Leo Ventyk leofun01

💭

Migrated to Codeberg.

Dived into the math again.

leofun01 / SomeType.cpp

Created May 22, 2021 22:05

C++ enum template

	#include "SomeType.hpp"

	#define S SomeType
	#define T unsigned char

	S operator&(S const l, S const r) { return (S)((T)l & (T)r); }
	S operator^(S const l, S const r) { return (S)((T)l ^ (T)r); }
	S operator\|(S const l, S const r) { return (S)((T)l \| (T)r); }

	S &operator&=(S &l, S const r) { return l = l & r; }

leofun01 / OldWindowsPhotoViewer.bat

Created December 13, 2020 17:54

Batch script to open image using old Windows Photo Viewer

start %SystemRoot%\System32\rundll32.exe "%ProgramFiles%\Windows Photo Viewer\PhotoViewer.dll", ImageView_Fullscreen %~1

leofun01 / Connect-PPPoE-and-HideCredentials.bat

Last active October 30, 2020 15:04

Batch script to connect Windows to the internet using PPPoE.

	cls && echo Connect ... && %WinDir%\System32\rasdial.exe "Connection name" "login" "password"
	cls && echo Disconnect ... && pause
	%WinDir%\System32\rasdial.exe "Connection name" /DISCONNECT && cls
	cls

leofun01 / Main.cpp

Last active October 28, 2019 08:17

Matrix_for_topic_11158

	// Main.cpp

	#include <ctime>
	#include <iostream>
	#include "Matrix.h"

	int main(int argc, char const *argv[]) {
	Matrix<int> matrix(3, 5);
	srand(time(nullptr));
	matrix.init([]() -> int { return rand() % 10; });

leofun01 / MagicNumberHex8CA75BE0.c

Last active January 12, 2019 16:02

Unordered output of 32 values (from 0 to 31) using magic number.

	#include <stdio.h>
	int main(void) {
	unsigned int v3 = 2359778272; // bin(10001100101001110101101111100000) == dec(2359778272) == hex(8CA75BE0)
	do
	printf(" %i", v3 & 31);
	while(v3 >>= 1);
	return 0;
	}
	// Output: 0 16 24 28 30 31 15 23 27 13 22 11 21 26 29 14 7 19 9 20 10 5 18 25 12 6 3 17 8 4 2 1

leofun01 / MagicNumberHexA6F0.c

Last active January 12, 2019 16:07

Unordered output of 16 values (from 0 to 15) using magic number.

	#include <stdio.h>
	int main(void) {
	unsigned short v2 = 42736; // bin(1010011011110000) == dec(42736) == hex(A6F0)
	do
	printf(" %i", v2 & 15);
	while(v2 >>= 1);
	return 0;
	}
	// Output: 0 8 12 14 15 7 11 13 6 3 9 4 10 5 2 1

leofun01 / MagicNumberHexB8.c

Last active January 12, 2019 16:12

Unordered output of 8 values (from 0 to 7) using magic number.