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// Q sample by Jeff Cogswell

/*===========
 We want to call these three functions in sequence, one after the other:
 
 First we want to call one, which initiates an ajax call. Once that 
 ajax call is complete, we want to call two. Once two's ajax call is 
 complete, we want to call three.
 
 BUT, we don't want to just call our three functions in sequence, as this quick 

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sub template_before_process {
    my ($self, $args) = @_;
    my ($file, $vars) = @$args{qw(file vars)};

    if($file eq 'global/header.html.tmpl') {
        $vars->{bodyclasses} = [] unless ref($vars->{bodyclasses});
        my $caller = $vars->{component}->{caller};
        my @classes;

        $caller =~ s/\.html\.tmpl//; # strip file extension

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@variable: Escaped to HTML using check_plain(). Use this as the default choice for anything displayed on a page on the site.
%variable: Escaped to HTML and formatted using drupal_placeholder(), which makes it display as <em>emphasized</em> text.
!variable: Inserted as is, with no sanitization or formatting. Only use this for text that has already been prepared for HTML display (for example, user-supplied text that has already been run through check_plain() previously, or is expected to contain some limited HTML tags and has already been run through filter_xss() previously).

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Drupal Core access arguments

Block

• Administer blocks: "administer blocks"

Comment

• Administer comments and comment settings: "administer comments"
• View comments: "access comments"
• Post comments: "post comments"
• Skip comment approval: "skip comment approval"

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//  add css classes to the form submit element
function HOOK_form_alter(&$form, &$form_state, $form_id) {

  if (commerce_form_callback($form_id, $form_state)) { // is this a commerce form?

    if(in_array('commerce-add-to-cart', $form['#attributes']['class'])) { // target a specific button, here: "add to cart"
      
      // add classes
      $form['submit']['#attributes'] = array(
        'class' => array('add-to-cart', 'icon-basket-alt') // a class for easy selection in css, then the icon font class

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SELECT table_schema AS "Databases", 
sum( data_length + index_length ) / 1024 / 1024 AS "Data Base Size in MB" 
FROM information_schema.TABLES GROUP BY table_schema;

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find . -name \*\'s\ conflicted\ copy\ \* -exec mv -v {} ~/.Trash/ \;