Uncategorized – Robert W. Rose

Robert W. Rose

Tracking COVID-19 Cases in Santa Clara County

Source: Santa Clara County Public Health and archive.org

March 16, 2020

Restoring nVidia 3D Vision on Windows 10

nVidia ended support for the 3D Vision system on April 11, 2019. I didn’t learn this until I updated to a newer driver today, which then sent me on a long journey trying to figure out how to install a driver newer than I had before but old enough to

February 2, 2020

Oatmeal banana pancakes

Out of flour? Want gluten-free pancakes? Want to change things up? A few simple modifications to a banana bread recipe will get you wheat-free pancakes. In a blender, combine: 3 eggs 1/2 cup water 2 bananas 3 tsp baking powder 1 tsp baking soda 114g melted butter OR 100g olive

January 19, 2020

Bread machine baguette

Baguettes are a wonderful thing, but making a proper baguette requires multiple touch-points over an extended length of time. It’s not difficult by any means, just time intensive. Since I own a bread machine I thought there must be a way to automate the dough. However the Internet does not

May 20, 2019

Creating lesson files for Yamaha YPG-235

I recently picked up a YPG-235 off Craigslist. One of the reasons I sought it out was for the “lesson mode” (or “Yamaha Education Suite”) where it helps you learn songs by displaying the notes and pausing the song for you until you hit the notes. You can do the same with a

October 1, 2016

Displaying a sequence of images in iPython Notebooks

You can rip a sequence of images into an mp4 and display it inline in an ipython notebook using a function like this: import matplotlib.pyplot as plt from matplotlib import animation from IPython.display import display, HTML def plot_movie_mp4(image_array): dpi = 72.0 xpixels, ypixels = image_array[0].shape[0], image_array[0].shape[1] fig = plt.figure(figsize=(ypixels/dpi, xpixels/dpi),

September 9, 2016

Compiling OpenCV 3.1 on Ubuntu 16.04

16.04 uses gcc 5.4 by default. You’ll need to install gcc 4.9 and configure OpenCV to use 4.9 instead: sudo apt-get install g++-4.9 cmake -DCMAKE_C_COMPILER=/usr/bin/gcc-4.9 -DCMAKE_CXX_COMPILER=/usr/bin/g++-4.9 . If you have CUDA installed you may want to disable compiling the CUDA libraries as well, or else suffer another hour+ of compilation

September 4, 2016

Installing the TensorFlow Docker image for GPUs on Ubuntu 16.04

The process is actually quite easy, but the installation docs don’t provide the right hints. I found some posts online suggesting others had battled with this, so I share this here in case others get tripped up as well. 1. Install Docker. Create a docker group, add yourself to it, then

May 29, 2016

Accessing the OBDLink SX USB Scantool on MacOS X

The OBDLink SX is an inexpensive USB OBDII scantool marketed by ScanTool.net. It’s sold as a Windows-only scantool and comes packaged with some very simple OBDII software. Not much exists on MacOS X for CAN monitoring, but I was still curious if I could access my car through my Mac.

January 24, 2016

Restoring a MacBook Pro with an encrypted hard drive

Hard drive encrypted using FileVault? Lost your password? You can’t get your data back, but you can make the MacBook usable again: Start the MacBook in Target Disk Mode by holding down ‘t’ Connect the MacBook to another computer using a Thunderbolt Cable. You will be prompted for the drive’s

October 7, 2014