Rsa97

span.spades::before {
  content: "\2660";
}

$str = preg_replace('/(?<=^|\.)(\d\.)/', '0$1', $str);

function chance($arr) {
  $total = array_sum($arr);
  $rand = rand(1, $total);
  foreach($arr as $key => $prob) {
    $rand -= $prob;
    if ($rand <= 0) {
      return $key;
    }
  }
}

print chance(array('test' => 50, 'tost' => 10, 'tost1' => 40));

No 'Access-Control-Allow-Origin' header is present on the requested resource.

$info = pathinfo("file.txt");
$newName = "{$info['filename']}(1).{$info['extension']}";

SELECT * 
  FROM `table` AS `t1`
  JOIN `table` AS `t2` ON `t1`.`user_id` < `t2`.`user_id` 
    AND `t1`.`date_start` <= `t2`.`date_end` AND `t2`.`date_start` <= `t1`.`date_end`

UPDATE `table` AS `t`
  JOIN (
    SELECT MIN(`id`) AS `min`, `value`
      FROM `table`
      GROUP BY `value`
  ) AS `t1` ON `t1`.`value` = `t`.`value`
  SET `t`.`min_id` = `t1`.`min`

In MySQL, JOIN, CROSS JOIN, and INNER JOIN are syntactic equivalents (they can replace each other).