Till

fix: flush tracer after jest environment is torn down

3

### What does this PR do? It flushes the tracer after jest environment is torn down instead of delaying the teardown. ### Motivation Fixes issues with error boundaries in React...

Not sure, if the intention was, to add an own `STYLE_GUIDE.md` to this repo. But the link is broken.

Use multi-stage builds to reduce build-time and image-size

3

I guess, we could combine the advantages of both methods `script` and `Dockerfile`. > Multi-stage builds are a new feature in Docker 17.05. With multi-stage builds, you use multiple FROM...

Special Chars like <TAB>

2

First of all: Thanks for putting those lessons together. It's a great help to get started. I reached lesson24 which contains stuff like ``. Seems like TIPP10 does not support...