Python 2 and 3 co-exist in Windows. How to switch either python 2 or python 3...
Installed python 2.7 in C:\Python27 long time ago. All tools are working with python2. And now I'd like to upgrade it into python 3 in C:\Python3. There are commercial tools like perforce and...
View ArticlePandas dataframe: how to multiply a specific value by using its row index?
I want to change specific values in a Pandas dataframe. Here is an example dataframe (in reality, there are many more rows): Value Property0 CH4 Type1 -10.90979 Density (g/cm3)2 5.00000 Temperature...
View Articleslow matrix multiplication: tensor.to("cuda:0") doesn't change the current...
The following code snippet shows the matrix multiplication took 21 seconds on my laptop with CPU Core i7-11800H and GPU Nvidia RTX 3070 with 8GB of VRAM.In particular, the code shows the CUDA is...
View Articlehow do I extract things with weird ids and class names using scrapy and...
I am trying to extract data from this website:https://catalog.registrar.ucla.edu/major/2022/mathematicsofcomputationbs?siteYear=2022I'm starting off by trying to get the "Overview" text using both CSS...
View Articlehow to integrate an MTN Momo or orange money payment system into your...
Integrate an MTN Momo and Orange Money payment system using their APII also need another reliable and efficient way to integrate these different APIsWhen wanting to integrate the API thanks to their...
View ArticleSQLite3 read issue with multiple simultaneous access to db
I am having some trouble with data reads with my SQLite3 database.Context:I have built a python program that relies on two scripts running in parallel:Script1: Reads on an ongoing basis (on a...
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Printing pandas frame -- headers misaligned
I am trying to print a pandas frame which has a two-level column index. I issue the following command in IPYthonprint(WEO_diffs)The frame has column indexes as followsIn [862]:...
View ArticleIs it possible to access the context object (code block) inside the...
I would like to invoke the code object again in the exit() method if it raises an exception (maybe several times, maybe with delay). I know it is very easy to do with a decorator, but my motivation is...
View ArticleTunnel a TCP connection from local system to cloud
I have a custom TCP server on port 7777 and a client that connects to that server and performs some tasks. The server accepts multiple client connections../server./clientSince the Server and Client...
View ArticleRobot detection System with Opencv
Hello I want the white cylindrical robot with a height of approximately 30 cm to detect other robots with the same features. What can I do for this? I have a dataset. In this dataset, there are many...
View ArticleHow to read DeltaTable on azure storage account using GraphQL?
I'm looking for different ways to read DeltaTable on Azure Storage account using API's.One option i find is using delta-rs to read the Delta Table and expose that as Azure Functions.I was wondering is...
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Google Colab unable to Hugging Face model
I like to tag parts of speech using the BERT model. I used the Hugging face library for this purpose.When I run the model on Hugging face API I got the outputHowever, when I run the code on Google...
View ArticleHow generate list costumers (chunked) for each month and years , need for...
i need to understand how i can make a generete list for book list of costumers for each month and years.In my file .txt i have list mail (like 5000) costumers and need reserve booking for max 500...
View ArticleGoogle colab - python - AttributeError: 'csr_matrix' object has no attribute...
I am trying to create a code that generates the matrix-vector product (sparse-matrix multiplied by vector).But I'm getting the following error. -<ipython-input-13-b43c92e5efc9>:50:...
View ArticleError trying to use SQLDatabaseChain with Aurora MySQL
I'm trying to tinker with Langchain following this example (https://coinsbench.com/chat-with-your-databases-using-langchain-bb7d31ed2e76). Instead of using PostgreSQL I'm trying to connect to a MySQL...
View ArticleI want to extract to data via API from catalog.beer [closed]
I want to extract to data via API from catalog.beer.What I want to doI want to extract following data from catalog.beer."id""style""name""description""abv""ibu"problemI have already extract id ,...
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PY4E: Can't retrieve file from the url link entered
SO community, please help!I was doing the exercise 1 for chapter 12 of PY4E and could not figure out why the file wouldn't print out in terminal and I got the response of "HTTP/1.1 404 Not...
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Creating a new column by a condition and selecting the maximum value by shift
This is my DataFrame:import pandas as pddf = pd.DataFrame( {'a': [10, 20, 30, 400, 50, 60],'b': [897, 9, 33, 4, 55, 65] })And this is the output that I want. I want to create column c. a b c0 10 897...
View ArticleIs there any way to sleep any bodies in space with pymunk?
if event.key == pygame.K_SPACE: if are_objects_sleeping == False: for i in objects: i.sleep_with_group(i)As you can see, when the Space bar is pressed, the objects(body in space) go to...
View ArticleBreaking up dataframe into chunks for a loop
I am using a loop (that was answered in this question) to iteratively open several csv files, transpose them, and concatenate them into a large dataframe. Each csv file is 15 mb and over 10,000 rows....
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