Beyarz

Optimize video

Run

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

Watch log / debug

Beyarz

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

Beyarz

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

Beyarz

Used by Apple

Design, modeling & prototyping

• Sketch ¹
• Principle
• StarUML
• Cosmos
• Monokai

Beyarz

certutil -hashfile something.zip SHA256

Beyarz

install: --no-rdoc --no-ri

Beyarz

// Javascript nullish coalescing operator

// Is set to 0
let x = 0 ?? "hello"

// Is set to goodbye
let y = undefined ?? "goodbye"

// Is set to hello
let z = null ?? "hello"

Beyarz

Dig dns query

Query using local config

dig feber.se

Query using chosen resolver

dig @1.1.1.1 feber.se

Beyarz

pictures = Proc.new { |file| file.match(/(png|jpeg|jpg)/) }
Dir.entries('.').select &pictures
=> ["image1.png", "image2.png", "pic.jpg", "picture.jpeg"]

Beyarz

# &, optional chainig
[1,2,3,4,5,6][5]&.to_s
=> "6"
[1,2,3,4,5,6][6]&.to_s
=> nil

# &, map shorthand notation
to_s = Proc.new { |x| x.to_s }
=> #<Proc:0x00000001065bdef0 (irb):8>
[1,2,3].map &to_s