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Article

David Hockenbroch · Apr 2, 2024 9m read

Emailing with Office 365 and ObjectScript

One of the most common kinds of integration we are asked to do is emailing. One of the most typical email services our customers use is Microsoft’s Office 365. After setting up the right configuration on the Microsoft side, we can email from IRIS with two HTTP requests.

#API #Authentication #Code Snippet #JSON #OAuth2 #ObjectScript #REST API #InterSystems IRIS

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Article

David Hockenbroch · Sep 11, 2024 9m read

Dates with InterSystems

Do not let the title of this article confuse you; we are not planning to take the InterSystems staff out to a fine Italian restaurant. Instead, this article will cover the principles of working with date and time data types in IRIS. When we use these data types, we should be aware of three different conversion issues:

Converting between internal and ODBC formats.
Converting between local time, UTC, and Posix time.
Converting to and from various date display formats.

#Code Snippet #ObjectScript #SQL #Tips & Tricks #InterSystems IRIS

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Article

David Hockenbroch · Nov 5, 2024 7m read

Recognizing Barcodes With Embedded Python

As we keep updating our software, we often realize that we require more and more modern solutions. So far, only one major piece of our software relies on reading barcodes in documents and images. Since Cache did not have a means of reading barcodes in the past, we have always achieved our goals by using a Visual Basic 6 application. However, it is no longer an ideal solution because it is currently complicated to maintain it. IRIS also lacks this capability, but it has recently got an option that makes up for it: embedded Python!

#Code Snippet #Coding Guidelines #Embedded Python #JSON #ObjectScript #Python #Tips & Tricks #InterSystems IRIS

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Article

David Hockenbroch · Oct 14, 2024 9m read

What's the Catch?

Many programming languages use the try-and-catch construct to handle runtime errors gracefully. If the code within the try block encounters an error, it will throw an exception to the catch block, where the error handling occurs.

#Beginner #Code Snippet #Coding Guidelines #Debugging #Error Handling #ObjectScript #Tips & Tricks #InterSystems IRIS

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Article

David Hockenbroch · Apr 25, 2024 3m read

Making A Variable Watch Itself

I came up with a challenge for myself to come up with a way to make a variable watch itself for a certain value and do something when it hits that value without having to check it every time something touches it. Basically, a way to say "if at any point during the execution of this code, if x = 0 (or whatever the condition is) do this thing." The class I ended up with watches a %Status:

#Code Snippet #Error Handling #ObjectScript #Tips & Tricks #InterSystems IRIS

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Article

David Hockenbroch · May 9, 2024 9m read

Microsoft 365 - Events and Tasks

In our previous article, we explored how to send emails through Microsoft 365 using the Graph API. Since then, an anonymous client reached out to me about setting up some other methods of notifications through that API.

#API #Code Snippet #ObjectScript #Tips & Tricks #Tutorial #InterSystems IRIS

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Article

Keren Skubach · Dec 12, 2024 4m read

Creating a primitive extension in a FHIR resource

An extension “extends” or enhances a FHIR resource or a data element in a custom way. The extension can be added to the root of a resource, such as “Patient.ethnicity” in US Core profile, and they can be added to individual elements such as HumanName, Address or Identifier.

Did you know that you can also add an extension to a primitive data type?

Primitives usually store a single item and are the most basic element in FHIR. For example: "Keren", false, 1234, 12/08/2024 etc.

For example, the patient resources might look like this:

#Code Snippet #Coding Guidelines #FHIR #InterSystems IRIS for Health #Documentation #Health Connect

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