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Hi, Community!

And so I continue with publishing of the tasks for the Final round of InterSystems Contest on InterSystems Caché and DeepSee as a part of IT Planet Student Championship in Sochi. This year we had about 2 000 participants in InterSystems Contest.

One of the tasks for the finals was to crack the black box and another to output 9876543210!

Here's the next task: gravity!

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Hi,

I've built a custom HL7 searchtable, but wish to remove some of the items.

I've removed the items I no longer wish to index recompiled the custom searchtable, however the previous searchtable values are available when searching messages in the namespace.

Do I need to rebuild the index for this searchtable to purge searching the old values?

I have stop and started the production.

Regards

Stuart

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How do I write DDL script for collection properties?

For example I want to create the following class:

Class SQLUser.Person {

Property Name As %String;

Property FavoriteColors As list Of %String;

}

My DDL script looks like this:

CREATE TABLE Person (Name varchar(50), FavoriteColors ???)
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Hello everyone,

I talked to a colleague and he said that at the other company he worked, they converted a routine into a line and used that in the terminal like a command. So, I want to know if we have this function native in Intersystems products, or maybe was a program they created, my colleague doesn't remember and this would be useful for me now.

Edit:

Example of function:

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Hi team,

I'll start with an apology as I am trying to wrap my head around the architecture of how InterSystems IRIS database management works. I am attempting to connect to the platform remotely through say a JDBC or ODBC connection in order to run queries, searches (through SQL statements) on my laptop and was trying to understand whether this would be possible? It is possible to setup an inbound client connection and wanted to better understand the architecture of how the database association works for IRIS database management. Does it use it's own internal SQL database or are we able to connect to our own database and which databases are certified to run against the platform?

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Hi,

Is there a way to find the median in Intersystems Cache SQL? I know it is not available as an aggregate function. Also in SQL Server I could try something like:

SELECT
(
 (SELECT MAX(Score) FROM
   (SELECT TOP 50 PERCENT Score FROM Posts ORDER BY Score) AS BottomHalf)
 +
 (SELECT MIN(Score) FROM
   (SELECT TOP 50 PERCENT Score FROM Posts ORDER BY Score DESC) AS TopHalf)
) / 2 AS Median

However, there is no PERCENT Keyword in Cache as well. Any suggestions?

Thanks

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Job
· Jan 5, 2021
#Job Opportunity

We are looking to hire a DevOps engineer with expertise in Intersystems Technologies like Ensemble and/or IRIS as essential.


Main responsibility of the Role will be to implement Version Control and automated CI/CD pipeline for code build and deployment via tools and automation scripts for the current Intersystems platforms within the organisation.

If interested please email your resume to utsavi.gajjar@mater.org.au

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Article
· Dec 27, 2020 2m read
Secure IRIS Digital Services

The InterSystems IRIS has two major paths to a digital service: API/Web Service into Interoperability module and multimodel Database/Analytics. Each of them has your security configuration.

To do API security you apply an OAuth or JWT plug-in to the API endpoint. So in the Admin Portal, API producer and consumers get the keys to authenticate the API and consume it. The Admin Portal allows you configure RBAC policies too.

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Question
· Sep 11, 2020
Automatic Watch variables

I come from Visual Studio and now I use mostly Cache 2017 Studio. One debugging functionality I miss dearly is current local variables automatically appearing in the Watch Variables window together with their values. Yes, I can hover or type them myself but both actions take extra time which is especially noticeable when debugging unfamiliar code across many routines. Any Cache settings or plugins to that effect? If not then why not? And if nothing else is there in Cache, what are the alternatives or hacks in this respect?

Anna

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We have multiple databases running on a single server. I have duplicate interfaces on each database.

If we're doing testing in copy #1, the interfaces should be running in that copy. I want to block analysts who try to start the interfaces in copy #2.

So, I'm looking for something that would check the port and tell me the status: already in use or free.

My challenge is that this system needs to stay ISO/ANSI compliant.... so I can't use any of the newer tricks.
Is there any plain-old Cache' I could use for this task?

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Hello!

