In Sarah Hart’s new book Once Upon a Prime she relays John Aubrey’s account of the philosopher John Hobbes’s1 first exposure to Euclid’s Elements. Being in a gentleman’s library Euclid’s Elements lay open, and ’twas the forty-seventh proposition in the first book. He read the proposition. “By God,” said he, “this is impossible!” So he … Continue reading J graphviz’s Euclid’s Elements
Tag: jsoftware
“Managing” a SQLite Database with J (Part 1)
Previously, I promised to write three posts about dispatching irritants with J. This, my third post, is proving more irritating than the others, so I will split it over two posts. SQLite, by many estimates, is the most widely deployed SQL database system on Earth. It's everywhere. It's in your phone, your laptop, your cameras, … Continue reading “Managing” a SQLite Database with J (Part 1)
Stupid J Jupyter Tricks
Continuing with my software irritant dispatching theme: today’s irritant - including syntax colored code in blogs, LaTeX, Word, and other documents. This one is a persistent pain in the ass; especially for users of idiosyncratic programming languages. We all have our favorite hacks and workarounds; today I am sharing one of mine: using jupyter to … Continue reading Stupid J Jupyter Tricks
Branding XMP Sidecar Files with J
During my long and not-so-storied IT career I covertly dispatched “irritants” with the J programming language. An irritant is an annoying software problem that does not merit a full-blown project-style approach. The last thing you want when dealing with irritants is to drag in IT bureaucrats. You know of whom I speak: the niggling little … Continue reading Branding XMP Sidecar Files with J
JETL – J Extract Transform and Load
I have been surreptitiously using the J programming language on the job for many years. With rare exceptions, I haven't advertised my clandestine use of J simply because it's strange and scary and nonstandard, and IT departments are filled with cowardly little bedwetters that run away like Brave Sir Robin when confronted with something really … Continue reading JETL – J Extract Transform and Load
JOD goes into the Arctic Code Vault
This was a pleasant surprise. A few weeks ago, I noticed this little message on my main GitHub page. Arctic Code Vault Contributor Curious, I hovered on the text and learned that a few of my open-source repositories — JOD in particular — had been archived in GitHub’s Arctic Code Vault. That sounded literally cool! … Continue reading JOD goes into the Arctic Code Vault
Using jodliterate
The JODSOURCE addon, (a part of the JOD system), contains a handy literate programming tool that enables the generation of beautiful J source code documents. The Bible, Koran, and Bhagavad Gita of Literate Programming is Donald Knuth's masterful tome of the same name. Knuth applied Literate Programming to his $latex \TeX$ systems and produced what … Continue reading Using jodliterate
More J Pandoc Syntax HighLighting
Syntax highlighting is essential for blogging program code. Many blog hosts recognize this and provide tools for highlighting programming languages. WordPress.com (this host) has a nifty highlighting tool that handles dozens of mainstream programming languages. Unfortunately, one of my favorite programming languages, J, (yes it’s a single letter name), is way out of the mainstream … Continue reading More J Pandoc Syntax HighLighting
SWAG a J/EXCEL/GIT Personal Cash Flow Forecasting Mob
While browsing in a favorite bookstore with my son, I spotted a display of horoscope themed Christmas tree ornaments. The ornaments were glass balls embossed with golden birth signs like Aquarius, Gemini, Cancer, et cetera, and a descriptive phrase that “summed up” the character of people born under a sign. Below my birth sign golden … Continue reading SWAG a J/EXCEL/GIT Personal Cash Flow Forecasting Mob
Turning JOD Dump Script Tricks
Have you ever wondered how extremely prolific bloggers do it? How is it possible to crank out thousands of blog posts per year without creating a giant stinking pile of mediocre doo doo? Like most deep mysteries it's not deep and there are no mysteries. The spewers, people who post like teenage girls tweet, use … Continue reading Turning JOD Dump Script Tricks
Analyze the Data not the Drivel 