Pick a topic you think you already know—for example, LINQ . Spend a Saturday reading The Full English .Net's series on LINQ optimization. You will likely discover that 30% of your LINQ queries at work are silently allocating gigabytes of memory. The site provides the benchmarking code so you can run the tests yourself.
Check your project properties to see which version (e.g., 4.6.2, 4.8) is targeted. the full english .net
Unlike video courses that force you into a linear path, The Full English .Net works best as a "just-in-time" learning library. Here is a strategic approach to using the resource effectively. Pick a topic you think you already know—for example, LINQ