Question Oliver Wilms · Sep 19, 2024

Hello, I try to develop a REST interface where I need to interact with legacy MUMPS routines. How can I pass in input to a Read without modifying the legacy code?

I think in linux I can execute command < inputfile to read from file, but how does it work in ObjectScript?

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Question Kevin Mayfield · Feb 20, 2025

I'm working on FHIR project and using this code to convert an incoming request to FHIR 

Method OnRequest(request As HS.FHIRServer.Interop.Request, Output response As HS.FHIRServer.Interop.Response) As %Status

{

    #dim tSC As %Status = $$$OK

    Try {

        // Process incoming request

        set stream = ##class(HS.SDA3.QuickStream).%OpenId(request.QuickStreamId)

        set bundle = ##class(HS.FHIR.DTL.vR4.Model.Resource.Bundle).FromJSON(stream,"vR4")

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Question Colin Brough · Feb 25, 2025

We have some ObjectScript code in a custom business process:

When Log Trace Events is ticked on the business process in the Production view in the management portal, the argument is obviously computed.

Our question is whether the argument is computed when Log Trace Events is not ticked? Don't want to accidentally include something in a $$$TRACE() statement that takes enough computation to make a performance difference when released to production, even though the final output is not written to the event log.

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Question Jani Hurskainen · Jan 17, 2025

The documentation at https://docs.intersystems.com/irisforhealthlatest/csp/docbook/DocBook.U…

Case-sensitive: variable names (other than the system variables) are case-sensitive. Names of classes and their members, names of routines and their entry points, names of include files and macros are all case sensitive.

Consider "fully qualified" class name: Package.subpackage.ClassName

What is the class name mentioned in the documentation? Package.subpackage.ClassName  or ClassName ?

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Question Federico Sandrinelli · Feb 24, 2025

Hello everyone!

I have set up an EnsLib.REST.GenericService with an  EnsLib.HTTP.InboundAdapter which forwards the http requests received by a web app to my Business Process. 

I would like to parse HTTP multipart/form messages I am receving and be able to iterate over the various fields within the request body, accessing its content type and the content itself.

As far as I understand I should use the %Net.MIMEReader class which should return a list of %Net.MIMEPart, one for each field within the request. However if I do : 

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Announcement Anastasia Dyubaylo · Feb 25, 2025

Hi Community,

Watch this short exercise in writing basic code snippets in InterSystems ObjectScript using Copilot in VSCode and the GPT-4.0 engine. This screencast covers "Hello, World," global manipulation, class creation, and building a simple REST API application.

>> Coding InterSystems ObjectScript with Copilot <<

🗣 Presenter: @Evgeny Shvarov, Senior Manager of Developer and Startup Programs, InterSystems

📌 The related code can be found here: objectscript-copilot-demo.

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InterSystems Official Daniel Palevski · Dec 12, 2024

The first developer previews of InterSystems IRIS® data platform, InterSystems IRIS® for Health, and HealthShare® Health Connect 2025.1 have been posted to the WRC developer preview site.  Containers can be found on our container registry and are tagged latest-preview.

These developer previews include the feature to migrate to IBM "Open XL C/C++ for AIX" 17.x compiler ensuring compatibility with future AIX builds as older compilers approach end-of-support. This migration focuses on the aixopenssl30 target, supporting SSL3 on AIX 7.2 and 7.3.

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Announcement Celeste Canzano · Feb 24, 2025

Hi Everyone!

The Certification Team of InterSystems Learning Services is currently developing an InterSystems ObjectScript Specialist certification exam. Earlier this month we reached out to our community for feedback that will help us evaluate and establish the contents of this exam. We are still currently accepting responses and would love to hear your feedback!

Please note that this is one of two exams being developed to replace our InterSystems IRIS Core Solutions Developer exam. You can find more details about the other exam, InterSystems IRIS Developer Professional exam, here

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Question Thomas Wuppermann · Feb 10, 2025

While upgrading old Ensemble and Health Connect applications to V 2024.1 we are installing many webgateways since the private webserver is deprecated.

Configuring the "Default Parameters" we can determine the "Event Log Rotation Size" but not the count of preserved logfiles. So even if the webgateway cuts the logs in pieces they could fill up the disk space entirely for there seems to be no cleanup-job for old logfiles.

What is the recommended way to deal with this situation?

Do I have to create a schduled job on OS-level? 

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Article Chris Stewart · Feb 18, 2021 2m read

Hi Dev Community

I thought i would share a little method I knocked together to traverse and compare 2 JSON objects for basic equivilance.   I'm currently working on some data migration, and wanted a basic sanity check to validate that the JSON output is basically equivliant between the old and new, excluding a few things like timestamps.  

It's a basic little recurvsive method, that will bubble up any differences over a nested structure.   It's very low tech, as that's all I need it to do, but I thought it might be useful for others?

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Question Evgeny Shvarov · Feb 21, 2025

Hi folks!

I'm building a very simple REST API.

But before testing it via a Web Server what I want to make sure that REST API methods work in principle.

Is it an easy way to "fake" the web-server request and get a result e.g. of the method with signature like that?

