# Advanced Topics

## Contents

- [Using OpenCV in Spaces](./spaces-using-opencv)
- [More ways to create Spaces](./spaces-more-ways-to-create)
- [Managing Spaces with Github Actions](./spaces-github-actions)
- [Managing Spaces with CircleCI Workflows](./spaces-circleci)
- [Custom Python Spaces](./spaces-sdks-python)
- [How to Add a Space to ArXiv](./spaces-add-to-arxiv)
- [Cookie limitations in Spaces](./spaces-cookie-limitations)
- [How to handle URL parameters in Spaces](./spaces-handle-url-parameters)
- [How to get user status and plan in Spaces](./spaces-get-user-plan)


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