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Announcement
· Nov 29, 2024
[Video] Succeeding with AI

Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

Succeeding with AI @ Global Summit 2024

https://www.youtube.com/embed/RoKxtWtyu1g
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Hello everyone,

I just want to know if there is a difference in performance between using Class methods versus MAC routines?

For example:

do Method^MyFunction()

versus

do ##class(MyFunction).Method()

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I use a swagger file and ##class(%REST.API).CreateApplication to create the rest api.

There is an interesting post: https://community.intersystems.com/post/download-file-rest-api-operation, but it is code, not a swagger configuration. disp.cls returns always a header content : application/json that of course fails as I am not always returning a json

I can not figure out what to put in swagger. Some examples I tried:

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It's been a while since the new UI for Productions and DTL was published as a preview and I would like to know your opinions about it.

WARNING: This is a personal opinion, totally personal and not related with InterSystems Corporation.

I'm going to start with the Interoperabilty screen:

Production screen:

The style is sober and without frills, following the line of cloud services design, I like it.

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Hi all.

I hope you can help me.

I've renamed a namespace and its databases names.

  • Old Namespace: LABORATORIO
  • New namespace: SRV-LABORATORIO

The rename of all has worked fine. When I've tried to access to the portal, it is no available, displaying the message "Tha namespace SRV-LABORATORIO does not support productions"

So, I've run the following command in terminal

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Article
· Feb 14 5m read
HTTP and HTTPS with REST API

HTTP and HTTPS with REST API

Hello

The HTTP protocol allows you to obtain resources, such as HTML documents. It is the basis of any data exchange on the Web and a client-server protocol, meaning that requests are initiated by the recipient, usually a Web browser.

REST APIs take advantage of this protocol to exchange messages between client and server. This makes REST APIs fast, lightweight, and flexible. REST APIs use the HTTP verbs GET, POST, PUT, DELETE, and others to indicate the actions they want to perform.

When we make a call to a RESt API, what actually happens is an HTTP call. The API receives this call and according to the requested verb and path, the API performs the desired action. In the case of the Iris implementation we can see this clearly in the URLMap definition area:

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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

How to Reach 99.99% Uptime on the Cloud @ Global Summit 2024

https://www.youtube.com/embed/BdvMp7cOi7w
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I want to integrate IRIS with Keycloak OAuth2 provider to use delegated authentication everywhere and to secure everything - sys*/Portal applications, REST services, FHIR server and so on. If an unathenticated user tries to access any IRIS URL - he or she should be redirected to Keycloak. After the user has successfully authenticated, i would like to access his requistes (username, email, roles, scopes) extracted from the JWT token, programmatically. What should be done to achieve that?

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Hi Community,

Let's meet at the online meetup with the winners of the Developer Tools Contest. It's a great opportunity to chat with the InterSystems Experts team and our contestants.

Winners' demo included!

Date & Time: Monday, October 7, 10:00 am EDT | 4:00 pm CEST

https://www.youtube.com/embed/dM06RvMaT-k?si=hkTP2pQU7TDnHg-2
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Could any one tell me, how the index works in cache db, Consider for example, I have a table called "Employee" and the fields as "EMPID, EMPNAME, EMPAGE" and I am having index for EMPID as IDX_EMPID and trying to get the record using the following query as

SELECT * FROM EMPLOYEE WHERE EMPID="005"

and the table data be like

EMPID EMPNAME EMPAGE

001 ABC 20

002 AAA 21

003 ABB 23

004 BBB 20

005 BDF 24

006 EEE 22

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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

Leveraging Automation Tools for Deploying InterSystems IRIS Applications @ Global Summit 2024

https://www.youtube.com/embed/pxHrYN7_iKk
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Here at InterSystems, we often deal with massive datasets of structured data. It’s not uncommon to see customers with tables spanning >100 fields and >1 billion rows, each table totaling hundred of GB of data. Now imagine joining two or three of these tables together, with a schema that wasn’t optimized for this specific use case. Just for fun, let’s say you have 10 years worth of EMR data from 20 different hospitals across your state, and you’ve been tasked with finding….

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If both fields are numeric and the result of subtraction of field1-field2 is positive, only then put the result is a data field.

I am doing this within an Iris DTL.

