I just downloaded PyCharm the other day and wanted to download a few packages. I’m using Windows 10 with PyCharm 2016.2.2 and python 3.5.2. When I go to the available packages screen it continually states: Error loading package list:pypi.python.org I was just trying to download BeautifulSoup and I’…
Python square brackets between function name and arguments: func[…](…)
I was learning how to accelerate python computations on GPU from this notebook, where one line confuses me: Here, mandel_kernel is a decorated (by cuda.jit) function, griddim and blockdim are tuples of length 2: griddim=(32,16), blockdim=(32,8). Is this square brackets in between function name and argument li…
model IntegerField() to django-template with ordinal
I have a model with IntegerField() And i would like it to display in a template with ordinal suffix. I would like the floor output like this. 1st, 2nd, 3rd, 4th… 10th.. 12th.. 13th.. 15th… Answer You can use ordinal function from django.contrib.humanize package
python pandas: filter out records with null or empty string for a given field
I am trying to filter out records whose field_A is null or empty string in the data frame like below: This gives me error: or This one gave no error but didn’t filter out any None values. I also tried: This one doesn’t give error but doesn’t filter out any None values either. Could anyone pl…
How to configure Visual Studio Code to debug Django app in a virtualenv?
I would like to have possibility to do a debugging of Django application in Visual Studio Code. I have a virtualenv, made a change in launch.json file that look like this: put several break points in the code and run it. Unfortunately, the execution is not stopped on the line with break points. I tried the sa…
Using conditional expressions and incrementing/decrementing a variable
How do I to put the if statement into a conditional expression and how do I increment/ decrement a variable? Answer The correct statement would be: For reference, see Conditional Expressions.
(Errno 22) invalid argument when trying to run a python program from a bat file
I’m following this exactly but it is not working https://youtu.be/qHcHUHF_Qfo?t=438 I type the location in the run window: I get error message: can’t open file ‘c:users”Zachary’: [Errno 22] invalid argument The bat file is: I’ve searched everywhere and can’t find an a…
How to set coordinates when cropping an image with PIL?
I don’t know how to set the coordinates to crop an image in PILs crop(): I tried with gThumb to get coordinates, but if I take an area which I would like to crop, I can only find position 194 336. Could someone help me please? This is my picture: I wish to crop to this: Answer How to set
How can I manage units in pandas data?
I’m trying to figure out if there is a good way to manage units in my pandas data. For example, I have a DataFrame that looks like this: Currently, the measurement units are encoded in column names. Downsides include: column selection is awkward — df[‘width (m)’] vs. df[‘width…
How to call super of enclosing class in a mixin in Python?
I have the following code, in Django: Now, I want to use the mixin without blatting the behaviour of the save in Parent. So I when I save, I want to do stuff C, B, and A. I’ve read Calling the setter of a super class in a mixin however I don’t get it and having read the super docs