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Of the 23 design patterns outlined in the GoF book, one I find myself reaching for time and time again is the façade pattern. In fact, I was making use of this design pattern before I even knew that the technique employed was called the

When implementing any type of programming language, be it a enterprise scale systems language like Java, a small Domain Specific Language and practically anything in between there is a myriad of design decisions to be made that will influence the overa

When it comes to parsing expressions many, many books will cover addition, subtraction, and multiplication, often times leaving the implementation of division, exponents and square root "as an exercise for the reader". This is done to keep tex

It's no secret that I am an iterator pattern fan boy. When it comes to implementing search trees - or any container of which you would like to access the elements one by one and in-place for that matter, the iterator pattern is indispensable. It allows

Binary Search Tree's are great. A couple dozen lines of code yields you with an efficient ordered collection suitable for all kinds of stuff from sets to symbol tables. A couple dozen more lines, and that efficiency can be guaranteed through self balan