I don't find any functions like IsNumeric(). Once I get that, I can test if field1>0 and field2>0, do the subtraction, and test if diff>0.

I just need a function to determine if they are numeric, rather than some cumbersome way like a regex where the only characters are 0-9.

I see functions in documentation but don't see them used at tests, only in WRITE statements.

Thanks,

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Question
· Aug 28, 2024
JOB $SYSTEM.obj

IS THERE A WAY TO JOB A $SYSTEM.OBJ FUNCTION AND FIND IF THE JOB IS RUNNING OR FINISHED TO ASYNCHRONOUSLY CONTINUE OR HALT THE PROCESS?

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I am a volunteer at a nonprofit that is attempting to connect to a product that uses InterSystems Cache (Clinisys LIMS). I have not used this database before, but I have used many others (MS-SQL, Oracle, etc.). I am hoping IRIS is compatible enough with Cache for this project.

I downloaded IRIS. I learned about Terminal [IRIS]. Using it I was able to create a new table, insert data, and retrieve it. I also used the Management Portal to query the new table. It also returned the data.

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Introduction

Database performance has become a critical success factor in a modern application environment. Therefore identifying and optimizing the most resource-intensive SQL queries is essential for guaranteeing a smooth user experience and maintaining application stability.

This article will explore a quick approach to analyzing SQL query execution statistics on an InterSystems IRIS instance to identify areas for optimization within a macro-application.

Rather than focusing on real-time monitoring, we will set up a system that collects and analyzes statistics pre-calculated by IRIS once an hour. This approach, while not enabling instantaneous monitoring, offers an excellent compromise between the wealth of data available and the simplicity of implementation.

We will use Grafana for data visualization and analysis, InfluxDB for time series storage, and Telegraf for metrics collection. These tools, recognized for their power and flexibility, will allow us to obtain a clear and exploitable view.

More specifically, we will detail the configuration of Telegraf to retrieve statistics. We will also set up the integration with InfluxDB for data storage and analysis, and create customized dashboards in Grafana. This will help us quickly identify queries requiring special attention.

To facilitate the orchestration and deployment of these various components, we will employ Docker.

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Article
· Oct 17, 2024 2m read
Helpful CCR Resources

Users of the InterSystems Change Control Record application (CCR) often ask for useful resources which can help them learn CCR and stay in the loop on updates. Please see this list of resources below and post ideas for additional resources or questions you may have!

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There is a list of numbers from 1 to 190.

AllList="1,2,3,4,5,6,7,8,9,.....,187,188,189,190"

There is a collection of sets of these values:

List(1)="3,5,6,7,9"
List(2)="1,2,6,9"
List(3)="5,8,9"
List(4)="2,4,6,8"
List(5)="4,7,9"

What is an elegant approach in Object Script to pick the least number of list items:

  • List(1)
  • List(5)
  • List(n)

That together would cover as many numbers as possible from the AllList.

Interested in best coverage over efficiency.

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Question
· Nov 24, 2024
Intersystems REGEX engine

I am working on a product that uses REGEX and matches it.
The regex is tested both on the client-side (using the JavaScript REGEX engine) and both on the server-side.

But I couldn't find one word about the way intersystems parses the regex, It is quite elementary to state which which engine it works with.

from what I could gather from early implementations and such, the engine is based off PCRE, But I need to confirm this somehow, Can anyone give me a definitive answer, Is there any tool to test the regex other than writing it myself??

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Question
· Sep 25, 2024
LDAP Authentication Question

I am trying to track down a problem we saw this morning with our TEST environment. We had a momentary issue where InterSystems HealthShare Health Connect could not connect correctly to LDAP. When we tried to login and could not connect to LDAP, the system would Delete our users.

the Test LDAP function would return a "Can't contact LDAP server". I went through the Certificates, made sure they had the correct permissions and were not expired.

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Hi Community!

We hope you enjoyed our Developer Community AI sweepstakes and learned something new while interacting with our DC AI. Now, it's time to announce the winner!

https://www.youtube.com/embed/_4bbKTFgO58
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Hi Community,

Enjoy the new video on InterSystems Developers YouTube:

Security In the Cloud - Assuring a Secure InterSystems IRIS Cloud Overlay @ Global Summit 2024

https://www.youtube.com/embed/BGQG7gwBxZc
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