I am trying to build blender so that I can use it directly from python and was going through this tutorial and I got stuck on the very first make command giving me I am using Ubuntu 14.04, with the system python installs (3.4.3 and 2.7.6). I am expected to specify manually these environment variables (if they…
Field name `username` is not valid for model
I am attempting to use rest-auth supplied serialisers to GET (*with headers) user details from the defined endpoint /rest-auth/user/ (*with headers (Content-Type: application/json Authorization: Token 1a5472b2af03fc0e9de31fc0fc6dd81583087523 )) I am getting the following traceback: https://dpaste.de/oYay#L I …
xlswriter formatting a range
In xlswriter, once a format is defined, how can you apply it to a range and not to the whole column or the whole row? for example: this gets applied it to the whole “B” column, but how can this “perc_fmt” applied to a range, for example, if I do: it says: Answer Actually I found a work…
Arrow on a line plot with matplotlib
I’d like to add an arrow to a line plot with matplotlib like in the plot below (drawn with pgfplots). How can I do (position and direction of the arrow should be parameters ideally)? Here is some code to experiment. Thanks. Answer In my experience this works best by using annotate. Thereby you avoid the…
Why is my website throwing POST error in python?
I’m sending request to League of Legends API for JSON file. In 3 others tries it worked for me, but in last it doesn’t. I have no idea why and can’t find any mistakes. My request for getting JSON file My website function for return the results. Place, where is mistake, is highlighted with co…
How to create a numpy array of lists?
I want to create a numpy array in which each element must be a list, so later I can append new elements to each. I have looked on google and here on stack overflow already, yet it seems nowhere to be found. Main issue is that numpy assumes your list must become an array, but that is not what I
Remove duplicate JSON objects from list in python
I have a list of dict where a particular value is repeated multiple times, and I would like to remove the duplicate values. My list: function to remove duplicate values: When I call this function I get generator object. When I try to iterate over the generator I get TypeError: unhashable type: ‘dictR…
Problems in traversing contours in python using OpenCV library
I am designing an algorithm in which I have to traverse through every contour in an image and apply a condition on it. I am using OpenCV library to do this. And the code is as follows: The error is: Answer I have never used h_next but whenever I’ve iterated over contours has worked. It appears that you&…
Pip Install hangs
I currently have Python 3.5 on my Windows machine. I’m trying to install a Python package using the command “pip install” but as soon as I hit enter nothing happens. The action hangs for such a long time and when I try to exit the command line, it freezes. How do I get pip install to work? A…
Groupby and lag all columns of a dataframe?
I want to lag every column in a dataframe, by group. I have a frame like this: which looks like and I want it to look like this: This question manages the result for a single column, but I have an arbitrary number of columns, and I want to lag all of them. I can use groupby and apply, but