Is there a better, more DRY way to create repetitive sets of views and urls in django? Below are my views and urls. As you can probably see, There are currently two sets of views and urls that are would be identical if not for the different model name. Is there a way to create 3 classes at once as
Dependencies of Django Project
I created a setup.py and setup.cfg like explained in the Django docs. Now I am unsure how to add dependencies to my project. If someone installs my code, other tools like Pillow should automatically get installed. I read that install_requires is the right way (not requirements.txt), but how to specify this? T…
Django. DEBUG in production
I’m writing my first real project in Django and I have a problem with properly setting DEBUG in development and production. In my settings.py project file I have: So I expect that it should work as follows. By default DEBUG is set to True (I use this in my development). But on my production server I hav…
Python counting the trailing zero of factorial
Working on an example but it does not work. There must be a function which counts trailing zero in n! the factorial formula. where, n is the number for whose factorial we want to find the number of trailing zeros. Used some imports but it did not work. My code: Ex: Output must be: Answer This code can do the
Define a generator which updates global variables before the first __next__() call
Given the following function in python I would like to update the global variable before calling “next()”. Let me show it to you with an example. Then you can run: Which outputs the following: Finally: please note that there is a way of doing this via a class definition that has a class variable, …
How can i give Gaussian noise to my moons dataset with a deviation value of 0.2 in python?
I have make_moons dataset, generated by scikit-learn X, y = make_moons(n_samples=120) How can i give Gaussian noise to my moons dataset with a deviation value of 0.2 in python? Answer You can just pass that value to the make_moons function as noise. noise : double or None (default=None) Standard deviation of …
pandas group by and fill in the missing time interval sequence
I have a data frame like as shown below What I would like to do is a) FIll in the missing time by generating a sequence number (ex:1,2,3,4) and copy the value (for all other columns) from the previous row I was trying something like below But this doesn’t help me get the expected output I expect my outp…
math module not working in a string for eval
Suppose I have this code: but I only get this error: NameError: name ‘math’ is not defined How can I fix this? Answer The second parameter to eval, if present, should reference the global namespace. Here, you explicitely assigned an empty dict to it, so you don’t have any access to the name …
Multiple lines chart from dataframe with looping samples
I have a big dataframe which includes 30 samples, measured one every 6 sec over days. It looks something like this: DATE_TIME SAMPLE VALUE 2020-12-10 10:52:48 1 3.22 2020-12-10 10:52:54 2 2.93 2020-12-10 10:53:00 3 2.27 … … … 2020-12-10 16:27:13 1 1.66 2020-12-10 16:27:19 2 1.15 2020-12-10 1…
Python : get access to a column of a dataframe with multiindex
Let’s say that I have this dataframe with multi index : How do we get access to the data in the columns “Balance” or “Date”, I do not get why that does not work : or Answer You should use Index.get_level_values: You can pass labels : OR: Pass indices: