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Why does HTML5 form-validation allow emails without a dot?

I'm writing a very simple mock-up to demonstrate some HTML5 form-validation. However, I noticed the email validation doesn't check for a dot in the address, nor does it check for characters following said dot. ...
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How do you crash a JVM?

I was reading a book on programming skills wherein the author asks the interviewee, "How do you crash a JVM?" I thought that you could do so by writing an infinite for-loop that would eventually use up all the memory. ...
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Can I set variables to undefined or pass undefined as an argument?

I’m a bit confused about JavaScript’s undefined and null values. 10 Answers 10...
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What is a “callback” in C and how are they implemented?

From the reading that I have done, Core Audio relies heavily on callbacks (and C++, but that's another story). 9 Answers ...
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Array.sort() doesn't sort numbers correctly [duplicate]

In Chrome 14, and Firefox 5 (haven't tested other browsers), the following code doesn't sort the numbers correctly: 5 Answe...
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How do I get around type erasure on Scala? Or, why can't I get the type parameter of my collections?

It's a sad fact of life on Scala that if you instantiate a List[Int], you can verify that your instance is a List, and you can verify that any individual element of it is an Int, but not that it is a List[Int], as can be easily verified: ...
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How can I make the tabs work normally on Xcode 4?

Xcode finally added tabs but the problem is that they behave very strange. For example they will keep a tab open only if it was opened to a new tab. ...
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What is the 'instanceof' operator used for in Java?

What is the instanceof operator used for? I've seen stuff like 17 Answers 17 ...
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What is the difference between Type and Class?

What makes a type different from class and vice versa? 20 Answers 20 ...
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Concept of void pointer in C programming

Is it possible to dereference a void pointer without type-casting in the C programming language? 15 Answers ...