atoz-programming-tutorials

#include <windows.h>
#include <gdiplus.h>

LRESULT CALLBACK WindowProcessMessages(HWND hwnd, UINT msg, WPARAM param, LPARAM lparam);
void draw(HDC hdc);

int WINAPI WinMain(HINSTANCE currentInstance, HINSTANCE previousInstance, PSTR cmdLine, INT cmdCount) {
	// Initialize GDI+
	Gdiplus::GdiplusStartupInput gdiplusStartupInput;
	ULONG_PTR gdiplusToken;

atoz-programming-tutorials

#include <windows.h>

LRESULT CALLBACK WindowProcessMessages(HWND hwnd, UINT msg, WPARAM param, LPARAM lparam);

int WINAPI WinMain(HINSTANCE currentInstance, HINSTANCE previousInstance, PSTR cmdLine, INT cmdCount) {
	// Register the window class
	const char *CLASS_NAME = "myWin32WindowClass";
	WNDCLASS wc{};
	wc.hInstance = currentInstance;
	wc.lpszClassName = CLASS_NAME;

atoz-programming-tutorials

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

#include <SDL2/SDL.h>

// Utility macros
#define CHECK_ERROR(test, message) \
    do { \

atoz-programming-tutorials

#include <iostream>
#include <sqlite3.h>

int main() {
	sqlite3 *db;
	int fd = sqlite3_open("mydb.db", &db);

	if (fd == SQLITE_OK) {
		std::cout << "Success opening the database.\n";
	}

atoz-programming-tutorials

// Check video tutorial at https://www.youtube.com/watch?v=GVMrllOh44U
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <time.h>

#include <SDL2/SDL.h>

// Utility macros
#define CHECK_ERROR(test, message) \

atoz-programming-tutorials

// OpenCV 3 demo - Convert a color image to gray
// See YouTube tutorial https://www.youtube.com/watch?v=9lra7lTKpbs
#include <opencv2/opencv.hpp>
#include <iostream>
#include <string>

int main() {
    const std::string img_file{"water.png"};

    // Check if we can open the file

atoz-programming-tutorials

#include <cstdio>
#include <cstdlib>
#include <ctime>
#include <cstring>

#include "SDL.h"

// Get a random number between 0 and 255
int randCol()
{