dvlden

/**
 * Sometimes, an element that you might need to retrieve
 * is not visible right away. It might be added later on 
 * via an asynchronous action. 
 * 
 * This is where MutationObserver in JS comes in
 * and here you can learn from example.
 *
 * Example will retrieve video element from the web page.
 */

dvlden

// Find missing numbers in the array

const numbers = [1, 2, 7, 3, 5, 4, 9]
let missing = []

for (var i = 1; i <= Math.max(...numbers); i++) {
  if (!numbers.includes(i)) {
    missing.push(i)
  }
}

dvlden

# Disable `.DS_Store` file creation on Network & USB
defaults write com.apple.desktopservices DSDontWriteNetworkStores -bool true
defaults write com.apple.desktopservices DSDontWriteUSBStores -bool true

# Check the current policy
defaults read com.apple.desktopservices