Category: computer
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CQL Studio 2.2: Environments, Group Evaluation, and Fresh Paint
What’s New More than a few useful bits have snuck into v2: the latest being environment profiles, IDE support for FHIR Group subject evaluation, a redesigned Settings area, and an application-wide UI refresh. If you use the evergreen HL7 Foundry download, you’ll get the new features automatically the next time you pull updates. Please submit your great…
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Announcing CQL Studio 2.0
I’m pleased to announce CQL Studio 2.0, the next step in the suite’s roadmap for authoring, executing, and testing Clinical Quality Language (CQL) and FHIR-based artifacts. The focus of the 2.0.x series is terminology search and import for immediate usage in your CQL artifacts. The headline addition is direct integration with the U.S. Value Set…
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Stakeout v4: Service Monitoring and Screenshot Service Now Open Source
I’m pleased to announce the public release of Stakeout v4 as fully open source software under the Apache 2.0 license. Stakeout is a simple, self-hosted application for HTTP(S) availability monitoring and automatic web screenshots. If you’re looking for Nagios, use Nagios — Stakeout is deliberately minimal and answers “Is everything up!?” in a concise and…
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CQL Tests UI Getting Live Test Execution
Since announcing CQL Tests UI, the application has continued to receive enhancements that add the ability to execute new test runs yourself using the official CQFramework-family of CQL tests. What’s New: The Runner Integration The upcoming release introduces a complete CQL Test Runner integration that will allow users to execute CQL compliance tests directly from the web interface.…
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Announcing CQL Tests UI: A Web Interface for Clinical Quality Language Engine Compliance Testing
I’m pleased to announce the release of CQL Tests UI, a web application for viewing and analyzing Clinical Quality Language (CQL) engine test results generated by the CQL Tests Runner. I’ve contributed CQL Tests UI to the cqframework family of tools under the Apache 2.0 license following debut at the September, 2025 HL7 Connectathon. What is CQL Tests UI?…
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Substance Abuse Data Exchanges with FHIR: the ASU SHARES Program
As part of my work at Arizona State University, I’ve been developing the technology stack for the Substance Use Health Records Sharing (SHARES) program. This initiative aims to transform how sensitive health data for substance use disorders (SUD) are managed and shared across healthcare systems. At a personal technical level, my goal is to provide…
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Ruby Supercomputing: Using The GPU For Massive Performance Speedup
Confreaks just released a Ruby/JRuby GPU presentation of mine from Mountain West Ruby Conference 2011 in Salt Lake City, Utah. Slightly stale, but all still very relevant to HPC today! http://confreaks.tv/videos/mwrc2011-ruby-supercomputing-using-the-gpu-for-massive-performance-speedup
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Pairwise Sequence Alignment In JavaScript
I just implemented a sample pairwise sequence aligner in JavaScript for a course. You can demo it at http://alignment.prestonlee.com, and grab the source code under an Apache 2 license at https://github.com/preston/alignment.
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“My Videotag” Linkbucks WordPress Hack
FYI to all the WordPress fans.. If you recently noticed that your links are getting hijacked by URLs pointing to “linkbucks.com”, try deleting your my-videotag plugin. I found this nastiness somehow embedded in the source code: $ find . -name ‘*.php’ |xargs grep -e linkbuck ./wp-content/plugins/my-videotag/my-videotag.php: return ‘<a href=”http://77aafbe6.linkbucks.com/url/’ . $matches[2] . ‘//’ . $matches[3]…
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Prolog for Ruby (ruby-prolog) Updated, Hits v1.0.1
After a long period of inactivity I’ve updated the F/OSS ruby-prolog gem! It’s been updated for ruby 2.0.0, bundler, and minitest, and released as v1.0.1! ruby-prolog allows you to solve complex logic problems on the fly using a dynamic, Prolog-like DSL. Basic use is encompassed by stating basic facts using your data, defining rules, and…