Golang Explorations – Prime Number Identification
As I learn about the Go programming language I thought I’d share some of what I’ve learned as an occasional series. My current Go exploration is prime number identification and the […]
A Guide to Building Python 2.x and 3.x Extensions for Windows
I am a proponent of not rebuilding binaries when possible (thanks to Gohlke’s Unofficial Windows Binaries for Python Extension Packages site and the Python wheels), but there are many times I need to rebuild […]
Python: pyreadline 2.0 bizarre errors on Windows – resolved!
I was fiddling with Python and iPython today on Windows (64-bit installs) and tried the help(‘modules’) command in Idle. Surprisingly, it threw an infinite raft of errors from pyreadline, all of […]
Of Memes and Memory and Moore’s Law
A post has been making the rounds on Reddit and Facebook, graphically demonstrating the 1000-fold increase in (flash) memory density over the last decade. The question is, will this scale indefinitely, […]
A shout-out for the “Writing Idiomatic Python” ebook!
I recently purchased the Writing Idiomatic Python bundle by Jeff Knupp (at http://www.jeffknupp.com/writing-idiomatic-python-ebook/). As I continue to refresh and reinforce my Python knowledge I figured it’d be handy, and indeed it turned […]
Python and Bitwise Rotation
The other day I found myself wondering how to perform bitwise rotations in Python, particular bit rotations (circular shifts). There’s lots of complex ways to do it – bitstring, bitarray, and […]
Trying out my new Colorduino v2.0 – first impressions and tips
After my recent experiments with the Logos RGB backpack I stumbled upon the Colorduino (a cousin if not a descendant of the Rainbowduino), which is a very interesting little device! It not […]
Howto: Getting started with Python development in Windows with MSVS/GCC, Cython, etc.
Note: this is directed at Python 2.7 developers, but the same principles should apply to Python 3.x as well. First, a shout-out for the Unofficial Windows Binaries for Python site: as […]
Learning by Hacking: Modding the Logos RGB LED Matrix Backpack
As mentioned in a previous post, I recently bought an RGB LED Matrix “backpack” (with 8×8 RGB LED display) created by Logos Electromechanical. It’s an open design, and you can […]
On the proper use of the I2C bus in general and with the Logos RGB Matrix Backpack
Note: In the course of all this I created an improved Arduino I2C bus scanner. Check it out! First, a thank-you to Pierce from Logos Electromechanical who clued me in […]
Ah, Maker Faire! BeagleBone, HexBright, etc.
I had a great time at Maker Faire this weekend! I picked up a few items which I’ll quickly summarize here: First, I snagged a BeagleBone Black kit. I haven’t […]
Windows and the Case of the Unexpectedly Incorrect Desktop Icon
Tonight I moved my installation of Eclipse to another folder. I made sure to update the registry accordingly… this is where NirSoft’s free RegScanner utility came in handy: it’s something like […]
Github: long-time user, first-time contributor!
> I’ve finally posted some hobby code to Github! < In this case, an Arduino project I’ve been dabbling with for a few weeks now… I’ve successfully combined a Wii nunchuck controller […]
Memristor simulation with LTspice – a practical example!
Update 2016-08-25: LTSpice XVII is out! It doesn’t look that different from IV but it’s definitely improved under the hood. There is a quirk though: it installs a set of component […]