Code snippets from blog

217-1.js

errorOccurred = lastErrorOccurred = new Date().getTime();
_back = function(h) {
    if (_backOk) {
        if (_backCallback) {
            _backCallback();
            _backCallback = null;
        }
        var hh = parseInt(h);
        var m = $.browser.netscape ? 2 : $.browser.msie ? 3 : 7;
        if (hh > m) {
            errorOccurred = new Date().getTime();
            console.log("hh: "+ hh +", m: "+ m +", delta: "+ (errorOccurred - lastErrorOccurred));
            lastErrorOccurred = errorOccurred;
            alert(PP.msg.man.bac);
        }
    }
};

217-2.js

_back = function(h) {
    if (_backOk) {
        if (_backCallback) {
            _backCallback();
            _backCallback = null;
        }
        var hh = parseInt(h);
        var m = $.browser.netscape ? 2 : $.browser.msie ? 3 : 7;
        if (hh > m) alert(PP.msg.man.bac);
    }
};
runHistory = function() {
    $.historyInit(_back);
    z = $.browser.netscape ? 2 : $.browser.msie ? 4 : 8;
    for (var j = z; j >= 0; j--) $.historyLoad(j);
    _SetTimeout(function() {
        _backOk = 1
    },
    3000);
};

276-1.js

if (!Ext.supports.Touch || Ext.is.Blackberry) {
    Ext.apply(this.eventNames, {
        start: 'mousedown',
        //move: 'mousemove',
        end: 'mouseup'
    });
}

276-2.js

Ext.NonTouchCompatibleScrollPanel = Ext.extend(Ext.Panel, {
    scroll: 'vertical',

    initComponent: function() {
        Ext.get(document.body).on('mousemove', function(evt, div, el) {

            if (!this.scroller) {
                return;
            }

            if (this.scroller.offsetBoundary.top === 0) {
                this.scroller.updateBoundary();
            }

            var maxOffset = this.scroller.offsetBoundary[1] - 400;
            var bottom = parseInt(Ext.get(document.body).getStyle('height')) - 15;

            if (evt.xy[1] > bottom && this.scroller.offset.y >= maxOffset) {

                var offset = -1 * this.scroller.offset.y + 10;
                this.scroller.scrollTo({
                    x: 0,
                    y: offset
                });

            } else if (evt.xy[1] < 60 && this.scroller.offset.y <= 0) {

                this.scroller.scrollTo({
                    x: 0,
                    y: (-1 * this.scroller.offset.y) - 10
                });

            }
        }, this, {element:'el'});

        Ext.NonTouchCompatibleScrollPanel.superclass.initComponent.call(this, arguments);
    }

});

308.php

<?php

// Search parameters
$lat = 45.411572;
$lng = -75.698194;
$radius = 25;
 
// Constants related to the surface of the Earth
$earths_radius = 6371;
$surface_distance_coeffient = 111.320;
 
// Spherical Law of Cosines
$distance_formula = "$earths_radius * ACOS( SIN(RADIANS(latitude)) * SIN(RADIANS($lat)) + COS(RADIANS(longitude - $lng)) * COS(RADIANS(latitude)) * COS(RADIANS($lat)) )";
 
// Create a bounding box to reduce the scope of our search
$lng_b1 = $lng - $radius / abs(cos(deg2rad($lat)) * $surface_distance_coeffient);
$lng_b2 = $lng + $radius / abs(cos(deg2rad($lat)) * $surface_distance_coeffient);
$lat_b1 = $lat - $radius / $surface_distance_coeffient;
$lat_b2 = $lat + $radius / $surface_distance_coeffient;
 
// Construct our sql statement
$sql = <<<SQL
SELECT *, ($distance_formula) AS distance
FROM listings
WHERE (latitude BETWEEN $lat_b1 AND $lat_b2) AND (longitude BETWEEN $lng_b1 AND $lng_b2)
HAVING distance < $radius
ORDER BY distance ASC
SQL;

412.handlebars

<div class="container">
{{#grouped_each 3 books}}
    <div class="row">
    {{#each this }}
        <div class="span4 book" data-isbn="{{ isbn }}">
            <strong>{{ name }}</strong>
        </div>
    {{/each}}
    </div>
{{/grouped_each}}
</div>

412.js

Handlebars.registerHelper('grouped_each', function(every, context, options) {
    var out = "", subcontext = [], i;
    if (context && context.length > 0) {
        for (i = 0; i < context.length; i++) {
            if (i > 0 && i % every === 0) {
                out += options.fn(subcontext);
                subcontext = [];
            }
            subcontext.push(context[i]);
        }
        out += options.fn(subcontext);
    }
    return out;
});

After wrestling with templates for hours, getting extremely frustrated, your code was a breath of fresh air. Thank you!!!