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$("#my_element").attr("disabled", "disabled");  // to disable
$("#my_element").removeAttr("disabled");  // to enable

// Create our first tooltip
$('.selector').qtip({
   content: 'Mouse entered',
   show: {
       event: 'mouseenter',
       solo: true // Only show one tooltip at a time
   }
})
 
// Remove the previous tooltips data
.removeData('qtip')
 
// Create our second tooltip
.qtip({
   content: 'Click',
   show: {
       event: 'click',
       solo: true // Only show one tooltip at a time
   }
});

#my_div {
  border-radius: 15px;
}

border-top-left-radius: 10px 5px;
border-bottom-right-radius: 10% 5%;
border-top-right-radius: 10px;

$arr = array("one", "two", "three", "four", "five");

unset($arr[2]);

if ( ($key = array_search("three", $arr)) !== false) {
  unset($arr[$key]);
}

while ( ($key = array_search("three", $arr)) !== false) {
  unset($arr[$key]);
}

$s = "some text from somewhere";
$js_code = "
  function do_something(some_text){
    alert(some_text);
  }
  do_something('$s');
";

$s = "some text !@#$%^&*()_+[]\{}|;':",./<>?";  // of couse this is not syntactical, in reality think of this string coming from a db
$s_encoded = rawurlencode($s);
$js_code = "
  function do_something(some_text_encoded){
    some_text = unescape(some_text_encoded);
    alert(some_text);
  }
  do_something('$s_encoded');
";

var queryDate = '2012-01-10',
    dateParts = queryDate.match(/(\d+)/g)
    realDate = new Date(dateParts[0], dateParts[1] - 1, dateParts[2]);  
                                    // months are 0-based!
 
$('#datePicker').datepicker({ dateFormat: 'yy-mm-dd' }); // format to show
$('#datePicker').datepicker('setDate', realDate);

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Fatal error: Allowed memory size of 134217728 bytes exhausted (tried to allocate 72 bytes) in /someDir/myScript.php on line 15
Segmentation fault: 11

$ php -h
Usage: php [options] [-f] <file> [--] [args...]
       php [options] -r <code> [--] [args...]
       php [options] [-B <begin_code>] -R <code> [-E <end_code>] [--] [args...]
       php [options] [-B <begin_code>] -F <file> [-E <end_code>] [--] [args...]
       php [options] -- [args...]
       php [options] -a
 
  -a               Run as interactive shell
  -c <path>|<file> Look for php.ini file in this directory
  -n               No php.ini file will be used
  -d foo[=bar]     Define INI entry foo with value 'bar'
  -e               Generate extended information for debugger/profiler
  -f <file>        Parse and execute <file>.
  -h               This help
  -i               PHP information
  -l               Syntax check only (lint)
  -m               Show compiled in modules
  -r <code>        Run PHP <code> without using script tags <?..?>
  -B <begin_code>  Run PHP <begin_code> before processing input lines
  -R <code>        Run PHP <code> for every input line
  -F <file>        Parse and execute <file> for every input line
  -E <end_code>    Run PHP <end_code> after processing all input lines
  -H               Hide any passed arguments from external tools.
  -s               Output HTML syntax highlighted source.
  -v               Version number
  -w               Output source with stripped comments and whitespace.
  -z <file>        Load Zend extension <file>.
 
  args...          Arguments passed to script. Use -- args when first argument
                   starts with - or script is read from stdin
 
  --ini            Show configuration file names
 
  --rf <name>      Show information about function <name>.
  --rc <name>      Show information about class <name>.
  --re <name>      Show information about extension <name>.
  --ri <name>      Show configuration for extension <name>.

php -d memory_limit=512M myScript.php

s = $("#something").val();
for (var i=0; n < s.length; i++) {
	var c = s.charCodeAt(i);
	if (c >= 128) {
		alert('Invalid character \'' + String.fromCharCode(c) + '\'');
		return false;  // or throw an error
	}
}