loriopatrick

import java.sql.*;
import java.util.Date;
import java.sql.Connection;
import java.util.ArrayList;

public class Database {
    public Database(String server, String port, String user, String pass, boolean connect) {
        this.server = server;
        this.port = port;
        this.user = user;

loriopatrick

def is_prime (num):
   to = int(pow(num, 1/2)) + 1
   for x in range (2, to):
      if num % x == 0:
         return False
   return True

loriopatrick

import string
from math import floor, ceil

CHARS = string.ascii_lowercase # + string.ascii_uppercase + string.digits

def gen_key (num, chars=CHARS):
    """
    example with chars='ABC'
    num | return
    0   | A

loriopatrick

def isbn_13_to_10 (isbn):
    count = 0
	isbn = isbn[3:12]
	for x in range(0, 9):
		count += int(isbn[x]) * (10 - x)
	z = (11 - (count % 11)) % 11
	if (z == 10):
		z = 'X'
	return isbn + str(z)

loriopatrick

Exam 1 Covers ch 9, 10, 20, 24 with book Chemistry A Molecular Approach

I am writing this without revision (because I'm lazy), so if something needs refining, there is an error, and/or there is a better way of explaining something, please mention it in the comments.

Chapter 9

Definitions

Electronegativity:

loriopatrick

#include <stdio.h>
#include <stdlib.h>
#include <string.h>


void encrypt (char * msg, int msg_len, char * key, int key_len) {
    int i, p;
	char c;
	for (i = 0; i < msg_len; i++) {
		c = msg[i];

loriopatrick

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>

// note, in binary 0x80 = [10000000], 0x7F = [011111111]
#define CHARS(BITS) (int)(((BITS) - (((BITS) - 1) % 8)) / 8) + 1
#define BIT(DATA, POS) ((DATA[(int)((POS) / 8)] & (0x80 >> ((POS) % 8))) != 0)
#define SET0(DATA, POS) DATA[(int)((POS) / 8)] &= (0x7F >> ((POS) % 8) | 0x7F << (8 - ((POS) % 8)))

loriopatrick

Physics Exam 1 Study Guide

Coulomb's Law / Electric Field ch.23

(units= N)

loriopatrick

#include <stdio.h>
#include <stdlib.h>

#include "SDL2/SDL.h"
#include "SDL2/SDL_opengl.h"

int main(int argc, char** argv) {
    // init
    SDL_Init(SDL_INIT_EVERYTHING);
    SDL_Window* window = SDL_CreateWindow("SDL2/OpenGL Demo", 0, 0, 640, 480, SDL_WINDOW_OPENGL|SDL_WINDOW_RESIZABLE);

loriopatrick

package audiosource;

import javax.sound.sampled.*;
import java.io.IOException;
import java.nio.ByteBuffer;

public class Listener {
    public Listener() throws LineUnavailableException {
        audioFormat = new AudioFormat(AudioFormat.Encoding.PCM_SIGNED, sampleRate, sampleSize,
                channels, sampleSize / 8 * channels, sampleRate, true);