I have a Class B inheriting Class A with a class attribute cls_attr. And I would like to set dynamically cls_attr in class B. Something like that: I tried several things. I know i might not be looking in the right place but i am out of solutions. EDIT: Classes are django admin classes Thanks. Answer class att…
How to check for duplicates with less time in a list over 9000 elements by python
um trying to check whether there are duplicate values exists in an integer list by python . this was successful and I found that the execution time getting higher when the size of the list getting increase. How may I improve the run time of the following logic? Answer You could use a set: EDIT: a faster versi…
Python, Flask: How to set response header for all responses
I want to set all of my http headers responses to something like this: I checked this question, but it only changes the header for one specific controller. I want to change all of my headers maybe in “before_request” function similar to the following logic. How can I do that? Answer Set the header…
Python – How can I make this un-pickleable object pickleable?
So, I have an object that has quite a bit of non-pickleable things in it (pygame events, orderedDicts, clock, etc.) and I need to save it to disk. Thing is, if I can just get this thing to store a string that has the progress (a single integer is all I need), then I can pass it to the object’s
No such file or directory “limits.h” when installing Pillow on Alpine Linux
I’m running alpine-linux on a Raspberry Pi 2. I’m trying to install Pillow via this command: This is the output from the command: I think this is probably the relevant section: My research shows it’s probably something with the header files. I have installed these: Answer Alpine Linux uses m…
Python Pandas equivalent in JavaScript
With this CSV example: The standard method I use Pandas is this: Parse CSV Select columns into a data frame (col1 and col3) Process the column (e.g. avarage the values of col1 and col3) Is there a JavaScript library that does that like Pandas? Answer This wiki will summarize and compare many pandas-like Javas…
How to have tabs of a ttk Notebook in different rows?
In the below program i have many tabs in a single notebook page. when the number of tabs increases the look changes. So how to put the tabs in different rows As in attached image, I have many tabs in a single row, but I want some tabs say from JJJJ in a below row. How to set tabs in
How to get data from a list Json with python
I am new to python and have tried to get data from a python json document , what I try to do is pass the information to python and json from python print a pdf with a table style. My code in json is and in python i tip the next code print correctly content of json,but my idea is
Django 1.8 inspectdb command doesn’t see PostgreSQL views as per documentation
I have a Django 1.8 application with a PostgreSQL database. I run the django inspectdb from the command line to examine models for the views, but the views don’t show up in the model output. Here’s the version output: And here’s what psql sees: From the django 1.8.2 documentation: How can I …
Changing font for part of text in python-pptx
I’m using the python-pptx module to create presentations. How can I change the font properties only for a part of the text? I currently change the font like this: Thanks! Answer In PowerPoint, font properties are applied to a run. In a way, it is what defines a run; a “run” of text sharing t…