The matplotlib.pyplot.tripcolor example produces this image: If I change the plotting line from to then coloured edges appear: Adding antialiased=True makes things a bit better, but edges are still visible: Nothing else I tried changed the appearance of the edges. They seem unaffected by setting linewidths or…
Need the full path when activating Conda environment?
I’m new to the Conda environment and I was trying to create an environment by conda create -n chip python=2.7, and then source activate chip to activate the environment, but then I got the error message: And conda info –envs returned me: I tried source activate /anaconda3/envs/chip and it worked. …
Python: scientific notation with superscript exponent
I’m attempting to format numbers in scientific notation with exponents of base 10, e.g. write 0.00123 as 1.23×10–3, using python 3. I found this great function which prints 1.23×10^-3, but how can the caret-exponent be replaced with a superscript? The function is modified from https://stackove…
What does format=None do in Django rest full API
Recently when I read Django rest full API document I faced this code : this code is work fine but I look for format=None and I cant find out what does it do. is any body know what is it and why its important to be? Answer The django rest framework (drf) documentation explains it here. The gist of it
Anaconda/conda/python/Windows: how to start and activate a conda environment?
I have Python 3.5 (3.5.6) installed via Anaconda, and now I’d like to be able to use Python 3.7, keeping 3.5 as the default (the one python “insert script name” would run on the command line). I commanded the computer to activate it, but it isn’t working. Answer In the Start menu you h…
Measure similarity between two documents using Doc2Vec
I have already trained gensim doc2Vec model, which is finding most similar documents to an unknown one. Now I need to find the similarity value between two unknown documents (which were not in the training data, so they can not be referenced by doc id) in the code above vec1 and vec2 are successfully initiali…
How to calculate the center of gravity with shapely in python?
I discovered shapely but I did not find how to calculated the center of gravity of a polygon! Does someone have the solution? Answer If your polygon has a uniform density, its center of mass coincides with its centroid. In shapely, the centroid can be directly calculated as:
Input Shape for 1D CNN (Keras)
I’m building a CNN using Keras, with the following Conv1D as my first layer: I’m training with the function: In which train_df is a pandas dataframe of two columns where, for each row, label is an int (0 or 1) and payload is a ndarray of floats padded with zeros/truncated to a length of 1000. The …
Keras CNN Error: expected Sequence to have 3 dimensions, but got array with shape (500, 400)
I’m getting this error: ValueError: Error when checking input: expected Sequence to have 3 dimensions, but got array with shape (500, 400) These are the below codes that I’m using. Output (here I’ve 500 rows in each): Code: Any insights? Answer Two things – Conv1D layer expects input t…
Make User email unique django
How can I make a Django User email unique when a user is signing up? forms.py I’m using the from django.contrib.auth.models User. Do I need to override the User in the model. Currently the model doesn’t make a reference to User. views.py Answer The best answer is to use CustomUser by subclassing t…