I have resolved my DHTMLX standard edition row data extraction problem. The standard edition does not serialize grids or track user cell changes. You have to pay for such luxuries. Because I'm a foul software Grinch and this is just an exploratory hack I had to roll my own. I am posting the relevant JavaScript … Continue reading More about JHS with the DHTMLX Grid
Category: Programming
JHS with the DHTMLX Grid
Grids are the most important GUI user object. It's hard to think of a user-friendly data munching application that doesn't have a grid beating at its heart. Consequently, any serious GUI interface contender must support grids. My previous post showed how to use MathJax with JHS. MathJax is an impressive and important JavaScript library; it … Continue reading JHS with the DHTMLX Grid
JHS meets MathJax
With the release of J 7.01 Jsoftware "deprecated" COM. J 6.02 can run as a COM automation server but J 7.01 cannot.3 Throwing COM under the bus is hardly radical. Microsoft, COM's creator, has been holding COM's head underwater for years. Many .Net programmers cringe when they hear the word "COM" and the greater nonwindows1 … Continue reading JHS meets MathJax
Git me a Hub’bery
Sometime ago I crossed my machine synchronization threshold. I routinely work on four operating systems, three laptops, a few servers, a bunch of phones and so on. I synchronized the directories I cared about while forming deep and rewarding relationships with file sharing services like Dropbox. Dropbox is great but its success has attracted the … Continue reading Git me a Hub’bery
Semi-Literate JOD
Click to view jodliterate.pdf Despite seven decades of programming experience documenting software remains a challenge. There are many reasons for this sorry state of affairs with the most important being that programmers simply do not agree on the need for documentation. As pathetic as this sounds it's not without merit. It all depends on what … Continue reading Semi-Literate JOD
Pandoc based J Syntax Highlighting
John MacFarlane's excellent command line utility Pandoc is a Haskell program that converts to and from various text markup languages. Pandoc's help option lists its supported input and output formats. The following examples are Linux bash shell commands. Windows shell commands are identical. $ pandoc --help pandoc [OPTIONS] [FILES] Input formats: native, json, markdown, markdown+lhs, … Continue reading Pandoc based J Syntax Highlighting
Writing Portable J addons
On July 24, 2012 I gave a short talk, Writing Portable J addons, at the 2012 J Conference in Toronto Ontario. I try to avoid “death by PowerPoint” with my presentations. Take a peek at the following and see if I succeeded. Click for Portable addons
Mac JOD
JOD now runs on the Mac The J addon JOD now runs on Macs. You can update JOD, or install it for the first time, with JAL. JOD now runs on all the major J hosts: Windows, Linux and the Mac. To keep track of host specific features I have started a series of version … Continue reading Mac JOD
Turn your iPhone into a jPhone
Jsoftware recently released a free J app for the iPhone. Search for “jsoftware” in Apple’s app store and you will land right on it. There are many excellent free iPhone apps, I have half-a-dozen on my iPhone, but this little jewel sets a new standard for power in your palm. Let’s start with the good … Continue reading Turn your iPhone into a jPhone
GPX from Google Maps KML J Script
In preparation for my Arizona jaunt to watch the May 20th annular eclipse I spent a few hours on Google Maps selecting locations to visit. Here are my prime targets. After selecting targets the next step is to load them onto my “GPS device.” Currently my GPS device is the MotionX GPS iPhone app. MotionX … Continue reading GPX from Google Maps KML J Script
Analyze the Data not the Drivel 