Tools created for my students...

jSimuGate is a logic simulator written in Java that you can useto simulate digital circuits that you design.

CppTurtle is a simple C++ Turtle graphics class using GTKmm graphics.

FP Construction Gizmo is a graphical tool for visualizing how IEEE floating point formats are structured.

Shaka HTML is a page that shows the results of HTML code as you write it.

Cache Visualizer is a graphical tool for visualing the layout of hardware cache.

Answers to uncommon questions...

How can you make your own skybox with a digital camera?

What in the world is a hacoversine?

Have you fed wild geckos today?

How well does your browser handle 3D SVG? (hint: only FireFox properly rotates the dodecahedron)

How do you set up MSys2 & VcXsrv for Linux features on the Windows Command Line?

How can I perform XSLT with PowerShell?

How can I see who's being blocked the most on my server by UFW? cat /var/log/syslog |grep BLOCK | sed 's/.* SRC=//' | sort | cut -f 1 -d ' ' | uniq -c | sort -n # bad port, etc. cat /var/log/auth.log |grep rhost=[0-9] | sed 's/.*rhost=//' | sort | cut -f 1 -d ' ' | uniq -c | sort -n # bad password sudo ufw deny from 192.0.2.0/24 to $(hostname -I) # Replace 192.0.2.0/24 example with offender to be blocked

What command can I use in Windows to permanently set an environment variable? rem Replace aNAME and aVALUE below with the environment variable name and value that you want to use set VARIABLE_NAME=aNAME set VALUE=aVALUE powershell.exe -command "Start-Process -Verb RunAs powershell.exe -Args '-executionpolicy bypass -command', \"[Environment]::SetEnvironmentVariable( '%VARIABLE_NAME%', '%VALUE%', [EnvironmentVariableTarget]::Machine )\""

Who won the first known interisland programming contest in Hawaii?

Who am I?

My Bio. and C.V. are posted here.

Spring 2022

What will we study about computer networks?

Spring 2023

Who are this year's guest speakers?

Speakers scheduled for Spring 2023 include:
• 1/9 Indtroduction
  Dr. Ted Shaneyfelt
• 1/23 Foundier and President of SyborTech
  D. S.
• 1/30 Former President of IEEE Standards Association
  Dr. R. F.
• 2/6 Chairman of the Board of RiseComm
  Chairman J. Y.
• 2/13 UH Hilo Alumni
  80's Dr. T. S. - 1st graduate of UHH CS program
  90's G. F.
  00's N. F.
  10's J. P.
• 2/27 President of Crossbar / Former CTO, VP at Intel
  Dr. M. D.
• 3/6 VP of JP Morgan & Chase
  Dr. M. S.
• 3/20 HPM President
  J. F.
• 4/3 Microsoft Imagine Cup National Champion / UHH CS Grad
  R. D.
• 4/10 MK Astronomy panel (tentative) from UH Hilo's CS program
  M. B. - Keck Telescope
  R. K. - Subaru Telescope
  H. S. - Gemini North Telescope
  C. U. - Canada France Hawaii Telescope
• 4/17 Hawaii's Exotic Alternate Energy Sector
  M. K. - Ormat Geothermal Energy
  H. K. - Makai Ocean Thermal Energy
  Dr. S. S. - UH Hilo Biodiesel Energy
• 4/24 Hawaii Police Chief
  B. M.
• 5/1 TBD
  TBD