I’m creating a subclass of QGraphicsItem, and this subclass has different places that the user can click. My idea is for each component clicked to create a subclass of QGraphicsItem with mousePressEvent replaced. The problem is how can I merge this component into a subclass of QGraphicItem. Here’s…
Python equivalent for C#’s generic List
I am creating a simple GUI program to manage priorities. I have successfully managed to add functionality to add an item to the listbox. Now I want to add the item to the something what is known as List<> in C#. Does such a thing exist in Python? For instance, in C#, to add an item to the listview I
Converting a iterable of ordered dict’s to pandas dataframe
I am iterating over OrderedDict’s and want to store them as pandas dataframe. Is there a commend to do that? Currently, the code is: One row in res looks like this: OrderedDict([(‘field_id’, 1), (‘date’, datetime.date(2016, 1, 3)), (‘temp’, 30.08), (‘norm_temper…
“SystemError: tile cannot extend outside image” in PIL during save image
I have this Image => here is, all coordinates of above yellow boxes that is written in 3.txt file. My intension is to crop those boxes and save all boxes as Image. I have written a code for that but getting error. Here is my code => I am getting these error => Traceback (most recent call last): File …
Why is the use of len(SEQUENCE) in condition values considered incorrect by Pylint?
Considering this code snippet: I was alarmed by Pylint with this message regarding the line with the if statement: [pylint] C1801:Do not use len(SEQUENCE) as condition value The rule C1801, at first glance, did not sound very reasonable to me, and the definition on the reference guide does not explain why thi…
How to plot (inline) with rpy2 in Jupyter notebook?
I’m learning to use rpy2 in Jupyter notebook. I’m having troubles with the plotting. When I use this example from the rpy2 docs for interactive work: Jupyter opens a new window with the plot. The window “title” reads: R Graphics: Device 2 (ACTIVE) (Not Responding). My Jupyter kernel is…
Luigi – Unfulfilled %s at run time
I am trying to learn in a very simple way how luigi works. Just as a newbie I came up with this code Running this in command prompt gives error saying which is: Answer This happens because you define an output for class2 but never create it. Let’s break it down… When running luigi will ask: is the…
Why are my gunicorn Python/Flask workers exiting from signal term?
I have a Python/Flask web application that I am deploying via Gunicorn in a docker image on Amazon ECS. Everything is going fine, and then suddenly, including the last successful request, I see this in the logs: [2017-03-29 21:49:42 +0000] [14] [DEBUG] GET /heatmap_column/e4c53623-2758-4863-af06-91bd002e0107/…
RGB average of circles
I’m using OpenCV and PIL in Python. I have 96 circles detected with their center coordinates and radios. I need the average RGB from each circles. Each circle has 6000 pixels, so I thinks iterate one to one it is not efficient. How can I extract the average RGB from each circle? I am ready to use any ot…
How to set headers properly for suds soap client
I am trying to send a request to an api using suds client. The request is formed like this: I am sending the request for this like: the error I am receiving is: Is this how I should be sending the request? It is definitely something to do with the apiHeader I think; not sure what though, I get the