War heroes, like Paul Revere, are well known. However, there are also war heroes that a lot of people have never heard of. Unheralded as they maybe, they are worthy of commendation for very few people are willing to endure what these 25 war heroes you probably never heard of have endured. Subscribe to List25.
Lambda calculus. Lambda calculus (also written as Î»-calculus) is a formal system in mathematical logic for expressing computation based on function abstraction and application using variable binding and substitution.
A lambda expression is an anonymous function and it is mostly used to create delegates in LINQ. Simply put, it's a method without a declaration, i.e., access modifier, return value declaration, and name. Convenience. It's a shorthand that allows you to write a method in the same place you are going to use it.