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Thank you for reaching out and helping us improve Vaex!
Before you submit a new Issue, please read through the [documentation](https://docs.vaex.io/en/latest/). Also, make sure you search through t…
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Hello vaex-Team,
first of all thank you for the great work.
I didn't find a similar request or a solution so I hope you can help me here.
I'm really new to vaex and big data, so maybe there is a si…
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**Description**
Hello ! We're deploying Vaex as the official HDF5-library in our code, and it gives great results !
We encountered one problem building the documentation. The documentation is …
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```
mysql 8.0
select count(*) from test;
990000
```
```
for df in pd.read_sql('select * from test', chunksize=10000,con=conn):
df_v = vaex.from_pandas(df)
df_v.export_hdf5('/tmp/test…
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**Description**
Timestamps seem to be quite troublesome. I checked the other issues related to timestamps.
- 2 are reporting trouble with respect to reading/writing to/from parquet. (#646, #587)
- …
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Thank you for reaching out and helping us improve Vaex!
Before you submit a new Issue, please read through the [documentation](https://docs.vaex.io/en/latest/). Also, make sure you search through t…
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Thanks for the report, could you try to isolate the issue? Maybe generate some fake data to trigger this, so it's easy for us to replicate? If so, could you open a new issue for this?
_Originally p…
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**Description**
When converting tsv files, it would be nice to specify the directory where the vaex lock files go. If we could create an option for example:
```
vx.from_csv(path_to_file, lock_fo…
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**Description**
I find a bug in the export_csv function which is implemented in dataframe.py.
`use_df.export_csv(outfn, header=False, quoting=None)`
```
{
Traceback (most recent call last):
…
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I have a request:
After groupby a vaex dataframe, how can I get the first row of each group to build a new vaex dataframe?
for example:
import numpy as np
import vaex
x…