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EAN-139781613740644   EAN-13 barcode 9781613740644
Product NameBackyard Ballistics: Build Potato Cannons, Paper Match Rockets, Cincinnati Fire Kites, Tennis Ball Mortars, And More Dynamite Devices
CategoryBook / Magazine / Publication
Short DescriptionHeight:10.04 inches / Length:7.09 inches / Weight:1.12 pounds / Width:0.87 inches
Amazon.comA Buy on Amazon ~ 1613740646
SKU9781556523755
Price New5.96 US Dollars    (curriencies)
Price Used3.34 US Dollars    (curriencies)
Width0.6 inches    (convert)
Height10 inches    (convert)
Length7 inches    (convert)
Weight17.12 ounces    (convert)
AuthorWilliam Gurstelle
Page Count240
BindingPaperback
Published09/01/2012
FeaturesBackyard Ballistics Book, Learn how to build an electromagnetic pipe gun, a pneumatic missile, a "Spud-Zooka," and more!, Contains over a dozen experiments with instructions and materials lists for launching and blowing-up a variety of fun projectiles., Softcover. 210 pages., May be returned in exchange for the same title only.
Long DescriptionThis bestselling DIY handbook now features new and expanded projects, enabling ordinary folks to construct 16 awesome ballistic devices in their garage or basement workshops using inexpensive household or hardware store materials and this step-by-step guide. Clear instructions, diagrams, and photographs show how to build projects ranging from the simple match-powered rocket to the more complex tabletop catapult and the offbeat Cincinnati fire kite. The classic potato cannon has a new evil twin-the piezo-electric spud gun-and the electromagnetic pipe gun has joined the company of such favorites as the tennis ball mortar. With a strong emphasis on safety, the book also gives tips on troubleshooting, explains the physics behind the projects, and profiles scientists and extraordinary experimenters such as Alfred Nobel, Robert Goddard, and Isaac Newton. This book will be indispensable for the legions of backyard toy-rocket launchers and fireworks fanatics who wish every day was the fourth of July.
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Created01-16-2013 5:05:56am
Modified05-01-2020 6:49:05pm
MD5fbfd0d13cb25272e57a5444e8b76e98e
SHA256c09482170c50d59cfef310bea6b0c8ee0e76a491892e84592b587f3924cb2b3b
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Article of interest

This is a basic implementation of a service that provides retrieval access to the EANData.com UPC web site. Its was coded to verify basic  proof-of-concept for development of another application and was not intended to provide be anything more than basic functionality in the retrieval  of UPC data from the EANData.com web site.

There are several places where simple code was left in place rather than using more advanced Java features/methods to allow for easier  understanding of junior developers. Not much time spent refactoring or cleaning up the code. It is provided as a starting point only.

It contains a Factory service that returns a service object configured using the UcpService.properties (see below) file found in the class path of  the executed code. The UpcQueryService can respond with an implementation of the UpcResponse and supporting interfaces or with an InputStream  allowing direct access to the response from the from the EANData.com web site.

JSR 353 is the Java API for JSON is currently under development (http://java.net/projects/json-processing-spec & http://java.net/projects/jsonp).  The several Java JSON implementations seemed to be more than I was wanting/needing so I wrote a basic parser to provide JSON parsing capability  needed. Its not perfect but is a good basic start.

Download the example source code

The UpcService.properties must be configured.

Url (Required)
provides the address used to query UPC data. The additional parameters are added to retrieve the requested information.

ApiKeyCode (Required)
Provided from EANData.com when your account is setup.

Mode (Required)
The manner in which the data will be retrieved from the EANData.com web site.
 
AutoRetrieveGraphics (Optional)
Boolean to indicate whether the graphics, when indicated by a Url, are to be automatically retrieved at the same time with the UPC data. Default is false. A factory method allows for the this property to be overridden at the time the UpcQueryService is created.

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