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Research: Explanation needed for the tree data structure used in Slab

1

What I understand till now is that is a [binary tree](https://github.com/project-serum/serum-dex/blob/de0ccfd9a32c80988a8eb04a577462130ca77dd1/dex/src/critbit.rs#L35) is used to store bid/ask data: 1. [Inner nodes](https://github.com/project-serum/serum-dex/blob/de0ccfd9a32c80988a8eb04a577462130ca77dd1/dex/src/critbit.rs#L31) can have upto 2 children (hence binary). Children can either...

Currently with [`NewOrderInstructionV3`](https://github.com/project-serum/serum-dex/blob/1f6d5867019e242a470deed79cddca0d1f15e0a3/dex/src/instruction.rs#L104), each order requires a separate CPI call. It is possible for smart contracts placing multiple orders to run out of computational units. Currently we're facing this issue...

We wish to fork and use this repo for the hackathon, but it has no open source license. [According to this link](https://choosealicense.com/no-permission/) > If you find software that doesn’t have...

feat: Make utility modules public

2

Makes the function `build_binary_checker()` and modules `checker`, `error`, `finder` and `helper` public. Context, I wish to run `which_all()` with a custom `path`. As you see `env::var_os("PATH")` is a hardcoded value....

Rename const variable to SIGN_IN_RESULT_CODE

3

The starter and finished code use a const variable `SIGN_IN_RESULT_CODE`. However this variable is incorrectly named as `SIGN_IN_REQUEST_CODE` in comments. The [**Codelabs tutorial task 6: Implement the login button**](https://codelabs.developers.google.com/codelabs/advanced-android-kotlin-training-login/index.html?index=..%2F..advanced-android-kotlin-training#5) also...

**Describe the problem** The constant name used in [**Codelabs 6.1 task 6: Implement the login button**](https://codelabs.developers.google.com/codelabs/advanced-android-kotlin-training-login/index.html?index=..%2F..advanced-android-kotlin-training#5) `SIGN_IN_REQUEST_CODE` is different from the name `SIGN_IN_RESULT_CODE` used in the starter and finished code....

Fixes #20 **In which lesson and step of the codelab can this issue be found?** Lesson 1.1, Step 6

Fixes #20 **In which lesson and step of the codelab can this issue be found?** Lesson 1.1, Step 3

**Describe the problem** The starter and finished code have typos in `README.md` file: 1. 'Add **notitications** to the eggtimer app' 2. '**Swtich** to start branch' **In which lesson and step...