cmd05

#define _USE_MATH_DEFINES
#include <math.h>
#include <iostream>
#include <iomanip>

/**
 * Estimate PI using Leibiniz series
 * 1 - (1/3) + (1/5) - (1/7) + (1/9) .... = (pi / 4)
 */

cmd05

??=include <iostream>

int main() ??<
    int x<:1:> = <%??-(1??'(??-1)) ??!??! ??/
                 ??-(0??'0)%>;
    std::cout << x<:0:>;
??>

/** Golfed
??=include<iostream> 

cmd05

#include <iostream>
#include <string>
#include <algorithm>
#include <fstream>
#include <vector>
#include <map>
#include <math.h>

/* Example format for ymd_temp_readings.txt
  START

cmd05

<?php
if(isset($_POST['txt'])) {
    $value = $_POST['txt'];
}

$newtxt = preg_replace('#\*{2}(.*?)\*{2}#', '<b>$1</b>', $value); //bold **something**
$newtxt = preg_replace('#\_{2}(.*?)\_{2}#', '<i>$1</i>', $newtxt); //italics __something__
$newtxt = preg_replace('#\`{2}(.*?)\`{2}#', '<img src = "$1">', $newtxt); //image ``something.jpg/png``
$newtxt = preg_replace('#\-{2}(.*?)\-{2}#', '<br>', $newtxt); //break line ---- 

cmd05

<?php

$str ='
/**    
 * @param integer  $int  An integer
 * @return boolean
 * @postParams [display_name, username, about, email, gender, password, confirm_password]
 */
';
if (preg_match_all('/@(\w+)\s+(.*)\r?\n/m', $str, $matches)){