raphaelrk

Writing 2D Games in C using SDL
cs50 seminar

Simple DirectMedia Layer
Windows Max Linux iOS Android
input/output- audio, keyboard, mouse, joystick, graphics
Source engine

goals:
install libraries

raphaelrk

talked about javascript, functions/passing functions, objects, classes, async/callbacks


audio as a pipeline

source is audio data generater or loaded
oscillator, mp3, mic

destination is output
laptop speakers, ScriptProcessorNode

raphaelrk

"Web Apps of the Future with React"
by Neeh Mehta for cs50

React is a framework
Used on facebook, insta, KA

React DOM for web
React Native for Android, iOS

Components: HTML tags on steroids

raphaelrk

cs50 R seminar by Connor Harris notes

more info:
https://cran.r-project.org/doc/manuals/R-intro.pdf
http://www.stat.cmu.edu/~cshalizi/ADAfaEPoV/

Types: numeric(float), character(string), logicalbool), coercion(scanf())
Vectors (1d array), matrices, high-dim arrays of above types
Lists: associate array. Vecs of lists bevahve oddle
No real pure atomic types. Single values are arrays of length one

raphaelrk

#define LETTERS_HASHED 4

// a word is short if it is <= LETTERS_HASHED letters long
struct ll_node
  ll_node* next
  char str[LENGTH]

ll_node* tofree;
ll_node hashtable[32 ** LETTERS_HASHED];

raphaelrk

// by Raphael Rouvinov
// for stat 110 pset 3

#include <stdio.h>

int main(void)
{
    double sum = 0;
    
    for(int j = 1; j <= 48; j++)

raphaelrk

Board B:
[11 12 ... 1n]
[21 22 ... 2n]
[.. .. ... ..]
[n1 n2 ... nn]

Board contains unique elements 0,1,...,n-1
We will denote 0 as 'E'

Want board s.t. element at (r,c) = (rn + c + 1) % n*n

raphaelrk

/*** java pseudocode ***/

/* a NumTuple holds a number and the frequency of its occurences */
class NumTuple {
 int num, freq = 1;

 public numTuple(num) { this.num = num; }
}

ArrayList frequencySort(int[] array) {

raphaelrk

var peopleLists = document.getElementsByClassName('ss-choices');
var girlNames = [];
var guyNames = [];

for(var list = 0; list < peopleLists.length; list++) {
  var peopleHTML = peopleLists[list].children;
  for(var person = 0; person < peopleHTML.length; person++) {
    var arr = list === 0 ? girlNames : guyNames;
    arr[person] = peopleHTML[person].innerText.slice(1).toLowerCase();
  }

raphaelrk

Keybase proof

I hereby claim:

• I am raphaelrk on github.
• I am raphaelrk (https://keybase.io/raphaelrk) on keybase.
• I have a public key whose fingerprint is 9B7E 2A1F E99B A6DC C51D FA6D 8CEB EA2E 6AFE E990

To claim this, I am signing this object: