$newSyntax = [
  'key' => 'value',
  'anotherKey' => 'anotherValue'
];

$oldSyntax = array(
  'key' => 'value',
  'anotherKey' => 'anotherValue'
);

<div class="col-sm-12">
    <div class="row">
      <div class="col-sm-7 five-three">
        <div class="row">
          <div class="col-sm-4">
          Column 1
          </div>
          <div class="col-sm-4">
          Column 2
          </div>
          <div class="col-sm-4">
          Column 3
          </div><!-- end inner row -->
        </div>
      </div>
      <div class="col-sm-5 five-two">
        <div class="row">
          <div class="col-sm-6">
            Col 4
          </div>
          <div class="col-sm-6">
          Col 5
          </div>
        </div><!-- end inner row -->
      </div>
    </div>​<!-- end outer row -->
 </div>

@media  (min-width: 768px) {
    div.col-sm-7.five-three {
    width: 60% !important;
    }

    div.col-sm-5.five-two {
    width: 40% !important;
    }
}

$pi = 4; $top = 4; $bot = 3; $minus = TRUE;
$accuracy = 1000000;

for($i = 0; $i < $accuracy; $i++)
{
  $pi += ( $minus ? -($top/$bot) : ($top/$bot) );
  $minus = ( $minus ? FALSE : TRUE);
  $bot += 2;
}
print "Pi ~=: " . $pi;

function photos_upload_form($form, &$form_state) {
    $form = array();

    $form['file'] = array(
        '#type' => 'file',
        '#name' => 'files[]',
        '#title' => t('Upload some photos'),
        '#description' => t('JPG\'s, GIF\'s, and PNG\'s only, 10MB Max Size'),
        '#attributes' => array('multiple' => 'multiple'),
    );

    //The nid of the node to upload the photos to
    $form['nid'] = array(
        '#type' => 'hidden',
        '#value' => $nid,
    );

    $form['submit'] = array(
        '#type' => 'submit',
        '#value' => t('Upload'),
    );

    return $form;
}

function photos_upload_form_validate($form, &$form_state) {
    //Save multiple files
    $num_files = count($_FILES['files']['name']);
    for ($i = 0; $i < $num_files; $i++) {
        $file = file_save_upload($i, array(
            'file_validate_is_image' => array(),
            'file_validate_extensions' => array('png gif jpg jpeg'),
        ));
        if ($file) {
            if ($file = file_move($file, 'public://')) {
                $form_state['values']['file'][$i] = $file;
            }
            else {
                form_set_error('file', t('Failed to write the uploaded file the site\'s file folder.'));
            }
        }
        else {
            form_set_error('file', t('No file was uploaded.'));
        }   
    }
}

function photos_upload_form_submit($form, &$form_state) {
    $nid = $form_state['values']['nid'];
    $node = node_load($nid);
    if (is_array($form_state['values']['file'])) {
        //Make sure we keep our previously uploaded images
        $i = empty($node->field_image) ? 0 : count($node->field_image['und']);
        foreach ($form_state['values']['file'] as $file) {
            $new_file = file_load($file->fid);
            $file_info = image_get_info($file->uri);
            $node->field_image[LANGUAGE_NONE][$i]['fid'] = $file->fid;
            $node->field_image[LANGUAGE_NONE][$i]['alt'] = '';
            $node->field_image[LANGUAGE_NONE][$i]['title'] = '';
            $node->field_image[LANGUAGE_NONE][$i]['width'] = $file_info['width'];
            $node->field_image[LANGUAGE_NONE][$i]['height'] = $file_info['height'];
            $node->field_image[LANGUAGE_NONE][$i]['uid'] = $file->uid;
            $node->field_image[LANGUAGE_NONE][$i]['filename'] = $file->filename;
            $node->field_image[LANGUAGE_NONE][$i]['uri'] = $file->uri;
            $node->field_image[LANGUAGE_NONE][$i]['filemime'] = $file->filemime;
            $node->field_image[LANGUAGE_NONE][$i]['filesize'] = $file->filesize;
            $node->field_image[LANGUAGE_NONE][$i]['status'] = '1';
            $node->field_image[LANGUAGE_NONE][$i]['timestamp'] = $file->timestamp;
            $node->field_image[LANGUAGE_NONE][$i]['rdf_mapping'] = array();
            $i++;
        }
    }
    node_save($node);
    drupal_set_message(t('Upload successful'));
}

Introduction

data:text/html, <html contenteditable>

data:text/html, <textarea style="font-size: 1.5em; width: 100%; height: 100%; border: none; outline: none" autofocus />