CallmeHongmaybe

### Describe the Issue When adding a new node ( or element ) to a binary search tree, I was supposed to compare the value supplied `add` method with that...

fix(UI): prevent external preview window from auto-closing

2

Checklist: - [x] I have read and followed the [contribution guidelines](https://contribute.freecodecamp.org). - [x] I have read and followed the [how to open a pull request guide](https://contribute.freecodecamp.org/#/how-to-open-a-pull-request). - [x] My pull...

fix: relocate CodeAlly banner to fit layout

1

Checklist: - [x] I have read and followed the [contribution guidelines](https://contribute.freecodecamp.org). - [x] I have read and followed the [how to open a pull request guide](https://contribute.freecodecamp.org/#/how-to-open-a-pull-request). - [x] My pull...

fix(javascript-calculator): removing +0 and -0 from the expression displayed on calculator.

2

Checklist: - [x] I have read [freeCodeCamp's contribution guidelines](https://contribute.freecodecamp.org). - [x] My pull request has a [descriptive title](https://contribute.freecodecamp.org/#/how-to-open-a-pull-request?id=prepare-a-good-pr-title) (**not** a vague title like `Update index.md`) Partially closes [#49045](https://github.com/freeCodeCamp/freeCodeCamp/issues/49045) With the...

feat(UI): Attempt on displaying an error when sourcing wrong files

14

Checklist: - [x] I have read and followed the [contribution guidelines](https://contribute.freecodecamp.org). - [x] I have read and followed the [how to open a pull request guide](https://contribute.freecodecamp.org/#/how-to-open-a-pull-request). - [x] My pull...