Beyar Beyarz

Getting started

Compile on Windows

Install msys2 (because we need mingw64, gcc and libws2_32.a)
Open msys2 or mingw64 and run pacman -S mingw64/mingw-w64-x86_64-mruby
Get MRuby and extract the folder
Run make inside the folder mruby-3.3.0, there will be a new folder called /build after the compilation, we need the file at /build/host/lib/libmruby.a
Compile using the following command gcc main.c -I"mruby-3.3.0/include" "mruby-3.3.0/build/host/lib/libmruby.a" "C:\msys64\mingw64\lib\libws2_32.a" -lm -o main or substitue "C:\msys64\mingw64\lib\libws2_32.a" with -lws2_32
Run the compiled binary main.exe

Run unix stuff in cmd

Run: choco install msys

Symlink directory (some project assume its in C:\msys64): MKLINK /D "C:\msys64" "C:\tools\msys64"

Add the following path C:\msys64\usr\bin to your PATH environment variable

Now you shoule be able to run pacman -Q, choco list | sed s/msys2/test/g, help | grep disk

Optimize video

Run

Download the script
Put this file in the same folder as your videos
Run: ruby optimize_video.rb, for help, use ruby optimize_video.rb --help

Watch log / debug

Decipher this text

Can you crack the secret message hidden within this cipher? I've taken a phrase and encoded it into a string of words that look like "meatball". It's a bit tricky, but I believe in your skills!

Cipher Text:

mEaTbALLmEAtBALLmEATbALL, mEATBalLmEAtBALLmEATbAlL mEAtbalLmEATbaLlmEAtbAlL mEATbaLLmEATbAlLmEATballmEAtbAlLmEATbaLl mEATbaLLmEAtBAlLmEAtbalLmEATbaLlmEATbAll! mEaTbALLmEAtbalLmEAtBALlmEATbAll mEAtbalL mEAtBaLlmEAtBALLmEAtbaLl? mEaTbALLmEAtbAlL'mEATbaLlmEAtbAlL mEAtBallmEAtBalLmEATbaLlmEAtBalLmEAtBALlmEAtbALL: mEAtbalLmEAtBALlmEAtbAllmEATbaLlmEAtbAlLmEATbALL@mEAtbaLlmEAtbAlLmEATbAllmEATbALLmEAtBalLmEATBallmEATbAllmEAtBAllmEAtbalLmEAtbaLlmEATbaLL.mEAtbaLLmEAtBALLmEAtBAlL


	typedef uint8_t u8;
	typedef uint16_t u16;
	typedef uint32_t u32;
	typedef uint64_t u64;
	typedef size_t umax;

	typedef int8_t s8;
	typedef int16_t s16;
	typedef int32_t s32;

	2023;Jan;Feb;Mars;April;Maj;Juni;Juli;Aug;Sep;Okt;Nov;Dec
	Södertörn;469,25;469,25;424,5;424,5;439;439;435;435;460;460;457,5;457,5
	Stockholm;497,5;497,5;425;425;460;460;465;465;529;529;485;485
	Nacka;-;-;520;520;449,75;449,75;455,25;455,25;462,5;462,5;470,25;470,25
	Solna;535;535;437,5;437,5;491,75;491,75;-;-;503,5;503,5;470;470
	Attunda;503;503;417,5;417,5;460,5;460,5;431,25;431,25;475;475;453,75;453,75
	2022;Jan;Feb;Mars;April;Maj;Juni;Juli;Aug;Sep;Okt;Nov;Dec
	Södertörn;452,5;452,5;423,75;423,75;436;436;487,75;487,75;441,25;441,25;454,75;454,75
	Stockholm;498,5;498,5;482,5;482,5;470;470;453;453;477,5;477,5;475;475
	Nacka;463,5;463,5;426;426;426,5;426,5;-;-;452,5;452,5;440;440

	def itob(number)
	decimals = []

	while (number.positive?)
	number, remainder = number.divmod(2)
	decimals << remainder
	end

	bits = decimals.length.times.map { \|i\| 2**i }
	validate_sum = 0