Overview

We started to use Azure Service Bus (ASB) as an enterprise messaging solution 3 years ago. It is being used to publish and consume data between many applications in the organization. Since the data flow is complex, and one application’s data is usually needed in multi applications the “publisher” ---> ”multiple subscribers” model was a great fit. The ASB usage in the organization is dozens of millions of messages per day, while IRIS platform is having around 2-3 million messages/day.

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InterSystems Developer Community is a community of 11,400 amazing developers
We're a place where coders learn and share, stay up-to-date, grow together and have fun!

Python has become the most used programming language in the world (source: https://www.tiobe.com/tiobe-index/) and SQL continues to lead the way as a database language. Wouldn't it be great for Python and SQL to work together to deliver new functionality that SQL alone cannot? After all, Python has more than 380,000 published libraries (source: https://pypi.org/) with very interesting capabilities to extend your SQL queries within Python.

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What is Web Scraping:

In simple terms, Web scrapingweb harvesting, or web data extraction is an automated process of collecting large data(unstructured) from websites. The user can extract all the data on particular sites or the specific data as per the requirement. The data collected can be stored in a structured format for further analysis.

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In the first part, I've shown how to start a new project on Django, as well as define new models and add already existing models.

This time, I'll introduce an admin panel, available out of the box and how it can be useful.

Important note: do not expect that if you try to repeat actions from this post it will work for you, it does not. During the article, I had to do some fixes in the django-iris project, and even in DB-API driver made by InterSystems to fix some issues there as well, and I think this driver is still in development, and we will get more stable driver in future. Let's decide that this article only explains how it could be if we would have all done.

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Date and Time is an important factors in our life. Because all applications are engaging based on Date/Time. But our world is split into multiple time zones. if our product is launched in the world, to maintain the history of events we are definitely required to convert all times to our local time or UTC ( Coordinated Universal Time ). As I know, many known programming languages of C#, JavaScript, Java, etc., provided the library to convert the date and time. i.e with a time zone name we can be able to convert without knowing the UTC offset.

 

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I would say it is a post of pain after years of using InterrSystems IRIS Docker images in many projects.

And I hope InterSystems will hear me and do something with it.

We have a lot of issues with Docker images, but I see no progress in solving them.

  • containers.intersystems.com - any new releases substitute previous versions, makes build useless
    • ARM64 images have separate names, and it makes a pain to use them
  • flags in iris-main, appears and disappears from version to version, which may fail the start the container
  • healthcheck does not work as expected

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Article
Aasir Waseer · Jul 28 1m read
Approach to InterSystems IRIS

Hi Folks,

Before I begin my writing journey here I wish to introduce myself briefly, so that everyone who reads and follows me will get a clear picture.

To start with I did my Bachelors in Physical Sciences, Mathematics and Computer Science were my core subjects. I have 4+ years of experience in HealthCare Revenue Cycle operations including Medical Coding, Billing, AR Collections, Denial Management and Fincial Reconciliation. Also, 2+ years of experience in Data Operations and Analytics, specifically in Python, PowerBI, SQL and MsExcel.

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Following this GitHub we will see how the FIX protocol can be implemented easily using IRIS and Python.

If you don't have much time focus on the Send a Quote before the Order part near the end, as it will, in a matter of minute, tell you how to send a Quote Request followed by an Order Request and show you the result from the server, and that in no more than five clicks.

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InterSystems Native SDK for Python is a lightweight interface to InterSystems IRIS APIs that were once available only through ObjectScript.

I'm especially interested in the ability to call ObjectScript methods, class methods, to be precise. It works, and it works great, but by default, calls only support scalar arguments: strings, booleans, integers, and floats.

But if you want to:
- Pass or return structures, such as dicts or lists
- Pass or return streams

You'll need to write some glue code or take this project (installs with pip install edpy). edpy package gives you one simple signature:

call(iris, class_name, method_name, args)

which allows you to call any ObjectScript method and get results back.

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Hi Community!

We’re so glad to announce that InterSystems FHIR startup incubator —  Caelestinus held its first virtual Demo Day on June 29th!

16 startups have showed off their products and solutions built with InterSystems FHIR Server, or IRIS for Health or Health Connect to an audience of about 15 investors & partners.