ClassMethod GetAllRecords(pRequest As %CSP.Request, pResponse As %CSP.Response) As %Status

e.g. calling it in Terminal?

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Article Ariel Glikman · Mar 8, 2024 3m read

The IKO will dynamically provision storage in the form of persistent volumes and pods will claim them via persistent volume claims.

But storage can come in different shapes and sizes. The blueprint to the details about the persistent volumes comes in the form of the storage class.

This raises the question: we've deployed the IrisCluster, and haven't specified a storage class yet. So what's going on?

You'll notice that with a simple

kubectl get storageclass
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Question John McBride · Nov 18, 2024

Since .Net has a unified package manager system (Nuget.org) why doesn't Intersystems create and add a nuget package (.nupkg) containing the InterSystems.Data.IRISClient.dll file.

This would make it easier for external .net developers to obtain the package for creating tools and/or applications that utilize Iris/Iris4Health

Can  Intersystems create a nuget package?

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Question Warren Oyco · Feb 21, 2025

Hi Community,

I've created a method in my File Service to do a cleanup for every file load. Currently, I've set it to delete data when LastUpdated date is greater than maxdate. However, I want to do a cleanup for every new file load. Any suggestions or advice on how to do this? Thanks!

Method Cleanup()
{

   Set tMaxDate = ""
   &SQL(SELECT Max(LastUpdated) into :tMaxDate
   FROM MC_Table_Data.Patient) 
 

   &SQL(DELETE MC_Table_Data.Patient WHERE LastUpdated<:tMaxDate)
}

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Question omer · Jan 14, 2025

Hello,

So i want to use the INSERT OR UPDATE command so i can update a COUNTER for a given name:

INSERT OR UPDATE myTable
SET name='Omer',  counter = counter + 1;


as you can see with the above code - if the row is non-existent then we get an error because COUNTER is NULL! 
I tried the following to fix this but all have failed:


INSERT OR UPDATE myTable
SET name = 'Omer', 
    counter = CASE 
        WHEN counter IS NULL THEN 1 
        ELSE counter + 1
    END


INSERT OR UPDATE myTable SET name='Omer',counter = COALESCE(counter + 1, 1)

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Article Sergio Farago · Feb 21, 2025 3m read

Hello Community:

Let's go with the last article on how to record yourselves for the Article Contest video bonus.

I'm not going to go into how to do very specific things in editing because it varies depending on the program you use. The keyboard shortcuts and menus are different, but the concept is the same. You are going to use a programme to organise the recorded material, remove the excess and give it structure. Many of these softwares are free (Capcut, Canva and if I'm not mistaken DaVinci had a free version). I've been editing with Adobe Premiere for almost ten years now (wow, I'm getting old), so if you have any questions about this software, feel free to write to me.

Here are some concrete tips:

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Article Mary Ann Fusi · Apr 30, 2024 2m read

InterSystems worked closely with the Red Hat Insights team to implement a curated set of recommendations for system administrators to ensure the best experience running InterSystems IRIS on Red Hat Enterprise Linux (RHEL). Included with all RHEL subscriptions, the Insights service proactively identifies potential issues with monitored platforms and applications running on RHEL. Through our joint collaboration, Insights now watches for common scenarios that decrease the performance of IRIS in most cases and offers an InterSystems-approved recommendation for consideration.  

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Question Sowrick Nandi · Nov 15, 2023

Hello community members!
I am trying to connect to Caché database from Azure data factory using ODBC connection. The aim is to read data from Caché and write it in Azure blob storage using copy activity. The ODBC connection is successful and i can see the Caché  tables, but i'm facing an error while reading the table contents.
I'm getting the below error :

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InterSystems Official Bob Kuszewski · Feb 20, 2025

Welcome to the Q1’2025 quarterly platforms update. 

If you’re new to these updates, welcome!  The big news this quarter is the upcoming Red Hat Enterprise Linux 10 release.  Read on for more on that.  This update aims to share recent changes as well as our best current knowledge on upcoming changes, but predicting the future is tricky business and this shouldn’t be considered a committed roadmap. 

With that said, on to the update…

InterSystems IRIS Production Operating Systems and CPU Architectures

Red Hat Enterprise Linux

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Discussion Eduard Lebedyuk · Feb 13, 2025

It's been a while (and everyone is well-rested after Advent Of Code!) so let's run another round of Code Golf.

Your task is navigating in a grid-like labyrinth in a clockwise spiral pattern. As it traverses the matrix, it collects characters, revealing a secret message. Your challenge: find the shortest, most elegant code to decode this spiral cipher. Input:

  1. A multidimensional string array with comma separated characters (n x n)
  2. Starting coordinates X and Y

Output: The decoded message as a single string

Constraints:

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Article Nikita Savchenko · Apr 1, 2016 6m read


Hello!

This article is a small overview of a tool that helps to understand classes and their structure inside the InterSystems products: from IRIS to Caché, Ensemble, HealthShare.

In short, it visualizes a class or an entire package, shows the relations between classes and provides all the possible information to developers and team leads without making them go to Studio and examine the code there.

If you are learning InterSystems products, reviewing projects a lot or just interested in something new in InterSystems Technology solutions — you are more than welcome to read the overview of ObjectScript Class Explorer!

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