wbzyl

> db.dropDatabase();
{ "dropped" : "test", "ok" : 1 }
> 
> // These points are one degree apart, which (according to Google Maps) is about 110 km apart
> // at this point on the Earth.
> db.points.insert({location: [-122, 37]});
> db.points.insert({location: [-122, 38]});
> db.points.ensureIndex({location:"2d"});
>
>

ericelliott

Essential JavaScript Links

I no longer mantain this list. There are lots of other very comprehensive JavaScript link lists out there. Please see those, instead (Google "awesome JavaScript" for a start).

joemaffia

Uninstall a bundle (use http://localhost:4505/system/console/bundles to access the Apache Felix web console)
        curl -u admin:admin -daction=uninstall http://localhost:4505/system/console/bundles/"name of bundle"

Install a bundle
        curl -u admin:admin -F action=install -F bundlestartlevel=20 -F 
        bundlefile=@"name of jar.jar" http://localhost:4505/system/console/bundles

Build a bundle
        curl -u admin:admin -F bundleHome=/apps/centrica/bundles/name of bundle -F 
        descriptor=/apps/centrica/bundles/com.centrica.cq.wcm.core-bundle/name_of_bundle.bnd 

paulirish

What forces layout / reflow

All of the below properties or methods, when requested/called in JavaScript, will trigger the browser to synchronously calculate the style and layout*. This is also called reflow or layout thrashing, and is common performance bottleneck.

Generally, all APIs that synchronously provide layout metrics will trigger forced reflow / layout. Read on for additional cases and details.

Element APIs

Getting box metrics

• elem.offsetLeft, elem.offsetTop, elem.offsetWidth, elem.offsetHeight, elem.offsetParent