The Demo Day is the result of a four-month journey — the equator of the incubator, in which startups have explored InterSystems tech, validated their ideas and presented it on the first Demo Day. In case you missed it,  enjoy watching it on InterSystems Developers YouTube:

📣 The First Demo Day of InterSystems FHIR Startup Incubator — Caelestinus

Here is the list of presenters with pitch decks of the startups.

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Hi! Today I would like to talk about one of the most important architectural patterns in Angular.

The pattern itself is not related to Angular directly, but as Angular is component-driven framework, this pattern is one of the most essential for building modern Angular applications.

Container-Presentation pattern

It is believed that good components should be small, focused, independent, testable and most important - reusable.

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Hi Community,

We are excited to announce that InterSystems Developers Meetups are finally back in person!

The first Python-related meetup will take place on July 21 at 6:00 at Democracy Brewing, Boston, MA. There will be 2-3 short presentations related to Python, Q&A, networking sessions as well as free beer with snacks and brewery tours.

AGENDA:

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Hi Developers!

We are introducing a new feature on Dev Community site – Key Questions by InterSystems Developers.

We've added a new special #Key Question tag to highlight questions related to InterSystems Data Platforms considered as having the biggest impact.

Each month InterSystems Experts will choose such questions, and those authors will be awarded with all the honours!

What honours? Details in this post! 

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It's time to announce the Winners for June! Please welcome our awesome Global Masters Heroes!

The storm of applause goes to these developers and their great contribution to DC in June:

🥇 @Danny WijnschenkApplication Developer/Owner, Winfo, Belgium

🥈 @Lorenzo Scalese, Solution Architect, Zorgi, Belgium

🥉 @YURI MARX GOMESSoftware Architect, YM Services, Brazil

🥉 @Robert Cemperex Senior Sales Engineer from InterSystems, Austria

 Learn more about the competition and our awesome winners below.

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Hello guys!

The Global Summit 2022 in Seattle ended just over a week ago but keynotes are already available for those who missed them while being on the premises or who couldn't attend this in-person event at all for some reason or another (or just for those who wish to refresh their memory and listen to them again).

Without further ado, the beginning of the Global Summit AKA the Greetings from the Community:

Enjoy watching all the keynotes from all three days of Global Summit 2022 via this YouTube playlist: 

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Leet (or "1337"), also known as eleet or leetspeak, is a system of modified spellings used primarily on the Internet. It often uses character replacements in ways that play on the similarity of their glyphs via reflection or other resemblance. Additionally, it modifies certain words based on a system of suffixes and alternate meanings. There are many dialects or linguistic varieties in different online communities. Wikipedia

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Continuing to  observe the possibilities of Django, and usage with IRIS. The first we have looked how to define models and connect to tables already existing in IRIS, than we extended embedded Django Administration portal, with an ability to see what data we have in that models, with filters, editing and even pagination.

Time to go to real action, now we a going to create some REST API, on Django, based on the same data, we used before from the package posts-and-tags.

To do so, we will use Django REST Framework

Django REST Framework

Django REST framework is a powerful and flexible toolkit for building Web APIs.

Some reasons you might want to use REST framework:

  • The Web browsable API is a huge usability win for your developers.
  • Authentication policies including packages for OAuth1a and OAuth2.
  • Serialization that supports both ORM and non-ORM data sources.
  • Customizable all the way down - just use regular function-based views if you don't need the more powerful features.
  • Extensive documentation, and great community support.
  • Used and trusted by internationally recognised companies including Mozilla, Red Hat, Heroku, and Eventbrite.

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When we collect temporary data (the number of purchases in the store, the number of comments on the post), it may happen that there is no data for a certain period of time. In this case, this time period (hour, day, month) is not represented in the database, that is, there is not a single row for this period. In other words, there are no rows in the database for this period.

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Article
Lorenzo Scalese · Jul 21 11m read
ECP With Docker

Hi community,

This is the third article in the series about initializing IRIS instances with Docker. This time, we will focus on Enterprise Cache Protocol (ECP).

In a very simplified way, ECP allows configuring some IRIS instances as application servers and others as data servers. Detailed technical information can be found in the official documentation.

This article aims to describe:

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