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Fix for OpenCart Error: The security header is not valid

Posted on Feb 23, 2015 | Last Updated Feb 24, 2015

A solution for the error 'The security header is not valid' in OpenCart when using PayPal Express Checkout.

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opencart, paypal express checkout

Updating Custom Attributes to use AttribID

Posted on Jan 22, 2017 | Last Updated Jan 25, 2017

Discussion on using attribID in custom attributes inside 3ds Max, including pros, cons and solutions.

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custom attributes, 3ds max, maxscript, attribID, managing

MP4 files in Flex VideoDisplay

Posted on Jan 8, 2009 | Last Updated Nov 12, 2011

Here is a solution to your problem if you are building an application in Flex 3 that uses the VideoDisplay component and the results fail to work in Internet Explorer and Chrome but mysteriously work in Firefox.

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flex 3, VideoDisplay, black, bug, error, problem, fix

The Dreaded -1.#IND

Posted on Jun 5, 2015 | Last Updated Jun 5, 2015

A solution for DOT products of two normals that result in -1.#IND when passed to acos().

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maxscript, geometry, trigonometry, -1.#IND

SwfObject JavaScript Error in IE7

Posted on Nov 25, 2008 | Last Updated Nov 26, 2008

IE7 has a JavaScript Error when using the swfobject.js method if you do not give the containing object element an ID.

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swfobject, javascript, ie7, ie 7, internet explorer 7

PHP Traits for Implementing Interfaces

Posted on Aug 13, 2013 | Last Updated Aug 13, 2013

PHP 5.4 introduced traits. Traits are in many ways like code-assisted copy and paste. They are ways to mix code into a class without inheritance. But what are they good for? When should they be used?

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PHP 5.4, trait, interface, abstract, oop

Digital Picture Frame Image Errors

Posted on May 11, 2007 | Last Updated Nov 11, 2011

Solution to displaying Invalid JPEG files on digital photo frames.

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digital picture frame, photo frames, JPG, JPEG, BMP

Compare Values with Arbitrary Comparison Operator

JavaScript for comparing values when the operator to use is variable.
Posted on Dec 21, 2012 | Last Updated Dec 21, 2012

JavaScript function and sample code to dynamically compare two values. Accepts numeric and/or alphanumeric values and does a comparison on them based on a comparison parameter.

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javascript, compare, comparison, dynamic, script, operator, math, numeric, alphanumeric, example, free

UseMaps Crash IE When Changed

Posted on Mar 30, 2008 | Last Updated Nov 12, 2011

Dynamically changing an image's usemap property can cause Internet Explorer to crash completely. Here is a solution to changing usemaps with JavaScript.

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image maps, usemaps, use maps, dynamic, ie7, ie, internet explorer, javascript
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