laszlokorte

<?php

file_put_contents(__DIR__ . '/test.txt', "Hello World");

?>

laszlokorte

// Only scalar values, both for parameters and return values.
// Calculation must be split into 2 methods. Ugly code, duplicate calculations.
public final class VectorMath {
	
	public static double getRotatedX(final double x, final double y,
			final double angle) {
		return x * Math.cos(angle) - y * Math.sin(angle);
	}

laszlokorte

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionAdapter;

import javax.swing.Box;

laszlokorte

Running Ball Drop
Ball Drop (10 steps, 10 solve loops) : 27 ms  (370.3703703703704 steps/second)
Checksum: -1.8194444444444444

Ball Drop (10 steps, 30 solve loops) : 10 ms  (1000.0 steps/second)
Checksum: -1.8194444444444444

Ball Drop (100 steps, 10 solve loops) : 39 ms  (2564.102564102564 steps/second)
Checksum: -30.69444444444442

laszlokorte

Running Ball Drop
Ball Drop (10 steps, 10 solve loops) : 23 ms  (434.7826086956522 steps/second)
Checksum: -1.8194442838430405

Ball Drop (10 steps, 30 solve loops) : 9 ms  (1111.111111111111 steps/second)
Checksum: -1.8194442838430405

Ball Drop (100 steps, 10 solve loops) : 42 ms  (2380.9523809523807 steps/second)
Checksum: -30.694456100463867

laszlokorte

#lang racket

(define (anfangskurs A B D)
  (define alpha (my-acos (/ (- (sin B) (* (cos D) (sin A))) (* (cos A) (sin D)))))
  (cond
    [(< 180 alpha) (- 360 alpha) alpha]))

laszlokorte

#lang racket

(define (degree->cardinal degree)
  (case (modulo (inexact->exact (round (* 32 (/ degree 360)))) 32)
    ((0) "N")
    ((1) "NbE")
    ((2) "NNE")
    ((3) "NEbN")
    ((4) "NE")
    ((5) "NEbE")

laszlokorte

#lang racket

(define (helper dir1 dir2 sub)
  (cond
    [(= sub 1) dir1]
    [(= (modulo sub 4) 0) (string-append "b" dir1)]
    [(= (modulo sub 2) 0) (string-append "b" dir2)]
))

(define directions "NESESWNW")

laszlokorte

#lang racket

(define (degree->radian degree)
  (* (/ (* 2 pi) 360) degree))

(define (radian->degree radian)
  (* (/ 360 (* pi)) radian))

(define (my-acos alpha)
  (if (= alpha 0)

laszlokorte

<?php

/**
 * Is this possible in php5.4 using traits?
 */

trait Hashmap {

  public function set($key, $val) {
    $this->data[$key] = $val;