nijikokun

  var user = {
    validateCredentials: function (username, password) {
      return (
          (!(username += '') || username === '') ? { error: "No Username Given.", field: 'name' }
        : (!(username += '') || password === '') ? { error: "No Password Given.", field: 'pass' }
        : (username.length < 3)                  ? { error: "Username is less than 3 Characters.", field: 'name' }
        : (password.length < 4)                  ? { error: "Password is less than 4 Characters.", field: 'pass' }
        : (!/^([a-z0-9_-]+)$/i.test(username))   ? { error: "Username contains invalid characters.", field: 'name' }
        : false
      );

arosenhagen

Magento Code Snippets

Download extension manually using mage

./mage config-set preferred_state stable
./mage clear-cache
./mage sync
./mage download community Module_Name

grigs

if (typeof (AC) === "undefined") {
    AC = {}
}
AC.Detector = {
    getAgent: function () {
        return navigator.userAgent.toLowerCase()
    },
    isMac: function (c) {
        var d = c || this.getAgent();
        return !!d.match(/mac/i)