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
Tag: jsoftware
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Curious, I hovered on the text and learned that a few of my open-source repositories — JOD in particular — had been archived in GitHub’s Arctic Code Vault.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
JOD Update: Version 0.9.97*
In the last year much has changed in the J world. There are new official J 8.0x builds for all supported platforms.The QT based IDE JDE has matured and is in widespread use.The column oriented J database JD is drawing new users to J and enticing J veterans to reconsider how we use databases.There is … Continue reading JOD Update: Version 0.9.97*
JD Bitcoin Blockchain Spelunking
On July 25, 2014 I gave this short presentation about poking around the Bitcoin blockchain with J at the 2014 J Conference in Toronto Canada. Click to browse presentation PDF
Parsing the Bitcoin Genesis Block with J
The genesis block is the first block on the Bitcoin blockchain. Satoshi Nakamoto, the mysterious entity that created Bitcoin, mined the genesis block on January 3, 2009. It's been five years since the genesis block's birth and Satoshi is still unknown, Bitcoin is bigger than ever, and the blockchain is longer than 300,000 blocks and growing. One … Continue reading Parsing the Bitcoin Genesis Block with J
JOD Update: J 8.02 QT/JHS/64 bit Systems
I have pushed out a JOD update that makes it possible to run the addon on J 8.02 systems. In the last eight months a QT based J IDE has been developed that runs on Linux, Windows and Mac platforms. To maintain JOD’s compatibility across all versions of J from 6.02 on I had to … Continue reading JOD Update: J 8.02 QT/JHS/64 bit Systems
Analyze the Data not the Drivel 