jQuery: Bullet Proof

gistfile1.html

<script>
    (function($) {
        $(function() {
            // place scripts here...
        });
    })(jQuery);
</script>

/*
(function($) { 
    // code using $ as alias to jQuery
    $(function() {
        // more code using $ as alias to jQuery
    });
})(jQuery);

// other code using $ as an alias to the other library
*/