wteuber

require 'openssl'

class String
  def encrypt(key)
    cipher = OpenSSL::Cipher.new('DES-EDE3-CBC').encrypt
    cipher.key = Digest::SHA1.hexdigest key
    s = cipher.update(self) + cipher.final

    s.unpack('H*')[0].upcase
  end

wteuber

/*
fmod for Javascript, will work with any ECMA-262 implementation.
If you need a precision higher than 8, please use another implementation of fmod.

1.05 % 0.05
  => 0.04999999999999999

Math.fmod(1.05, 0.05)
  => 0

wteuber

Audio Volume Manipulation

ffmpeg -i input.mp4 -af "volume=<volume_level>" output.mp4

input.mp4: The input video file.
-af: Stands for audio filter. This option tells FFmpeg to apply an audio filter.

wteuber

#reduce PDF size
#-dPDFSETTINGS
#  /screen
#  /ebook
#  /printer
#  /prepress

gs -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -dCompatibilityLevel=1.4 -dPDFSETTINGS=/printer -sOutputFile=out.pdf in.pdf

wteuber

// This script takes an iTerm Color Profile as an argument and translates it for use with Visual Studio Code's built-in terminal.
// 
// usage: `node iterm-colors-to-vscode.js [path-to-iterm-profile.json]
// 
// To export an iTerm Color Profile:
//   1) Open iTerm
//   2) Go to Preferences -> Profiles -> Colors
//   3) Other Actions -> Save Profile as JSON
// 
// To generate the applicable color settings and use them in VS Code:

wteuber

# Print origin/HEAD branch name (default branch)
gdb() {
  git remote show origin | grep 'HEAD branch' | cut -d ' ' -f5
}

# Print origin/HEAD branch name (default branch)
# uses ohmyzsh git plugin aliases https://github.com/ohmyzsh/ohmyzsh/blob/master/plugins/git/git.plugin.zsh
gcdb() {
  gco `gdb`
}

wteuber

inputs=($(xinput --list --id-only | sort -hr | tr "\n" " "))

for i in "${inputs[@]}"; do
  echo $i
  xinput --disable $i
done

sleep 10
for i in "${inputs[@]}"; do xinput --enable $i; done

wteuber

An error occurred while installing eventmachine (1.2.7), and Bundler cannot continue.
Make sure that `gem install eventmachine -v '1.2.7' --source 'https://rubygems.org/'` succeeds before bundling.

In Gemfile:
  github-pages was resolved to 228, which depends on
    jekyll-avatar was resolved to 0.7.0, which depends on
      jekyll was resolved to 3.9.3, which depends on
        em-websocket was resolved to 0.5.3, which depends on
 eventmachine

wteuber

# install and set up gh (https://cli.github.com/)
GH_USER=`gh auth status | grep -oue "Logged in to github.com as [^ ]*" | grep -oue "[^ ]*$"`
gh gist list -L1000 | sed -e "s/^/https:\/\/gist.github.com\/$GH_USER\//"

wteuber

git checkout -b `git log -1 --pretty=%s | ruby -e "puts gets.downcase.gsub(/[^a-zA-Z0-9]+/, ' ').strip.tr(' ','_')"`