Sup geeks! As a very beginner to CSV files and modules, I am facing some issues while running my codes. At some point, it is acting a bit weird. My objective is to write a program to create a file voter.csv containing voter id, voter name, and voter age. And to read the file and display the number of records.
Tag: python
How to get a Class and Definitions diagram from Python code?
I have a large multi-file Python application I’d like to document graphically. But first, I made a small “dummy” app to test out different UML packages. (Note: I do have graphviz installed and in the path). Here’s my “dummy” code: Here are the different pyreverse command-li…
Airflow is failing my DAG when I use external scripts giving ModuleNotFoundError: No module named
I am new to Airflow, and I am trying to create a Python pipeline scheduling automation process. My project youtubecollection01 utilizes custom created modules, so when I run the DAG it fails with ModuleNotFoundError: No module named ‘Authentication’. This is how my project is structured: This is m…
ValueError: All arrays must be of the same length
can someone help with the error with converting a json file to a data frame pls I’m trying to convert the JSON text file to a data frame but get the array same length error. I have tried double [[]] around the ‘data’ but still doesn’t work. The text file is at https://stackoverflowtez.…
Sorting lists within a list in Python
I have a list J consisting of lists. I am trying to sort elements of each list in ascending order. I present the current and expected outputs. The current output is The expected output is Answer Just remove the range Output:
Override (save_model) in django admin for All models/apps in projects
How could I implement override save method for all models in all Apps inside Admin panel? I can implement it in one or two models “inherit and adding it in register method”, but I really need it to execute whenever admin clicks save in Admin panel and implement some code before save. Answer In my …
Line up plots between two separate axis with matplotlib
I have the following plot Which looks as : I would like to arrange the patches on the right plot (ax_dict[‘b’]) so that they’re horizontally aligned with the bars from ax_dict[‘a’]. Currently they’re roughly inline – but the bars are higher / lower on the right than t…
how to detect a braking process in python dataframe
I have some trips, and for each trip contains different steps, the data frame looks like following: I want to know if, on a trip X, the cyclist has braked (speed has decreased by at least 30%). The problem is that the duration between every two steps is each time different. For example, in 6 seconds, the spee…
Rolling N Non-regular Dice in Constant Time
Say I have a non-regular dice defined by probabilities in a list that add up to one, e.g [0.1, 0.3, 0.4, 0.2]. I can use the following code to simulate rolling that dice n times: Counter({3: 4000343, 2: 2998523, 4: 2000309, 1: 1000825}) However, for large n, the code gets quite slow, as choices iterates n tim…
Linkrot – TypeError: ‘<' not supported between instances of 'NoneType' and 'str'
I’m getting a “TypeError: ‘<‘ not supported between instances of ‘NoneType’ and ‘str’” when running a python script. Below is the Traceback. Here is the snippet of the code throwing the error. I understand why it is wrong, but I’m unsure how to fix it. …