Category Archives: c#

Sudoku resolver (my own algorithm)

This is my own algorithm to resolve a Sudoku 9 x 9 cells, this is the logic of the resolution:

first I have a fixed cells with some values , for example this;


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Barcode Generator EAN128, EAN13, QR, DataMatrix ( dll / exe versions)

This is my new barcode generator ( image based ) to create EAN128, EAN13, QR, DataMatrix Barcodes.

You can use it with 2 versions, commnad line version (standalone executable )  or a  dll to use with your .NET projects ,

You can Download it from this link:

here are these videos showing both the operation of the dll and the executable utility:



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Consuming a NAV (2015,2017,2018) / BC ODataV4 from C# or .NET

To Consume a ODataV4 form Visual Studio (+2017) you need to add this extenssions installed:

and the odata will be enabled:


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Git Bash + Azure dev ops + Visual studio Code

This is a guide to use git Bash with Azure dev ops,

first we need to login at azure dev ops :

you can login from office 365 account, or sign in.


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LINQ to XML Group by C# alternatives

The problem:
I have a xml variable Xdocument in C# like this:

I want to do a “group by” all the same records:


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