zackdotcomputer

  # Generates a build number that will consistently increase worldwide.
  # Useful for coordinating build uploads between teams in different timezones.
  # Format is "YYYYMMDDsss" where "sss" is the 1000ths slice of the day.
  # For example, I just ran it in NYC at 5:55pm on 2020-04-27 and got back: 20200427913
  # If anyone else worldwide (with a correct system clock) runs it after this,
  # they will get a bigger number guaranteed.
  def generate_build_number()
    time = Time.new.getutc

    date = time.strftime("%Y%m%d")

zackdotcomputer

import Foundation

extension Character {
    /// An approximation of a spec-compatible "is this an emoji" check for the character.
    /// Will recognize standard, flag, composite, tag emoji, and keycap emoji.
    /// Unfortunately, will return true for "text presented" and malformed emoji too,
    /// because I didn't do the whole CFG from Unicode.
    var isEmoji: Bool {
        // Empty character returns false
        guard let first = self.unicodeScalars.first else {

zackdotcomputer

Keybase proof

I hereby claim:

• I am zackzachariah on github.
• I am zackzachariah (https://keybase.io/zackzachariah) on keybase.
• I have a public key whose fingerprint is 876C 2E52 8A74 0E5F 3D4B 81AA 4133 FB29 EF30 72A0

To claim this, I am signing this object: