Windows File Sharing – Problems With Multiple IP Addresses

This was a bizarre problem that cost me half a day. I was unable to share folders from my Windows 10 PC, and I was near despair when I found the solution. I tried searching Google for many different phrases before I found the answer. This was the basic symptom: My shared folders were not accessible to other machines on…

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SQL Code – Voter Age By Precinct

How I made the maps: The SQL code below rolls up, pivots and, calculates medians of the voter age ranges. It's a query against four views of the voter information, which is itself a view that decodes the various voter codes in the database. This generated the table that QGIS joined to the shape files. I used QGIS to export…

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Florida – Voter Age by Precinct

View the Map This is part 2 of the Florida Map Series. See part 1 here. Explore Florida's Voters I analyzed all active registered voters in Florida by age, then calculated the largest (median) age group per precinct. The curious can see a short description of my process and the SQL I wrote to generate this map. This map was not created for,…

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Florida Congressional District 17 Maps

I generated three interactive web maps to explore political party, gender and ethnicity information for all registered voters in Florida's CD 17. After opening each map, explore the data with the layer selector in the upper-right. Turn off the upper layers to reveal lower layers. Click each precinct to see the pop-up statistics for that precinct. Click the images below to…

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Switch between Hyper-V and VirtualBox on Windows 10

I have many virtual machines in Oracle VirtualBox, and I also use Docker under Hyper-V. Fortunately, I don't ever need to do both at the same time because Hyper-V (being a level 1 hypervisor) and VirtualBox (a level 2 hypervisor) cannot run at the same time. I guess I could convert all my VirtualBox images to Hyper-V format, but I…

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2018 Voting Machine Logic and Accuracy Testing

August 6th, 2018, the Canvassing Board of Charlotte County met to conduct the Logic and Accuracy (L&A) testing of our county voting machines. This is a mandated test by Florida Statute 101.5612 and the test was publicly announced as required. Notification was delivered to the Charlotte County Democrats and also posted on CharlotteVotes.com. These tests are open to the public,…

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Critical Measures to Keep Your PACS Secure

A recent article by a McAfee employee stated that more than 1100 PACS systems are currently exposed to the public internet and can be relatively easily accessed to the extent that intruders can retrieve and upload images with few problems. In doing research for his article, he did just that. The fact that certain image files were accessed is troublesome by itself.…

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