I am having my first ever Python exam this Monday, and am naturally very nervous! I am currently going through some old exams and this question appeared: “What result of the following code will appear on the terminal?” I tested it, and the answer is 1. However, I can’t seem to wrap my head a…
Save DataFrame to csv encounters error “ImportError: cannot import name ‘StringIO'”
I have a pandas DataFrame output_df that I can manipulate or print without problems. However, when I run output_df.to_csv(output_filename), it gives an error: My pandas version is 0.25.1 Answer got it from here It seems that you have to downgrade your pandas version to 0.24.2 or lower. Hope it helps
How to use wildcards in keyword wildcard_constraints
For example, I have the following wildcards. I am trying to contrain my dataset with my group. for example, I want to create A1/file.A.txt A2/file.A.txt A3/file.A.txt B1/file.B.txt … I wrote a following rule hoping to make that possible oops, I got the error It seems like that the {group} is regarded as…
Read avro files in pyspark with PyCharm
I’m quite new to spark, I’ve imported pyspark library to pycharm venv and write below code: , everything seems to be okay but when I want to read avro file I get message: pyspark.sql.utils.AnalysisException: ‘Failed to find data source: avro. Avro is built-in but external data source module …
Python: How to Use Requests Library to Access Flask RestPlus API hosted on Google App Engine?
I built a rest api using flask restplus and I tested it using the swagger documentation, and it seems to be fully functional and working just fine. I now want to test the API using the python requests library, but I’m getting the following error: I imagine this is because I did not authorize using the c…
mysql-connector-python query with WHERE IN
I am trying to query a table with WHERE IN condition using mysql-connector-python like this: And I get the following error: How can I get it working? Answer You should add “” in ids to be a String and also ‘,’ should be replaced with ‘%’ E.g.
AWS CDK How to include principals in IAM policy?
Hi I am working on AWS CDK. I am trying to create resource based policy. Below is my cloud formation template. Below I am trying to create same using CDK. This results in below error Error: Expected object reference, got “arn:aws:iam::123:root” Can someone help me to write correct syntax using pyt…
No longer able to retrieve pip login credentials in the Connect to Feed view
In the Artifacts > Connect to Feed view, there used to be a way to get the pip username and password. Now this has been removed and there is an instruction get an artifacts keyring. Is there any way to retrieve the pip password or go back to the old view? Answer Is there any way to retrieve the pip
Poetry and PyTorch
I’ve recently found poetry to manage dependencies. In one project, we use PyTorch. How do I add this to poetry? We are working on machines that have no access to a CUDA GPU (for simple on the road inferencing/testing) and workstations where we do have access to CUDA GPUs. Is it possible to use poetry to…
How to attach mulitple files in PDF?
I have a list of objects: List = [‘Doc1.xlsx’,’Doc2.csv’,’Doc3.pdf’] and a list of their names: List1 = [‘Doc1_name.xlsx’,’Doc2_name.csv’,’Doc3_name.pdf’]. I need to attach them in existing PDF. I tried with the folowing code, which works…