-
Shave and a Haircut …
Working on a background page for my IEEE-754 project, I looked up the history of the Intel 8087 coprocessor (the origin of the IEEE-754 floating-point standard), and discovered that it had 65,000 transistors, and sold for about $150. Since “shave and a haircut … two bits” puts the value of two bits at 25¢, and…
-
HTML Footnotes 1.0
All writers who prepare web pages by hand-coding HTML documents using the Nova text editor on MacOS rejoice! I’ve just released a Nova extension that lets you manage footnotes in your documents. Key Features:
-
Testing
Test post to be shared on Mastodon.
-
Rejuvenation
Time to see this blog active again. Just getting set up again for now.
-
Scrollable Tables Version 2
The second version of the Scrollable Tables project cleans up deficiencies from the first version, adds accessibility support, and is generally all-round awesome. If you have ever been frustrated by table headers scrolling off the page of your website, you can use the supplied JavaScript code to take care of the problem for you. Or…
-
Postgres Tables From Spreadsheets
A project I’m working on involves running Oracle queries on a PeopleSoft system and getting the results as CSV files. I use those query results, plus information from other places (the New York State Department of Education’s website and Degreeworks information for academic programs) to derive a Postgres database that is the backend for a…
-
Scrollable HTML Tables
Making HTML tables scrollable with frozen header rows takes more effort than it should. I’ve written a JavaScript function that handles most common cases with a minimum of fuss. Code and documentation are publicly available at: https://github.com/cvickery/scrollable_tables
-
Learning as a natural process
Mark Guzdial is a provocateur. In today’s blog post, the title says it all: “teachers as provocateurs … all learning starts from a problem.” An example he gives is teaching students about loops because it will save them from having to cut and paste (or re-type!) code in the future. Instead, he suggests, let them…
-
Linking and Loading
Linking, loading, header files, and libraries—what are they all about? This post is a description of how these concepts interrelate for C/C++ code. Since the Arduino language is really C++, this material applies in that context as well. In fact, this post aims to explain these concepts specifically as they relate to Arduino code development.…
-
Tesla Referral Code
Whatever the current sales promotion is that Tesla is having (free supercharging; vehicle upgrade, whatever) my referral code will get it for you.