David Charles DavidDexterCharles

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Getting Started

These instructions will get you a copy of the project up and running on your local machine for development and testing purposes. See deployment for notes on how to deploy the project on a live system.

Prerequisites

Frontend Development

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Gist shortlink: https://git.io/vV0xB

Official Living Doc for Postgres in C9: https://community.c9.io/t/setting-up-postgresql/1573

@mikeumus' Postgres in Cloud9 Notes:

http://stackoverflow.com/questions/28177912/postgres-database-setup-on-cloud9-asks-for-sudo-password
http://stackoverflow.com/questions/11919391/postgresql-error-fatal-role-username-does-not-exist
$ sudo -u postgres -i or sudo sudo -u postgres psql <-- use this one in C9
$ sudo -s then sudo -u postgres psql or sudo su - postgres
$ createuser -d -P -s starseed

	DISK USAGE
	df -h # Show free and used space on mounted filesystems
	df -i # Show free and used inodes on mounted filesystems
	fdisk -l # Display disks partitions sizes and types
	du -ah # Display disk usage for all files and directories in human readable format
	du -sh or du -hs # Display total disk usage off the current directory
	du -hs * \| sort -h # Sort du -h output by size

	FILE AND DIRECTORY COMMANDS
	ls -al # List all files in a long listing (detailed) format


	function find_lis(){

	var nums_str = document.getElementById('sequence_box').value;

	var nums_temp = nums_str.split(',');

	/* do not want to use the zero index. */
	nums_temp.unshift(0);

	/* Bootstrap 4 - https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css */

	.active
	.alert
	.alert-danger
	.alert-dark
	.alert-dismissible
	.alert-heading
	.alert-info
	.alert-light

	// Node.js CheatSheet.
	// Download the Node.js source code or a pre-built installer for your platform, and start developing today.
	// Download: http://nodejs.org/download/
	// More: http://nodejs.org/api/all.html


	// 0. Synopsis.
	// http://nodejs.org/api/synopsis.html

	void addone(int n, int B[])
	{
	int i=n;
	while(i>=1 && B[i]==1){
	B[i]=0;
	i--;
	}
	if(i>=1)
	B[i]=1;
	}//This is for when most significant bit in B[1] and least significant bit in B[n]

	/* December 2005 Question 3 */
	/* (b) In a treasure hunt, a retangular field is divided into m rows and n */
	/* columns. Starting from a square in the left column, a player must move */
	/* to a square in the right column, collectine 'treasure' as he moves from*/
	/* square to square. At each step, a player can move diagonally to: */
	/* the square to his left in the next column provided he is not */
	/* already in the top row */
	/* or to his right in the next column, provided he is not already in */
	/* the bottom row. */
	/* */

	/*************************************************************************
	*
	* This code generates a magic square for odd or even number.
	* Based on methods :
	* http://www.1728.org/magicsq1.htm - odd
	* http://www.1728.org/magicsq2.htm - doublyEven
	* http://www.1728.org/magicsq3.htm - singlyEven
	* code by : uugan
	* date : 01.06.2013
	* Compilation: javac MagicSquare.java