Is there a way to create a custom ObjectScript formatting profile with Atelier?

I'm looking for something similar to the built-in controls provided with the Eclipse Java formatter.

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Hello there,

I have some problem with inserting date to table using dynamic sql.

I have Country class. This table has relationship with class Continent as parent and child. In addition I have another statistic class where property Country has type of Country class. I get ID such as "1||1" next I execute dynamic sql INSERT INTO Stats(Country) VALUES("_CountryId_"). Then I select Stats table and see that value of Country column is "11") As a result a can't get Country object.

Please advice solution of this problem

Thank you

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What I find really useful about IRIS when teaching my subject of Postrelational databases is the fact that it is a multi model database. Which means that I can actually go into architecture and structure and all that only once but then show the usage of different models (like object, document, hierarchy) using the same language and approach. And it is not a huge leap to go from an object oriented programming language (like C#, Java etc) to an object oriented database.

However, along with advantages (which are many) come some drawbacks when we switch from object oriented model to relational. When I say that you can get access to the same data using different models I need to also explain how it is possible to work with lists and arrays from object model in relational table. With arrays it is very simple - by default they are represented as separate tables and that's the end of it. With lists - it's harder because by default it's a string. But one still wants to do something about it without damaging the structure and making this list unreadable in the object model.

So in this article I will showcase a couple of predicates and a function that are useful when working with lists, and not just as fields.

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Hey Developers,

Watch this video to learn about InterSystems TrakCare Innovation Toolkit which is a free download that enables TrakCare users to quickly access their data in standard HL7® FHIR® format, making the system of record a system of transformation:

Introduction to the TrakCare Innovation Toolkit @ Global Summit 2022

https://www.youtube.com/embed/hIGE5GdJaTE
[This is an embedded link, but you cannot view embedded content directly on the site because you have declined the cookies necessary to access it. To view embedded content, you would need to accept all cookies in your Cookies Settings]

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Article
· May 23, 2023 1m read
Production settings

When developing interoperability productions, it might be useful to have settings outside of a Business Host. The primary reason is when you need a setting to affect several different Business Hosts and want to guarantee that the value is the same. While System Default Settings can be used to propagate settings for Business Hosts, they can be changed by overriding the value on a BH level (although the advantage of Business Host settings set via SDS is that they don't need custom code which our current approach requires).
Another reason is when you need to affect non-setting parts of the Business Host configuration (PoolSize, Enabled, etc.)

We will be adding an env setting to a production.

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Example:

Method Execute (args...) As %Status {
...
 #dim statement as %SQL.Statement
 set statement = ##class(%SQL.Statement).%New(2)
 set statement.%Dialect = "CACHE"
 do statement.prepare(query)

 #dim rs as %SQL.StatementResult
 set rs = statement.execute(args...)

My questions are: 1) how do I get the size of args **2) how to get all values of **args **3) is it possible to modify the **args?

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Question
· Sep 15, 2022
HTTP failing to connect

Hi Guys,

I'm using the below code that should get me a JSON response, here an example of what I get if I run it from the browser:

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Hello

I am trying to import a WSDL using the wizard and it outputs:

ERROR #6413: Element 'wsdl:binding:operation:msg': corresponding to message null : http://services.sanidad....

I have tried to find more information:

It is close to this case, however it is not the same error number:

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Discussion
· Sep 21, 2020
Unit Testing Naming Convention

Hi Developers!

Recently we discussed the naming convention on packages we deploy and even made some choices.

Here I want to have a conversation on the naming convention for unit tests.

Of course, we wish every good library has unit tests. Here is the documentation and some good articles(one, two, three) regarding it on the Developer Community.

Let's decide on the naming of UnitTests packages?

The suggestion is that unit test classes will all start with the UnitTest package name.

E.g. if your library's class name is:

johndoe.lib.class

The related unit test class will be:

UnitTest.johndoe.lib.class

What about folders?

The suggestion is that unit test classes will live separately from source classes, e.g. in /tests directory.

Here is the example of a repository with unit tests that are named and placed according to the proposal.

What do you think?

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