is what it outputs: I feel really dumb for not
Tag: python
Previous frames not cleared when saving matplotlib animation
I am making a matplotlib animation in which a quiver arrow moves across the page. This cannot be achieved in the usual way (creating one Quiver object and updating it with each frame of the animation) because although there is a set_UVC method for updating the u, v components, there is no equivalent method fo…
Jupyter python3 notebook cannot recognize pandas
I am using the Jupyter notebook with Python 3 selected. On the first line of a cell I am entering: The error I get from the notebook is, ImportError: No module named ‘pandas’. How can I install pandas to the jupyter notebook? The computer I launched the Jupyter notebook from definitely has pandas.…
Error while reading image using cv2.imread() in Django views.py
I am trying to apply image processing on an image which i’m loading through cv2.imread() in Django’s views.py file, but i’m getting an AttributeError everytime. Following is the hierarchy views.py through which i’m trying to read temp321.jpg : Error which i’m getting: What am i d…
TensorFlow ‘module’ object has no attribute ‘global_variables_initializer’
I’m new to Tensorflow I’m running a Deep learning Assignment from Udacity on iPython notebook. link And it has an error. Please help! How can I fix this? Thank you. Answer In older versions, it was called tf.initialize_all_variables.
how to count number of filled cells in each column of excel using python
I have a sheet in Excel which is not structured data as you can see here . I tried using xlrd package but this is giving me the maximum row count for a column. But I need filled cell count for each column. Could anyone suggest solution. Answer You can try to iterate through every row and check whether the
Retrieve list of training features names from classifier
Is there a way to retrieve the list of feature names used for training of a classifier, once it has been trained with the fit method? I would like to get this information before applying to unseen data. The data used for training is a pandas DataFrame and in my case, the classifier is a RandomForestClassifier…
Pass nested dictionary location as parameter in Python
If I have a nested dictionary I can get a key by indexing like so: Am I able to pass that indexing as a function parameter? Obviously, this is incorrect, I get TypeError: list indices must be integers, not str. How can I do it correctly? Answer You can use reduce (or functools.reduce in python 3), but that wo…
Google foobar gearing_up_for_destruction
I was doing the google foobar challenge but ran out of time on the following challenge i am trying to see what i did wrong. Challenge As Commander Lambda’s personal assistant, you’ve been assigned the task of configuring the LAMBCHOP doomsday device’s axial orientation gears. It should be pr…
In Python, how would you check if a number is one of the integer types?
In Python, how could you check if the type of a number is an integer without checking each integer type, i.e., ‘int’, ‘numpy.int32’, or ‘numpy.int64’? I thought to try if int(val) == val but this does not work when a float is set to an integer value (not type). I want to fi…