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Blog roll Vjeko.com

  • čet 8.6.2017
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    Invoking Azure Functions from AL

    One elegant way of replacing your .NET interoperability code with something else is by using Azure Functions. Sounds good in theory, but what does it take in practice? And what are Azure Functions, anyway? Let me not take too much latitude, and let me just say that Azure Functions...
  • uto 6.6.2017
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    State of .NET Affairs

    I said a word or two about progress last week. Apparently, VS Code is not the only place where we take a small step back to be able to make a huge leap forward; .NET might seem like another one. You know it, right? You know that if you want to run your .NET code … Continue...
  • čet 1.6.2017
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    Is Visual Studio Code really an improvement

    Progress often doesn’t look like progress at all when it first arrives. When on July 3, 1886, Daimler Benz presented his first car, it had a 0.75 horse-power engine that could reach a top speed of 16 km/h. It was able to cover 45 km on a single fuel tank, and it could only...
  • pet 10.3.2017
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    More about ISEMPTY

    I had much second thought about whether I should even blog this one. You know, it so profoundly belongs in the Duh! category that I have actually created the Duh! category specifically for this post. Now, fasten your seatbelt. I apologize for what you are about to see,  but...
  • čet 9.3.2017
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    When you just must COUNT, no matter what

    I started with blogging about COUNT = 0 situation. Then I followed it with COUNT = 1. So, let’s do a COUNT = 2 today. No, no, I am just kidding, don’t worry 🙂 But I still have to do one more COUNT post, one that will cover all other COUNT situations. Believe it or … Continue...
  • sri 8.3.2017
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    The “IF COUNT = 1” Conundrum

    If you haven’t read my yesterday’s post, then do that first. Good. At this point you are extremely smart because you know that you should never use COUNT = 0 but should use ISEMPTY instead. However, what if: IF SomeTable.COUNT = 1 THEN  DoSomething(); Well, if this is what you...
  • uto 7.3.2017
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    Are there any records there?

    It’s been a while that I haven’t blogged, and my queue grows inversely proportional to the amount of time I have available for blogging, so let me do a short series of easy stuff, simply to take it off the list. This is not about new features, crazy new tips and tricks or anything...
  • sub 31.12.2016
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    Better late than never: NAV TechDays 2016 goodies

    This year my work got a better of me. For five years in a row I have posted all my demos and materials from NAV TechDays sessions right after them. However, this year, I failed. And I apologize for this. But, as the saying goes, good things come to those who wait, and here it …...
  • uto 29.11.2016
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    HelloWorld.al

    Finally. Not quite, but still – finally! We finally get the first public glimpse of future of AL code writing, courtesy of Microsoft Dynamics NAV development team. As you might know, Microsoft is working around the clock to enable new kind of programming for NAV: using Visual Studio...
  • sri 19.10.2016
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    C/AL internals: Some more invalid object states

    If you have followed the posts about how C/AL really executes in NAV, you know that C# and C/AL can sometimes be in a state where C/AL compiles, but C# does not, causing you some headaches during run time. However, what might not be obvious is that there are situations where C/AL...
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    C# Injection: Don’t trust FOB

    FOBs, those pesky little files that we all take for granted, import into our databases, and live happily ever after. After you read this post, you’ll handle FOB files very, very carefully. Why is that? Well, if you haven’t already, then read this post first: From C/AL to executable:...
  • uto 18.10.2016
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    Quick Tip: Extension Demo Data

    Extensions are a hot topic these days. There was a ton of sessions at both Directions events, likely also at NAVUG, and most of the talks you could hear while mingling around was extensions this, extensions that. Chances are – you are going to be writing your extensions in a...
  • pet 14.10.2016
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    Module Binder Pattern proposal

    Whoa! This has been quite an event, the Directions EMEA 2016 in Prague. There has never been this many people (1.700+) and it was quite a pleasure connecting again with old friends, and meeting new friends. Also, it has been quite a pleasure listening to many good sessions, and an...
  • čet 6.10.2016
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    From C/AL to executable: how NAV runs your C/AL code

    A lot of folks write C/AL and never worry about what happens then. C/AL is written, NAV execute is, the story ends. The same way the story ends when you flush a toilet and the tank refills. How exactly? Who cares. While understanding the inner workings of a toilet flush tank doesn’t...
  • sri 5.10.2016
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    I had a dream: codeunit references

    Polymorphism is a great thing. .NET, Java, C++ and other folks have enjoyed its benefits for a long time, some more than a quarter century already. Meanwhile, we, the meager C/AL bunch, can only dream about it and draft our little patterns that all come short of it if only by a...
  • uto 4.10.2016
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    Privremena objava koja se koristi za utvrđivanje teme (ea8a60b1-977a-4717-bab6-28202495810d – 3bfe001a-32de-4114-a6b4-4005b770f6d7)

