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Don Roby

Gloucester, MA

http://donroby.com/

An Agile software craftsman and generalist experienced in building web applications over 14 years, after prior lengthy experience in systems and network administration and a brief career as a Math and CS professor.

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Top Questions
Top Answers
178
Add one day into Joda-Time DateTime
stackoverflow.com

83
Design Patterns: Abstract Factory vs Factory Method
stackoverflow.com

80
Specify which controllers to exclude from before_filter
stackoverflow.com

77
One fix for all IE6 problems
stackoverflow.com

69
Why does TCP wait for three duplicate ACK before fast retransmit?
stackoverflow.com

63
mockito : how to unmock a method?
stackoverflow.com

62
Why use JAX-RS / Jersey?
stackoverflow.com

55
Parenthesis/Brackets Matching using Stack algorithm
stackoverflow.com

53
Using a string inside the DocumentBuilder parse method (need it for parsing XML using XPath)
stackoverflow.com

47
What does [B >: A] do in Scala?
stackoverflow.com

44
How Hibernate.initialize() works
stackoverflow.com

44
Use a layout for a specific action
stackoverflow.com

44
Specs2: Ignore specification with a message?
stackoverflow.com

38
What's the difference between == and .equals in Scala?
stackoverflow.com

38
"Gödel, Escher, Bach" still valid today?
softwareengineering.stackexchange.com

38
Do complex numbers really exist?
math.stackexchange.com

38
matrix multiplication algorithm time complexity
stackoverflow.com

37
Android: which operator for modulo (% doesn't work with negative numbers)
stackoverflow.com

35
What is the best way get the symmetric difference between two sets in java?
stackoverflow.com

33
How to Parse Big (50 GB) XML Files in Java
stackoverflow.com

33
When should I use composite design pattern?
stackoverflow.com

29
Wicket: how to redirect to another page?
stackoverflow.com

27
How many bits is a "word"?
stackoverflow.com

27
Why is "the set of all sets" a paradox, in layman's terms?
math.stackexchange.com

26
Why is it not allowed to narrow down scope of a method while overriding
stackoverflow.com

25
Decorator pattern versus sub classing
stackoverflow.com

21
Java: returning subclass in superclass method signature
stackoverflow.com

21
custom sorting a java array
stackoverflow.com

21
Mockito; verify method was called with list, ignore order of elements in list
stackoverflow.com

21
How to test the tests?
softwareengineering.stackexchange.com

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