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#InterSystems IRIS

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InterSystems IRIS is a Complete Data Platform
InterSystems IRIS gives you everything you need to capture, share, understand, and act upon your organization’s most valuable asset – your data.
As a complete platform, InterSystems IRIS eliminates the need to integrate multiple development technologies. Applications require less code, fewer system resources, and less maintenance.

Question
· Sep 5, 2021
Global Access command query

Hello everyone,

I am new to cache. I want to know is there any direct command to know how to find maximum number of subscripts in global A through direct command.

I mean the answer is 9 but how to check it using a direct command on terminal.

Thanks in advance!!

^A(1)="A"

^A(1,2)="B"

^A(2,1)="CVB"

^A(3,2,7)="'DFGH"

^A(4,1,8,9)="ASDASD"

^A(5,1,2,4,5,6,7,8,9)="ASDASDASD"

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Question
· Aug 8, 2022
FHIR Package Loading Sadness

Im playing whack a mole importing an IG (which is a fairly typical exercise with fhir packages) through FHIR packages, and getting at some parts I cant seem to work around with some store errors...

Im getting MAXSTRING on `hl7.terminology.r4`:

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Hi,

I have a problem when starting the docker container that the collation is standard US

sample:

docker run --name iris1 -d --publish 1972:1972 --publish 52773:52773 containers.intersystems.com/intersystems/iris-community:2022.1.0.209.0 --check-caps false

After the installation I like to import existing classes and globals but it failed due to an collation error

We usually use DEUW = German3

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Let's consider these two ways of passing an obj to a function:

//var is a structured obj
(1) do ..methodX(var)
(2) do ..methodX(.var)

In c++ if we pass an obj by reference like in (2) we save a lot in computation because we are not copying the whole object, and when the object is modified within the function it is modified also for everyone.

In this case does (2) achieve any better performance than (1)? Is passing with the "." save any computation? the object is copied anyway?

Is there a simple way of passing obj to a function?

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Hi

Just looking to tighten up a new application

As an example, the application may have a path such as;

Omniata.au/csp/SomeApp/ListIndex.csp

on a Windows server in the path of ;

C:\InterSystems\IRIS\CSP\SomeApp

and display images from a path such as;

C:\InterSystems\IRIS\CSP\SomeApp\images\Pic1.jpg

If a user wishes to browse through the website, they could point their browser at the path ;

Omniata.au/csp/SomeApp/images

and guesses some file names, they could view the images

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Hello all,

I am hoping someone can give me some guidance.

I have this code below; please see below. It works perfectly fine. However, when I use a different target, it is not working. 0 files were copied.

w $ZF(-100,"/SHELL /LOGCMD","copy","C:\DICOM\IMAGE\IMAGE1.DCM","E:\IMAGE\COPIEDIMAGETEST1.DCM")

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InterSystems FAQ rubric

Using the Config.Configuration class and SYS.Database class methods, you can create and register a namespace database from the terminal.

Below is a series of execution examples that create database file /CacheDB/AAA/cache.dat and register database AAA and namespace AAA in the configuration file (cache.cpf).
* Execute in the %SYS namespace. *

* Make sure that this script runs as the user that is used for all IRIS processes to ensure that the directory has appropriate ownership and permissions *

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Is it possible to hide certain properties in a class from displaying in the BPL visual editor, if you want to prevent drag and drop from accessing them or otherwise controlling or restricting their behavior?

Virtual document messages, such as EnsLib.HL7.Message, have hidden fields, such as Source, that do not show, presumably since the field list is rebuilt from the document schema. Setting the flag Internal, or XMLPROJECTION = "NONE" doesn't do it. Trying to follow the Virtual Document precedent to rebuild or edit the field list seems like a heavy list.

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Question
· Oct 15, 2023
embedded Python over ECP

With ECP we have the option to have a collection of Frontend instances
All Frontend servers typically have a common Master in the background
Concentrating data on the Master server is the primary goal.

As a side effect, this applies also to Classes, Routines, .. anything stored in Globals.
This is probably not the most efficient setup. But rather common anyhow.

Is embedded Python code also stored in Globals?

What is the recommended solution for a similar installation?

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In my previous articles, I described my Command Line Extension to NativeAPI.
Of course, this is also available for any other NativeAPI package.
So I created this example as a demo for the actual Java Contest.
<--break->
The package contains also an IRIS server in Docker for the demo
It is evident that it also works with any remote IRIS server.
You just have to provide it with my NativeAPI CommandLine Extension.

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Article
· Nov 20, 2023 3m read
Parquet files and InterSystems IRIS

In the world of Big Data, selecting the right file format is crucial for efficient data storage, processing, and analysis. With the massive amount of data generated every day, choosing the appropriate format can greatly impact the speed, cost, and accuracy of data processing tasks. There are several file formats available, each with its own set of advantages and disadvantages, making the decision of which one to use complex. Some of the popular Big Data file formats include CSV, JSON, Avro, ORC, and Parquet.

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Question
· May 16, 2024
RSA Encryption Decryption

Hi guys,

I try to make a test of encryption, decryption of a simple text.

I can crypt my text, but I can't decrypt it, do you see somewhere a dummy error of my part ?

Thanks for help

ClassMethod UnitTest()

{

set inputPlainText = "David"

// get private key

set privKeyFileName = "C:\temp\toto.pem"

set privobjCharFile = ##class(%Stream.FileCharacter).%New()

set privobjCharFile.Filename = privKeyFileName

set privKey = privobjCharFile.Read()

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Article
· Jul 16, 2024 6m read
Method or Class Method?

For programmers new to ObjectScript, one question will inevitably arise: “What is the difference between methods and class methods?” A typical answer would be: “A class method applies to a class, but a method applies to an instance of that class.” While that answer is correct, it lacks important information on how these methods di

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I am a first time Python Contest participant and am interested in potentially implementing the community idea found in https://ideas.intersystems.com/ideas/DPI-I-542 if it is something relevant to Python.

Would anyone be able to shed a bit of light on what the desired outcome of that idea being implemented is? There were a lot of upvotes on that idea but there wasn't very much information in it. Thanks!

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Updated 2/27/25

Hi Community,

You can unlock the full potential of InterSystems IRIS—and help your team onboard—with the full range of InterSystems learning resources offered online and in person, for every role in your organization. Developers, system administrators, data analysts, and integrators can quickly get up to speed.

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