Doctors can see representative brain cells in the optic nerve when they examine your eyes-making them a window into your brain. By examining your eyes, a doctor can often detect diabetes, high blood pressure, arterial plaque, multiple sclerosis, brain tumors, stroke, leukemia and many other conditions.
Source code is the raw code that you write when making an application or program. In short what your professor needs is your code. Zip your solution folder which you find at Documents => Visual Studio 2013/2015 => Projects => {name of your project} This is the folder that you zip and send to your professor. Hope this helps.
HTML Source is one of the few web development tutorial sites that has been kept modern along the way. We have tutorials on all the core stuff you want to know to keep your skills up to date. So, here in an easily-accessible list are links to the things which you really really should learn.