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Roger Costello's user avatar
Roger Costello's user avatar
Roger Costello's user avatar
Roger Costello
  • Member for 13 years, 2 months
  • Last seen more than a week ago
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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!

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Top posts
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question
15
Unclear about the meaning of propertyNames
Oct 19, 2018
question
12
An infinite language can't be regular? What is a finite language?
Jul 1, 2013
question
10
JSON: Is there an equivalent of Schematron for JSON and JSON Schema? (That is, a JSON technology to express co-constraints)
Feb 20, 2015
question
10
ANTLR4: Using non-ASCII characters in token rules
Jan 24, 2015
question
9
ANTLR4: Any difference between import and tokenVocab?
Mar 3, 2015
answer
8
Find all namespace declarations in an XML document - xPath 1.0 vs xPath 2.0
May 2, 2012
question
8
Why do a bitwise-and of a character with 0xff?
May 24, 2021
question
7
What does *(int *) variable = value mean?
Mar 22, 2021
question
7
Common Lisp: A good way to represent grammar rules?
Mar 23, 2016
question
6
Is there a programming language that only has the power of a deterministic push-down automata, and no more?
Apr 9, 2013
Top network posts
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11
A computer's memory is finite, so how can there be languages more powerful than regular?
11
Clear, complete, proof that a language is Turing Compete?
6
Why does little endian apply to numbers and not to text strings?
5
Is $a^n b^n$ an artificial language or does it occur in the real world?