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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

URL Fragment not Accessible to PHP

Posted on Dec 11, 2006 | Last Updated Nov 11, 2011

The fragment part of a URL or web address is not sent to servers to be accessible by scripting languages such as PHP.

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url fragment, pound, hash, php

Donna Olson died at 55

Posted on Aug 6, 2003 | Last Updated Oct 31, 2011

Donna Olson, my mother, died on August 4, 2003.

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donna olson died, death, donna marie olson, donna himes

Voting with the ego.

Posted on Oct 13, 2004 | Last Updated Nov 8, 2011

Egoism may not be popular, but it's what's getting my vote.

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Voting, Egoism, Kerry, Bush

Christmas at Shawn's, Jen's & Family

Posted on Dec 24, 2002 | Last Updated Oct 30, 2011

Photos from our Christmas 2002.

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shawn ethan olson, jenny chris alysa pugh, jessica stroc, christmas 2002

April 2007 Print Newsletter

Posted on Apr 23, 2007 | Last Updated Nov 11, 2011

The April 2007 Newsletter includes two articles by Shawn Olson and one essay by John Dalmas. Also some cartoons.

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newsletter

A lesson in flight

Posted on May 13, 2003 | Last Updated Oct 31, 2011

The kids and I take a crash course in flying paper airplanes--with the Ultimate Paper Airplane.

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paper airplanes, kline-fogleman airframes, ethan olson, christian pugh, aly

Orangebox Breaks Some Custom Maps

Posted on Aug 24, 2010 | Last Updated Nov 12, 2011

After Valve updated Counter-Strike Source to Orangebox, many custom maps have missing textures. Even worse, some maps now even crash CS. Here is what I did to fix de_tension.

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custom, map, crash, cs, hard fault

Eric Olson

Posted on Jun 29, 2011 | Last Updated Jun 29, 2011

Eric Olson is the musical member of the Olson clan.

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eric, eric olson, music, bio, fruity loops, songs

Education, Classrooms and Kids

Posted on Jun 4, 2003 | Last Updated Nov 19, 2011

Essays discussing dilemmas facing the modern American classroom.

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Wall Worm plugins and scripts for 3ds Max