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Samantha Wittke, CSC - IT Center for Science, Finland
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The CodeRefinery project
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CodeRefinery workshops
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The community
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How you can engage, contribute to, and benefit from our resources
.center[
Sustainable: Here not "green”, but the software’s ability to endure, evolve, and remain useful over time.
]
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Many researchers write code but lack formal training
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Good/Reproducible coding practices don't have immediate rewards
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Collaboration on / reuse of code can be frustrating and inefficient
-> Research code is often poorly documented and non-reproducible
.center[.remark["I put the code on GitHub and then it can be reused, no?"]]
.center[.remark["It works on my machine"]]
Our mission since 2016:
- A community-driven, publicly funded project
- Hands-on training in practical coding tools and techniques for researchers
- Focus on “good enough” software engineering practices to improve efficiency in small steps
- Support for Open Science and FAIR software development
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Similar efforts: DIGITAL RESEARCH ACADEMY,INTERSECT, SURESOFT and many more ...
~ 15 persons in-kind + volunteers
.remark[Topics which are helpful for researchers and essential for Research Software Engineers (RSE).]
.center[
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.left-column50[
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Introduction to version control
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Collaborative version control
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Reproducible research
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Social coding and open software
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.right-column50[
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Documentation
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Reusable and reproducible Jupyter notebooks
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Automated testing
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Modular code development ]
.center[ All modular lesson materials available under CC BY 4.0 license + youtube recordings of every workshop. ]
We use Sphinx/sphinx-lesson to build our lessons from Markdown.
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- Format: Online first
- Hands-on exercises - Not just lectures, but hands-on tool experience
- Bring your own team/classroom - Learn alongside peers with local support
- Programming language and domain agnostic - is the goal
- Beginner-friendly - No prior experience with the tools we teach required!
- Interactive, anonymous, parallel, async
- New question every 1-2 minutes!
- ASCII-graph feedback
We publish Q&A for each workshop: Example
Tested in 10 large online and 28 in-person workshops
- We reach over 500 persons/year
- Over 30 instructors / speakers
- Over 100 helpers / exercise leaders
.remark["Thank you for six great days of learning Git, testing, modular code, Sphinx (!) and more. I already started incorporating Sphinx in my current project."]
.remark["I write my codes now in such a way that the person who will be taking over my job would have less time figuring out what is going on."]
Results from post-workshop survey 2024
- Sent out to workshop participants from 2022 and 2023
- 129 answers
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- Networking - Connect with peers and experts.
- Collaborative projects - Work with others on teaching and outreach.
- Specialized workshops - Covering High-Performance Computing (HPC) and more.
.remark[You can join the community too - It's not limited to the Nordics!]
✅ Join a workshop as a learner or observer
✅ Use lesson materials and recordings for self-learning
✅ Bring your team and learn together
✅ Host a local classroom for others to learn together
✅ Use CodeRefinery materials for your own training
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Teach with us - Become a co-instructor
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Contribute to lesson materials - Improve and expand lesson content
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Provide feedback - Help us refine teaching and materials
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Connect - Join the community and help us connect to others too
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Visit coderefinery.org
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Follow newsletter
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Register for an upcoming workshop
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Become an ambassador
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Join the community discussions in Zulip: https://coderefinery.zulipchat.com
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Follow us on social media (BlueSky, Mastodon, LinkedIn) & stay connected
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Contact us if you have any questions: support@coderefinery.org
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- September 9-11 2025 + 6 following Wednesdays
- For free and online
- Some locations with in-person classrooms
- Registration will open soon -> Follow our newsletter to get latest news
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- All text: CodeRefinery project, CC-BY 4.0
- Slide 6: ATC tower, P. R. Miller, CC-BY 2.0
- Slide 6: Monitor setup, R. Darst
- Slide 6: Logos, (c) respective organizations
- All other images: CodeRefinery project, CC-BY 4.0