The infamous Apache2 “You don’t have permission to access / on this server” error started appearing after I updated my Mint/MATE system (Ubuntu) to version 17 (14.04). It is fixed by editing /etc/apache2/apache2.conf. Details in this article.
Author: John Nash
Mr. Nash is an experienced systems analyst/programmer and business manager who believes in giving back to the community through producing open source software.
The care, feeding, and breeding of PayPal on your web site
As of today, 20140712, this tutorial actually works for collecting PayPal sales data after your web site visitor uses the PayPal button.
Utilities unprepared for EMP
If every residential and business building had a sufficient amount of solar panels to power itself during the day, then even if a disaster or attack destroyed a part of the grid, or the entire grid, it would not significantly affect people outside that one small area where the event occurred. As it is now, if the grid goes out in Pennsylvania several States could be without power for weeks. This is foolish and unnecessary with the technology we now possess.
Solar Power
Current guess at specifics of powering your house with soar cells. Calculates number of cells needed, area they would occupy, and cost of cells at street prices.
New MSP-430G2 Launchpad sketch
I converted the Knight Rider digital output test for TI. See it here: http://jdnash.com/api-makers/launchpad/