I know Python // rounds towards negative infinity and in C++ / is truncating, rounding towards 0. And here’s what I know so far: But why Python // choose to round towards negative infinity? I didn’t find any resources explain that, but only find and hear people say vaguely: “for mathematics …
Tag: python-3.x
How can turn to only 2?
i have problem with openpyxl. My code is working but i can not figure out for saving value to excel my code is and it prints out what i want to do is i want to save title to B column in excel but i don’t know how to do that Answer this one fix my problem
Automate appending yesterday’s date to end of file names using Python?
I’m trying to solve a problem at work, I am not a developer but work in general IT operations and am trying to learn a bit here and there, so I may be way off right now with what I’m trying to do here. I’ve just been utilizing online resources, here and a little bit from the book Automate th…
shape error while concating columns after Principal Analysis in csv
I am applying PCA in my csv data. After normalization, seems PCA is working. I want to plot projection by making 4 components. but I am stuck with this error : This is my code: I guess I am getting error while concat my components and df[‘type’]. Can I get idea to get rid of this error? Thank you.…
How to convert a binary data into c_ubyte_Array_64 in python
How to convert ` b’x00x00x00x00x00x00x00x01′ c_ubyte_Array_64 in python. I could find any resources only so any help would really appreciated. I have to send this message which should be of type c_ubyte_Array_64 I tried it in the above manner but it gives me this error Answer Listing [Python.Docs]…
Detect incomplete subclass of abstract class, python
In Python, how can I differentiate between a concrete subclass and a subclass which is still abstract (i.e. not all abstract methods have been implemented)? Consider the following: What is the implementation of is_concrete_class? I could attempt to instantiate each subclass given by __subclasses__() and catch…
How to compare a list of dict with list of tuples in Python
I have a list of dict as below: and list of tuples: I have to write a python code where I have to checkif MetaData from dict (for both keyboard & smallObjects) in objList if greater than or equal to the count in objectsCounter. If yes, then I have to set IsCompleted to True otherwise False. For this I hav…
Creating a series of Quarters
Let say I have a date Now starting from mydate, I want to create an array of 10 quarters e.g. 2020-Q1, 2020-Q2, … [total 10 values] Is there any direct way to achieve this? In R, this is pretty straightforward, as I can use seq() function to generate the same. Any pointer will be very helpful Answer it …
Memoized solution to Combination IV on Leetcode gives TLE when an array is used for caching
While trying to solve Combination IV on Leetcode, I came up with this memoized solution: But this gives me a Time Limit Exceeded error. Another memoized solution, that uses a dictionary to cache values instead of a dp array, runs fine and does not exceed time limit. The solution is as follows: Why does using …
SQLite3 Integrity Error When Running “createsuperuser”
I am trying to extend the default Django User model by linking to it through a OneToOneField. I successfully migrated the changes and registered my Profile model inside admin.py, however, when I try to run the command python manage.py createsuperuser and fill in the information I get an Integrity Error. I kno…