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Allowing users to set custom parsers would be very helpful. It could allow them things like:
```kt
class User(val name: String, val age: Int) {
override fun toString() = "user-$name-$age"
}
…
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### Missing functionality
After databricks runtime 14, the dataframe type is changed in notebook. It was `pyspark.sql.dataframe.DataFrame`, but now it is `pyspark.sql.connect.dataframe.DataFrame`
…
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### Checklist
- [X] I have searched the [existing issues](https://github.com/streamlit/streamlit/issues) for similar issues.
- [X] I added a very descriptive title to this issue.
- [X] I have pro…
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### Describe the bug, including details regarding any error messages, version, and platform.
Related to https://github.com/apache/arrow/issues/44640
When attempting to convert a pandas dataframe t…
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The below script works on v11 but fails on v12.
The MDX View used as the source view for the unbound TI produces a different data source in v12 compared to v11.
This needs to be raised with IBM…
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### Is your feature request related to a problem or challenge?
Pivoting and unpivoting is a common use case for data scientists, this is currently missing in the DF api.
### Describe the solution yo…
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My LEXCI benchmarks produce an odd empty line in my data frame
![image](https://github.com/user-attachments/assets/48b48bc9-6865-4230-8118-dd3ae72c8527)
The [raw perflog](https://github.com/user…
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### Pandas version checks
- [X] I have checked that this issue has not already been reported.
- [X] I have confirmed this bug exists on the [latest version](https://pandas.pydata.org/docs/whatsnew/i…
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Hi,
I'm trying to extract weather data for approximately 40K observations with site coordinates and dates. Is there a better way to do this than my code below that avoids this error?
```
libra…
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Currently, the extension concatenates multiple row indices into one index like 'layer1,layer2,layer3'. It would be amazing if the data was displayed similar to how vscode jupyter inline displays them.…