    Ovo je privremena objava koja nije izbrisana. Izbrišite je ručno. (8661e978-bf5f-4471-bd11-a022ae378c4a – 3bfe001a-32de-4114-a6b4-4005b770f6d7) Read this post at its original location at http://vjeko.com/privremena-objava-koja-se-koristi-za-utvrdivanje-teme-ea8a60b1-977a-47...
  • Vjeko.com ideas in the cloud

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    Gentlemen’s agreement pattern, or handling the “Handled” pattern

    I’ve delved deep into design patterns story with my last two blog posts, but I am far from over. The patterns I discussed are the ones we could use up until NAV 2015 (we can still use them, of course!) but some more robust loose coupling (excuse the near-oxymoron) can be achieved...
  • pon 3.10.2016
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    TempBlob Façade: a pattern proposition

    Achieving some kind of polymorphism in C/AL has always been a problem. The fact that true polymorphism with pure C/AL is outright impossible has not stopped the more stubborn of us to at least give it a try. That’s how some cool patterns emerged. The façade pattern has been evangelized...
  • pet 30.9.2016
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    Decoupling dependencies in C/AL

    Directions US 2016 (yes, 2016, sorry y’all who got the 2017 link in your mailbox) was quite an event. As Directions always is, a lot of people, enthusiastic about this market we strive to thrive in, and about the product we love no matter the limitations we often face when we aim...
  • čet 29.9.2016
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    Directions US 2016: Goodbye, Phoenix!

    Directions US. What more to say than: wow! This was an amazing conference, again. A lot of people, a lot of vibe, a lot of NAV. And this year, a lot to look forward to. Microsoft didn’t disappoint with the news. Dynamics 365 is here with new paradigms, apps are the new big thing,...
  • Vjeko.com ideas in the cloud

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    Long time, no see

    Time flies, eh? It seems you folks have been busier here on my blog than I was. Four months whooshed by since I last posted something here, and I have been so busy that it seems like a week. Today I decided to use my last hours in Phoenix, Arizona, after a successful Directions US...
  • uto 17.5.2016
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    OnAfter table event subscriber patterns and antipatterns

    The purpose of events is to simplify business logic customization while not impeding upgradeability and general extensibility. However, there is one particular class of events that may cause troubles: OnAfter* table events. There are four of them: OnAfterInsert, OnAfterModify,...
  • sub 7.5.2016
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    NAV performance part 4: SQL Azure

    SQL Azure is a very interesting service. It’s as interesting as it is misunderstood both in terms of how exactly it works, and what it’s intended to be used for. First of all, it’s not really the same thing as SQL Server that you install on your box, virtual or physical. It certainly...
  • Vjeko.com ideas in the cloud

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    NAV performance part 3: Azure VM configurations

    While NAV has traditionally mostly been a domestic animal, it’s now getting pushed more and more cloudwards. A large number of partners and customers are considering Azure VMs as their platform of choice as it has many benefits over purchasing and running the whole show in your own...
  • pet 6.5.2016
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    NAV performance part 2: On-prem configurations

    On-prem is where NAV has ran for ages, and where it will still primarily run for a while more. So I test several on-prem configurations with different processors, disks, and memory, to see how these configuration behave in scenarios I described in the original post. I don’t have...
  • Vjeko.com ideas in the cloud

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    NAV performance in various configurations

    Yes, I have been a lazy blogger lately. With so many people blogging about NAV nowadays, it’s really difficult to come up with original content all the time. Let venture a little bit out of my .NET and JavaScript comfort zone, and hang around a more formidable beast: SQL. And as...
  • pet 22.4.2016
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    Dynamic certificate validation when calling Web services

    There are situations when you’ll want to call Web services from C/AL, and those Web services might be protected by certificate that your local machine cannot validate directly. Web service might be secured with a self-signed certificate, or by a certificate obtained from an authority...
  • pon 8.2.2016
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    Dynamically loading assemblies at runtime

    When you spend more time in C# than C/AL, and you still tell yourself and the world around you that you are developing for NAV, then this post is for you. I already wrote a three-article series about “DLL hell” and how to resolve it, and in my last post in the series (http://vjek...
  • pet 5.2.2016
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    Microsoft Dynamics NAV Managed Service Goodies

    Over the course of creating my videos, I have created a number of demos, and massive amount of code (well, massive in relation to the duration of videos). So, with Microsoft’s agreement, I have published all of the demonstrated C# and PowerShell code to my GitHub repository. If you...
  • Vjeko.com ideas in the cloud

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    How Do I: Win the World with Managed Service

    Over the past month or so I was very busy with the Microsoft Dynamics NAV Managed Service for Partners. One part was in line of my work, where we were busy around the clock bringing our solution to Managed Service. The other part was creating a handful of videos for Microsoft to...
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