Because it's often easier to address pixels/cells directly than to use Windows Forms or something similar, it's very often simpler to manipulate raw pixel data directly.
Latest C# Articles - Page 17
"Meta Data" is simply information about the data in an image. Learn to manipulate that data from code.
The .NET DateTime class is not just for getting the current date. It can help you do date calculations and much more.
There's lot's more hidden under the surface of file functions than might appear at first glance.
RSS is still around, despite newer technology in existence. Learn how to make use of the RSS technology.
Learn how to use .NET code to configure email. There's one "gotcha," but it's thoroughly explained.
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Learn to implement exception handling mechanism in C++.
With the arrival of C# 7, tuples have changed quite a bit. If you haven't been using them, read this article; you might reconsider their use.
Learn to use the SqlBulkCopy command within Visual Basic.
Take advantage of pattern matching to check for patterns in your code, improve performance, and simplify your code.