jinahadam

Get a Free SSL Certificate With Let’s Encrypt

Let’s Encrypt is a free, automated, and open Certificate Authority.

1. Install tools for using the Let's Encrypt certificates using Certbot

  sudo apt-get update \
  sudo apt-get install software-properties-common

jinahadam

import CoreLocation

extension CLLocationCoordinate2D {
    func boundingBox(radius: CLLocationDistance) -> (max: CLLocationCoordinate2D, min: CLLocationCoordinate2D) {
        // 0.0000089982311916 ~= 1m
        let offset = 0.0000089982311916 * radius
        let latMax = self.latitude + offset
        let latMin = self.latitude - offset
        
        // 1 degree of longitude = 111km only at equator

jinahadam

# Add this to your .oh-my-zsh theme if you're using those, or directly to your zsh theme :)

# Colors vary depending on time lapsed.
ZSH_THEME_GIT_TIME_SINCE_COMMIT_SHORT="%{$fg[green]%}"
ZSH_THEME_GIT_TIME_SHORT_COMMIT_MEDIUM="%{$fg[yellow]%}"
ZSH_THEME_GIT_TIME_SINCE_COMMIT_LONG="%{$fg[red]%}"
ZSH_THEME_GIT_TIME_SINCE_COMMIT_NEUTRAL="%{$fg[cyan]%}"

#Customized git status, oh-my-zsh currently does not allow render dirty status before branch
git_custom_status() {

jinahadam

var validCreditCard = function(a,b,c,d,e){b=a.length-1,e=0,d=~~a[b];while(b--){e++,c=~~a[b],d+=e%2?[0,2,4,6,8,1,3,5,7,9][c]:c};return(d%10==0)};

validCreditCard('378282246310005'); //=> true
validCreditCard('378282246310006'); //=> false

/*
  VALID TEST NUMBERS

  378282246310005 371449635398431 378734493671000
  30569309025904 38520000023237 6011111111111117