You can't. Companies typically throw up every thing and anything that the need or desire. Then hire the candidate who is the best match


>I think true...
>I was cruising around and looked at some job ads for c#/.NET. Everyone wants FULL STACK web developer.
>And many require that you be "proficient" in all of disciplines.....Ajax, JavaScript, CSS, MVC, jQuery , SASS , LAMP stack ....etc...... What the heck is a LAMP stack?
>.
>How can one person know that this?