Im trying to represent an 2 dimensional array of a pyramid in the 3d space. In matlab i could just use the function mesh(). But in python im having a hard time doing it. Answer np.meshgrid() creates the grid coordinates. ax.plot_surface() plots a 3d height field.
Substring any kind of HTML String
i need to divide any kind of html code (string) to a list of tokens. For example: or or What i tried to do : My output: So i tried to split at “/>” which is working for the first case. Then i tried several things. Tried to identify the “name”, so the first identifier of the html str…
How to find all columns contains string and put in a new columns?
I was wondering how could I find all values that start with ‘orange’ from all the columns and parse it into new columns. expected output : Answer Let’s try stack then filter by str.contains: df1: Or melt for same order as OP: df1: regex ^orange: ^ asserts position at start of a line orange m…
Python Ray: Any good resources other than the website about the Ray API for python? [closed]
Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. We don’t allow questions seeking recommendations for books, tools, software libraries, and more. You can edit the question so it can be answered with facts and citations. Closed 1 year ago. Improve this quest…
Where developers save choice options in Django?
For example i have a choice Should i create a model like: and create some color instances in django-admin or i need to declare CHOICE(above), where i save all colors(even if there are many colors)? Answer Let’s say you need to make a model product and this model has multiple colors. In this case you nee…
If a table has columns equal to columns in a second table insert values in a third table, python – mysql
I have 3 table in my database: Borrowers: amount of the loan, interest rate, borrower id (PK) Lenders: amount of the bid, interest rate and LenderID (PK) Contracts: ContractID PK, amount, interest rate and the two foreign key(borrowerID, lenderID) I create a loop in python with an input command in which I can…
Shift column position to right based on criteria using Pandas
I have a dataframe that looks like below I would like to position shift by 1 cell to the right if there is NA in the column dep_id. I tried the below but it wasn’t working Any efficient and elegant approach to shift column position on big data? For example, I expect my output to be like as shown below
Sqlite3 Programming Error -> SQLite objects created in a thread can only be used in that same thread
Im programming for my friend a website like youtube. But I always get this error when i go to http://localhost:2389/watch.v=f4efc9de771d4aba85ee0a88bbce08b9 This is the server code: and this is the database helper: And this is the error: I hope someone can help me. Answer I found the problem. I have to do thi…
Determine the similarity between two arrays of counts [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing this post. Closed 1 year ago. Improve this question The Problem: I am trying to determine the similarity between two 1D ar…
How to update environment variables through python code on Heroku?
What I’m trying to do is: I’m trying to make a Telegram-bot that sends me a message when there’s a new post updated on a specific web page. I made the code and uploaded it on Heroku. The bot is set to keep starting every 10 minutes using Heroku Scheduler so that it would detect any new post …