Category Archives: Technical

Technical parts

Adobe Acrobat Reader DC: Hide Tools Pane by default

Posted on September 21, 2015 by timlyg

Solution: Edit xml file: C:\Program Files\Adobe\Acrobat Reader DC\Reader\AcroApp\ENU\Viewer.aapp to contain only the first line. I had the rest commented out with: <!-- ... -->

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IP Addresses Range

Posted on September 11, 2015 by timlyg

I'd often wondered/confounded by the /32, /24, /16, etc. appearing after the ip addresses. Now it is clear. CIDR Start Range End Range 69.208.0.0/0 0.0.0.0 255.255.255.255 69.208.0.0/1 0.0.0.0 127.255.255.255 69.208.0.0/4 64.0.0.0 79.255.255.255 69.208.0.0/8 69.0.0.0 69.255.255.255 69.208.0.0/11 69.192.0.0 69.223.255.255 69.208.0.0/12 69.208.0.0 … Continue reading →

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DD-WRT Block ip, subnet

Posted on September 11, 2015 by timlyg

iptables -I FORWARD -d 58.108.0.0/16 -j DROP Blocks all ip: 58.108.*.* Despite many commands suggested to block ip, the above appears to work best. FORWARD, not INPUT. Unless, of course, I was misled by coincidence where just after executing the … Continue reading →

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Coursera: Introduction to Engineering Mechanics

Posted on September 5, 2015 by timlyg

Georgia Institute of Technology Dr. Wayne Whiteman The scientist describes what is; The engineer creates what never was. ~ theodore von Karman - Hungarian-American Physicist and aeronautical engineer.

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Super Glue

Posted on August 1, 2015 by timlyg

In USA, there's Gorilla Crazy Glue. But it's not crazy enough. One must order from overseas...AFAIK. The true super glue contains: Cyanoacrylate

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Missing Recycle Bin in Windows 7 Explorer

Posted on July 15, 2015 by timlyg

Solution: Right click an empty area in the left panel column of Window Explorer, select "Show All Folders". Done.

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Key to Starting a Legal Business in the States

Posted on July 15, 2015 by timlyg

Terminology: Break-even point - when profits cover capital (usually a 6 month process, inadvisable to pursue business if break-even point not reached in 2 years). 6 Business Structures: (Personal income tax) 1. Sole Proprietorship2. General Partnership (Corporations are their own … Continue reading →

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How to install ZIF HDD for Laptop: Fujitsu Lifebook P1610

Posted on May 16, 2015 by timlyg

This especially small type of hard drive is not easy to find before. It is not the typical laptop 2.5" hard drive. Hint: lift the black holder on the drive up.

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Ubuntu: Disable Laptop open lid command

Posted on May 13, 2015 by timlyg

It's been a while since I've had this problem. When I kept my Fujitsu lifebook in my backpack, it sometimes wakes up from suspend/hibernate mode. This happens in Ubuntu & Windows. So it must be the mechanism of the notebook … Continue reading →

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Concepts of Programming

Posted on April 25, 2015 by timlyg

Finite State Machines: In the most basic form, uses switch/cases syntax as implementation. One chief example being syntax highlighting. The aid to FSM is a state diagram, which obviously is not the same as flowcharts.

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