gaoxinge

Question: build py-polars with arrow2 simd error

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## environement - os: windows - rust: ``` cargo 1.62.0 (a748cf5a3 2022-06-08) release: 1.62.0 commit-hash: a748cf5a3e666bc2dcdf54f37adef8ef22196452 commit-date: 2022-06-08 host: x86_64-pc-windows-gnu libgit2: 1.4.2 (sys:0.14.2 vendored) libcurl: 7.80.0-DEV (sys:0.4.51+curl-7.80.0 vendored ssl:Schannel) os:...

rust nightly default for whole project

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Not only py-polars need nightly, but also polars need nightly. So I move rust-toolchain to root of project.

add asin func

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## What type of PR is this? - [ ] API-change - [ ] BUG - [ ] Improvement - [ ] Documentation - [x] Feature - [ ] Test...

1. remove the same code of `gradio_tools.py` and `tools.py` 2. reformat the `app_gradio.py` 3. add the text prompt to the everything mode The gradio demo of text prompt: