The database stores images in varbinary format. I am getting data like this b’xffxd8xffxe0x00x10JFIFx00x01x01x01x00x00x00x00xffxe1x00ZExifx… I can save them if I use the code I don’t want to save pictures, i want show them directly in QLabel. How can i do this? Answer I finded solution for m…
How to upload pandas, sqlalchemy package in lambda to avoid error “Unable to import module ‘lambda_function’: No module named ‘importlib_metadata'”?
I’m trying to upload a deployment package to my AWS lambda function following the article https://korniichuk.medium.com/lambda-with-pandas-fd81aa2ff25e. My final zip file is as follows: https://drive.google.com/file/d/1NLjvf_-Ks50E8z53DJezHtx7-ZRmwwBM/view but when I run my lambda function I get the err…
Python some for loops one action
I have three for loops with one action. How to merge this loops in one? tried: but this trick working only with ‘if’ loops Answer I’d suggest itertools.chain
How to mock subsequent function calls in python?
I’m new to testing and testing in python. I have a python class that looks like this : File name : my_hive.py I want to mock these functions : pyhive.hive.connect, pyhive.Connection.cursor(used by my class as hive.connect(hive_ip).cursor()) and pyhive.Cursor.execute (used by my class as self.cursor.exec…
How to get a string from column names and melt multiple columns in python?
I have this table and I need to melt away this table to be like the expected table where I need to get the point name (a and b) from the column name and let the bq and progress columns melt. The expected result is as below: How can do it in python? Answer Try this: Result :
How do I get stdout value from the main process immediately when there are forked processes
There’s this external python script that I would like to call. It provides an async mode so that it returns the task id before it completes the whole process. The mechanism works well when I execute in the command line. The task id returns on stdout immediately. But the main process actually forks a sub…
Can’t login my users, they don’t seem to be registering properly
I’m trying to login the users I registered in my registration view (where I get a 200 code that says POST request was successful) but I get “Unable to log in with provided credentials.” when I try to log them in. When I check in the shell with User.objects.all(), I only get my superuser back…
Reversing two elements in list, based on condition
I’m trying to implement a Bubble Sort algorithm. As it says here, the “Bubble Sort is the simplest sorting algorithm that works by repeatedly swapping the adjacent elements if they are in the wrong order.” Visual Representation ( 5 1 4 2 8 ) –> ( 1 5 4 2 8 ) So far, I have been able to id…
How to stop Recursion and return answer?
This is a sudoku solver function and I have 2 questions: Why 2nd print print the original sudoku? How can I get the sudoku solution (not print it), because I want to reuse the solution. (I have tried using return sudoku but get None) Thanks:) Answer Maybe it is not elegant but I use global list all_solutions …
How to get unique values/elements of a column?
I am trying to get the unique values of a column from a tab. The values are repeated and the file has 1,000+ lines, I just want to have the names of the values, not all, and the ones that are repeated. I’m working on my code, but when I do “RUN” it generates the separate and random letters o…