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Hi Community!

We're pleased to invite all the developers to the upcoming "Enterprise-grade Source Code Management" webinar on May 21st at 11:00 AM EDT.

You will learn how Deltanji from George James Software can control large scale InterSystems applications throughout the development, testing, deployment and maintenance cycle.

Presenters:
@George James, CEO, George James Software
@John Murray, Senior Product Engineer, George James Software

What is Deltanji and what will be demonstrated at this webinar?

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Hi ObjectScript developers!

How to Protect Your Belongings from Pests While Moving - Delicate ...

InterSystems ObjectScript is perhaps the best language on the planet to deal with globals - and it is an interpretable language.

Yes, it has a compiler. But even the compiler can compile some lines in ObjectScript which will then fire as bugs during the runtime.

There are some technics on how to avoid that such as unit testing, coding guidelines and your coding experience, of course ;)

Here I want to present to you the yet another approach to how you can reduce the number of errors in your ObjectScript runtime and enforce coding guidelines - it's an ObjectScript Quality tool developed by Lite Solutions, InterSystems solution partner.

See the details below.

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Question
· May 24, 2020
calling AIX command failed

I can run the following commands from the AIX command line prompt without any problem

-bash-2.05b$ echo t
t
-bash-2.05b$ echo œ
œ

When I call from insider cache, I have problem.

USER>D $ZF(-1,"echo t")
t

USER>D $ZF(-1,"echo œ")

D $ZF(-1,"echo œ")
^
<TRANSLATE>

I am using cache 2017.2. Can someone shed some light?

Thank you.

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Hey Developers,

The recording of the Kick-Off Webinar for InterSystems IRIS Native API Online Programming Contest is now available on InterSystems Developers YouTube:

https://www.youtube.com/embed/t4MPzIjjISw
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Speakers:
@Bob Kuszewski, InterSystems Product Manager
@Evgeny Shvarov, InterSystems Developer Ecosystem Manager

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Question
· May 21, 2020
PDF to Dicom

I have an upcoming project where we are being asked to take a PDF result and send it to a PACS system as a DICOM encapsulated PDF. I am wondering if anyone has done this and if so can you share your experience?

Thanks,

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Hi !

I am getting below error in my .NET MVC project, I am IRIS Entity Framwork, in the database table filed and model having the same datatype int.

The specified cast from a materialized 'System.Int64' type to the 'System.Int32' type is not valid db Table creation Id field is created with [xDBC Type = BIGINT]

Please kindly advice me.

Thank you

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Hi, Community!

I'm using Git with DeepSee and when I need to do a commit to the git repo I'm exporting ALL the pivots and dashboards from the namespace. But I can forget to do that) And it can take time for a large system.

What is the way to manage automatical export of DeepSee artefacts which we are editing in UI (Cubes, Pivots, Dashboards, Pivot Variables, Term lists, Shared Measures) into files every time when I push Save button?

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Hi All,

It must be the groundhog days but I can't solve something that I know I've done before. I have a legacy CSP page on a version of Cache without JSON and just pure Cache.

I need a CSP page that takes a .xlsx file, manipulates the file (in COS) and then returns a new manipulated file.

My CSP Page gets the file fine, the problem is then returning the response with the new file as an attachment. I don't want to pipe to a new csp page with a different content-type so was sure I can set %response.Headers etc to get the reply stream I want.

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If you work with interoperability productions of InterSystems IRIS or Ensemble, no doubt you are familiar with the Message Viewer page. The page supports filtering messages according to filter criteria you enter in the Basic and/or Extended Criteria sections. Extended Criteria conditions are specified as property-operator-value triples. Once you click Search button, such triples become WHERE clause conditions of a generated SQL query executed against message header/body tables.

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Question
· May 21, 2020
why http performance so bad?

Hi,

iris version: IRIS for UNIX (Ubuntu Server LTS for x86-64 Containers) 2019.4 (Build 383U) Fri Dec 6 2019 08:49:54 EST

os: Ubuntu 18.04 LTS

memory: 16G

Disk: 256G SSD

Iris config: default.

soft/hard limit: 65535

I build follow simplest flow to do performance test.

1. create A EnsLib.HTTP.GenericService name it IncomingHTTPService listen on 9980

checked create connection per request

Keepalived = 0

Qsize = 1000

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Hi Developers,

Enjoy watching the new video on InterSystems Developers YouTube:

⏯ Resilient Deployments in the Cloud

https://www.youtube.com/embed/dBDQvFRBlZQ
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Most of us are more or less familiar with Docker. Those who use it like it for the way it lets us easily deploy almost any application, play with it, break something and then restore the application with a simple restart of the Docker container.

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Question
· Apr 28, 2020
Git plugin for Cache Studio

Has anyone recently deployed the cache-git-studio plugin from Github repo?

In particular, I see that this plugin is installed at the namespace level, so it appears for each user have their commits in their own name, they must all be running a locally installed cache server when doing their dev work. I suspect that is the preferred way.

In my organization they are currently just accessing a remote cache server from Studio. In that scenario, it looks like it would be one installation of git for the whole team. and thus only one shared git user.

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Hi community,

I need to write an SQL query to fetch a random record from a table, that table has millions of data.

In postgresql, for example, there is a RANDOM() function to do something like that:

SELECT column FROM table
ORDER BY RANDOM()
LIMIT 1

Is it possible to do something like that in Caché?

Thanks in advance

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The Caché System Management Portal includes a robust web-based SQL query tool, but for some applications it’s more convenient to use a dedicated SQL client installed on a user’s PC.

SQuirreL SQL is a well known open source SQL client built in Java, which uses JDBC to connect to a DBMS. As such, we can configure SQuirreL to connect to Caché using the Caché JDBC driver.

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Hi Developers,

Please welcome the new video specially recorded by InterSystems Product Manager @Bob Kuszewski for the 3rd InterSystems Online Programming Contest on InterSystems IRIS Native API:

⏯ Using the IRIS Native API GitHub Template

https://www.youtube.com/embed/bowj02anRM8
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What’s the contest about?

In the last year, InterSystems added and expanded Native APIs for Java, .NET, Python, and Node.js. The Native API provides high speed access to globals, the ability to instantiate and use ObjectScript objects, and fine-grained control over transactions.

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I have been using %Net.FtpSession and while it works, its handling of file/directory listings from an FTP server is less than ideal and, while this is due to the FTP protocol itself, the class could be written to handle this as would an FTP client such as FileZilla and command line/class FTP handlers for other languages. I was wondering if anyone knows how the Ensemble adaptor works with this in case it provides code that would help, though the source does not seem to be available. Below are the issues I see in FTP, some are based on past experience writing our own FTP handler in the past

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InterSystems has corrected two defects that affect online backup of very large databases. Backups taken via external methods, such as snapshots or direct file copies, are not affected. These defects exist in all released versions of all InterSystems products.

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