This Pull Request is for HacktoberFest 2020

Description of Change

Checklist

• Added description

Welcome to JavaScript community

Describe your change:

• Add an algorithm?
• Fix a bug or typo in an existing algorithm?
• Documentation change?

Checklist:

• I have read CONTRIBUTING.md.
• This pull request is all my own work -- I have not plagiarized.
• I know that p

Add quickselect algorithm. Quickselect is a selection algorithm to find the kth smallest element in an unordered list.

Tick-Tack-Toe game is not working for exception part

Description

Else part on line 247 takes you to infinite loop on getting any char value as input for position.

Expected Behavior

Currently we've implemented a bunch of functions and constraints in a "lazy evaluation" fashion, i.e., whenever we need something for a Style program, we implement it in Penrose. We're getting to the point where we should really have a more complete/comprehensive list (e.g., that users can call at will).

How do we come up with this list? One natural idea is to simply pick some libraries, and

Is your feature request related to a problem? Please describe.

If I want to read data from a webDav/http endpoint using an oidc token, I'd need to be able to pass the token somehow in ROOT to the Davix client wrapper. Possibly through env variable and rootrc.

Describe the solution you'd like

Make the Davix client wrapper able to take the token from env variable and rootrc.

Addi

igraph has some examples in the documentation. We need more short educational example programs. Contributions of such examples are very welcome.

If you would like to contribute, please post in this thread and ask for guidance.

In short,

• Contributions should target the develop branch
• See how examples appear in the documentation e.g. at [igraph_small](https://igrap