Dave Hirschfeld

Results 87 issues of Dave Hirschfeld

When I try to make multiple calls to `fs.open` in a `ThreadPoolExecutor` my program hangs :( Is `fs.sshfs` expected to be threadsafe? Is this a known issue?

bug
help wanted

## Elevator Pitch Code defined in a `%%time` cell doesn't appear to be recognised so you then get spurious warnings about e.g. undefined variables. ![image](https://user-images.githubusercontent.com/881019/123722787-625b2300-d8cc-11eb-8860-1b046654f495.png) ## Motivation Spurious warnings detract...

good first issue
lang:python

The current advice as given is: ```python # bad class JSONWriter(object): handler = None def __init__(self, handler): self.handler = handler # good class JSONWriter(object): def __init__(self, handler): self.handler = handler...

enhancement
research needed

[`pyarrow`](https://arrow.apache.org/docs/python/) is a high performance (zero copy) serialisation library designed for multi-language interop which has very fast conversion to/from pandas DataFrames. It would be great if `psycopg3` could also support...

I have a log file where each line is a JSON record. It would be handy to be able to use `rich` to pretty-print the log file to make it...

In JupyterLab it would be great if voila could register a handler for `.voila` types and allow users to choose the action - e.g. open dashboard in a new browser...

enhancement
jupyterlab-preview

When grouping by month in the notebook below you use a `pd.Grouper` object: https://github.com/chris1610/pbpython/blob/d170f4475720ca8f5fdc6770214b8f90f2197f75/notebooks/pandas-styling.ipynb#L733-L735 ..whereas the same could be accomplished by simply using the `resample` method: ```python monthly_sales = df.resample('MS',...

Similar to the `sphinx.ext.linkcode` extension: * https://www.sphinx-doc.org/en/master/usage/extensions/linkcode.html

feature

I've just built pyql with boost 1.61 and QL master on Win64 and am seeing the below errors: ``` ====================================================================== FAIL: test_smith (quantlib.test.test_heston_model.HestonModelTestCase) ---------------------------------------------------------------------- Traceback (most recent call last): File...