Roger Costello

Roger Costello has asked 37 questions and find answers to 1 problems.

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About

I have been doing XML for many years. On my web site I have a lot of articles and tutorials that I've written on XML. Recently I have been immersed in learning Lambda Calculus and Combinators. Fascinating stuff!

Roger Costello questions

ANTLR4: lexer rule for: Any string as long as it doesn't contain these two side-by-side characters?
Convert a Scheme call-with-current-continuation to Common Lisp?
ANTRL4: Can't get Python ANTLR to generate a graphic of the parse tree
Common Lisp idiom for filtering a list and applying a function to the unfiltered elements?
The type signature of a combinator does not match the type signature of its equivalent Lambda function
How to create a K combinator in the enchanted forest? (To Mock a Mockingbird)
What does this combinator do: s (s k)
Haskell Lambda functions -- two seemingly equivalent functions, one works and the other is erroneous
Common Lisp: A good way to represent grammar rules?
What does *(int *) variable = value mean?

Roger Costello answers

Find all namespace declarations in an XML document - xPath 1.0 vs xPath 2.0