Thomas Cameron

I'd love to create a pull request if there isn't any problem. https://github.com/apache/arrow-datafusion/compare/master...thomas-k-cameron:arrow-datafusion:stat-should-be-None-instead-of-Some(0) **Describe the bug** Some fields of `Statistics` could return `Some(0)` when the value is not available. TODO...

**Description** I tried to play with the code found on tutorial but `df.viz.heatmap(df.x, df.y, what=np.log(vaex.stat.count()+1), selection=[None, True], limits='99.7%')` yields an error. I downloaded .ipynb from [here](https://vaex.io/docs/tutorial.html) ```python df.select(df.x > 0)...

Add serde::Serialize/serde::Deserialize to fluent_builders

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### Describe the feature It allows you to define/save models with file format supported by serde. Once this feature is implemented you can, - save your input to disk in...

An option to highlight a "Note" and "Warning" using blockquote

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### Problem Github has recently announced that they are supporting highlight feature on their markdown. I thought it would be nice if mdbook can support that out of the box....

RFC30: Add tests to ensure that `serde` attributes are not added to error types

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## Motivation and Context This is a sub-PR of https://github.com/awslabs/smithy-rs/pull/2615 During the development, I mistakenly added `serde` attributes to `error` related data types. This tests ensures that error types are...

RFC30: Add test that runs with unstable flag on

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## Motivation and Context This is a sub-PR of https://github.com/awslabs/smithy-rs/pull/2615. ## Changes It adds `test-with-serde` check in github actions, which runs all the tests with `RUSTFLAG="--cfg aws_sdk_unstable"` env variable. We...

RFC30: add Serde Decorator to RustClientCodegenPlugin

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## Motivation and Context Add new plugin to `RustClientCodegenPlugin` - This is a child PR of https://github.com/awslabs/smithy-rs/pull/2615 - This PR should be able to pass tests once https://github.com/awslabs/smithy-rs/pull/2616 is merged....

RFC30

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## Motivation and Context This PR implements features described on RFC30 except for compile time benchmark. Benchmark is submitted as a separate PR https://github.com/awslabs/smithy-rs/pull/2617. Once this PR and https://github.com/awslabs/smithy-rs/pull/2617 is...