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What is WEB-INF used for in a Java EE web application?
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How to reference generic classes and methods in xml documentation
...rks of course. But how do you reference a class or a method with generic types?
7 Answers
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C char array initialization
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LINQ - Full Outer Join
I have a list of people's ID and their first name, and a list of people's ID and their surname. Some people don't have a first name and some don't have a surname; I'd like to do a full outer join on the two lists.
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What is the main difference between Inheritance and Polymorphism?
I was presented with this question in an end of module open book exam today and found myself lost. I was reading Head first Java and both definitions seemed to be exactly the same. I was just wondering what the MAIN difference was for my own piece of mind. I know there are a number of similar quest...
Uniq by object attribute in Ruby
...most elegant way to select out objects in an array that are unique with respect to one or more attributes?
14 Answers
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Pickle incompatibility of numpy arrays between Python 2 and 3
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PHP json_encode encoding numbers as strings
I am having one problem with the PHP json_encode function. It encodes numbers as strings, e.g.
17 Answers
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Why does this Java program terminate despite that apparently it shouldn't (and didn't)?
A sensitive operation in my lab today went completely wrong. An actuator on an electron microscope went over its boundary, and after a chain of events I lost $12 million of equipment. I've narrowed down over 40K lines in the faulty module to this:
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Select first row in each GROUP BY group?
...e title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY .
17 Answers
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