ankr

function calc(expression) {
    var divmultest = /[\/\*]+/;
    var divmulreplace = /(\-?[\d\.]+)\s*(\/|\*)\s*(\-?[\d\.]+)/g;
    var addsubtest = /\d+\s*[\+\-]+/;
    var addsubreplace = /(\-?[\d\.]+)\s*(\+|\-)\s*(\-?[\d\.]+)/g;
    var parens = /\(([^\(\)]+)\)/g;

    var evaluate = function (e) {
        while (divmultest.test(e)) {
            e = e.replace(divmulreplace, function (m, x, o, y) {

ankr

function greet() {
  return brainfuck('[-]>[-]<>++++++++++[<++++++++++>-]<++++.---.>+++[<+++>-]<--..+++.>+++++++++[<--------->-]<++.>+++++++++[<+++++++++>-]<++++++.>+++[<--->-]<+.+++.>++[<-->-]<--.>+++[<--->-]<+.>++++++++[<-------->-]<---.');
}

function brainfuck (i) {
  var d = [], o = [], p = 0, c = 0, l = i.length;
  while (c !== l) {
    !d[p] && (d[p] = 0);
    switch (i[c]) {
      case '<' : p--; break;

ankr

// levenshtein('boo', 'bar') => 2
var levenshtein = function (a, b, al, bl) {
  var c = 1;
  al = typeof al === 'undefined' ? a.length : al;
  bl = typeof bl === 'undefined' ? b.length : bl;

  if (!al) return bl;
  if (!bl) return al;

  if (a[al - 1] === b[bl - 1]) {

ankr

1. Create local SVN checkout

mkdir svn-repo
svn checkout svn://example.org svn-repo/

2. Create an authors list

Will create a list of all the contributers of the SVN repo.

ankr

<?php
/*
 * Ignore the top section,
 * it is just formatting to make output clearer.
 */

$format = '(%1$2d = %1$04b) = (%2$2d = %2$04b)'
        . ' %3$s (%4$2d = %4$04b)' . "\n";

echo <<<EOH

ankr

''        ==   '0'           // false
0         ==   ''            // true
0         ==   '0'           // true
false     ==   'false'       // false
false     ==   '0'           // true
false     ==   undefined     // false
false     ==   null          // false
null      ==   undefined     // true
" \t\r\n" ==   0             // true