Git storage – SHA1

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If you have ever worked with Microsoft’s Team Foundation version control tools, it wasn’t easy to switch to Git. That’s not because Git was complicated – no, nothing like that at all! It was simply because you had to forget almost everything you thought you knew about version control, and then learn it anew.

There are many fundamental differences between Git and TFVC, and one of the more obvious ones to any newcomer to Git is this:

If it wasn’t obvious on the first go, TFVC is on the left, Git is on the right

No, it’s not about the caption here. Indeed, TFVC calls individual snapshots of changes “changesets” and Git calls them “commits”, but that’s just terminology – the term in itself is not a fundamental difference. I am after something else here.

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What’s new about interfaces in 2021 Wave 1

Microsoft Dynamics 365 Business Central 2021 Release Wave 1 is out (whoa, that was a mouthful) with some new perks for developers. Today, I had another live session at http://vjeko.live, and I made it both the first one in the series of What’s New for the latest release, as well as the episode four of Fun with Interfaces.

Interfaces are such an amazing feature in AL language, that was long missed, and that’s now saving my day nearly every time I do something with AL. The latest AL compiler (runtime “7.0”) comes with these new interesting features about interfaces:

  • You can mark interfaces for obsoletion.
  • You can mark individual interface functions for obsoletion.
  • You can return interfaces as return type from functions.
  • You can define UnknownValueImplementation for enums to specify the interface that represents any unknown enum values.

Let’s take a look at each one of those with examples.

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