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The ObjectScript language has incredible JSON support through classes like %DynamicObject and %JSON.Adaptor. This support is due to the JSON format's immense popularity over the previous dominance of XML. JSON brought less verbosity to data representation and increased readability for humans who needed to interpret JSON content. To further reduce verbosity and increase readability, the YAML format was created. The very easy-to-read YAML format quickly became the most popular format for representing configurations and parameterizations, due to its readability and minimal verbosity.

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Welcome everyone!

Hope to meet you here.

Let's have a dedicated discussion thread about Ready 2025. Please post your impressions! Ideas! Inspiration! Photos!

Keynotes are streamed live so even if you're not in Orlando, you can still join!

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Question
· Jun 11
Multiselction Zen component

Hi Guys,

I'm looking for a Zen component that allow me to populate a list of items and the ability to multiselect, similar to checklist?

I've thought of using MultiSelectSet component but don't know how can I populate it like to a query or resultset?

a short sample code would be helpful.

Thanks

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Hey Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ Quick wins with InterSystems IRIS Vector DB

https://www.youtube.com/embed/KlA55wF2uWQ
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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

⏯ FHIR Lessons Learned From the Field @ Global Summit 2024

https://www.youtube.com/embed/ojNDhiWdfeI
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Is it possible to get the length of queue for a production using Python code?

I'm using embedded Python at the moment.

I'd like to use the Python external language server later - the Python external server will not start in my environment.

If it is possible to query the production queue length programmically, please advise how?

It would also be nice to show the number of messages processed per second, if IRIS keeps track of this.

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Visual Studio Code releases new updates every month with new features and bug fixes, and the July 2025 release is now available.

Enhancements include revamped tool picker and expanded tool limits for MCPs, Chat GPT-5 integration and chat checkpoints, and multi-branch Git worktrees plus coding agent session management to improve productivity.

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Article
· Jul 22 5m read
Vector Search Performance

Test Objectives

InterSystems has been testing Vector Search since it was announced as an “experimental feature” in IRIS 2024.1. The first test cycle was aimed at identifying algorithmic inefficiencies and performance constraints during the Development/QD cycle. The next test cycle used simple vector searches for single threaded performance analysis to model reliable, scalable and performant behaviour at production database scale in IRIS, and performed a series of comparative tests of key IRIS vector search features against PostgreSQL/pgvector. The current test cycle models the expected behaviour of real-world customer deployments using complex queries that span multiple indices (vector and non-vector) and run in up to 1000 concurrent threads. These tests will be run against IRIS, PostgreSQL/pgvector, and ElasticSearch

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Hello Team,

I got xDBC protocol is not compatible while executing python script. How to fix this error

C:\Users\ak\Desktop\lpyth\iris>C:/Users/ak/AppData/Local/Programs/Python/Python312/python.exe c:/Users/ak/Desktop/lpyth/iris/irisconn.py
An error occurred: connection failed: IRIS xDBC protocol is not compatible

py -m pip list
Package Version
------------------ ---------
intersystems-iris 3.9.2

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🚨 Planned Maintenance Notice 🚨

The InterSystems Developer Community will undergo scheduled maintenance tomorrow (March 22, 2025) from 10:30 AM to 12:30 PM EST (16:30 to 18:30 CET).

During this time, the platform may experience intermittent downtime. We apologize for any inconvenience and appreciate your patience as we work to improve our services.

Thank you for your understanding!

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I have the need to query an external database and write the result set/snapshot to an internal %Persistent [ DdlAllowed ] table that I built. I have built inbound SQL Services before and write them externally to replace SSIS jobs, but how would querying a database via a Service and writing the data to an internal table work?

Can I just take the inbound query structure and write it to the class file of the internal table in a DTL? If so, what would be the Target? Or does this need to be done within a BPL as a Code block?

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I have a repeatable field within HL7 that I want to create a List from. Do I have to initialize the List by using $LB, or can I just use $LI to keep adding on to the end of the list as it is looping through the field?

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Question
· Dec 4, 2024
Error importing XSD

I'm attempting to import all the FHIR XSD files provided by http://hl7.org/fhir but get the immediate and unhelpful error message:

I've tried different versions of EOLs to no avail. Any idea what this error could mean?

Here's the XSD I'm trying to import:

<?xml version="1.0" encoding="UTF-8"?>
<!--
Copyright (c) 2011+, HL7, Inc
All rights reserved.

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Article
· Aug 22 26m read
Building a robot with IRIS

In this case, a robot is nothing like Gort from the movie “The Day the Earth Stood Still” or any other humanoid robot from science fiction. Nor is this Robot the one-armed automated welder from a real-world automotive assembly line. This Robot is a program that controls another program. You might want this for automated testing or to capture application logic from an application for which you don’t have the source, and the application’s author lacked the kindness or foresight to provide an API for its capabilities.

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