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Why would I use Scala/Lift over Java/Spring? [closed]
I know this question is a bit open but I have been looking at Scala/Lift as an alternative to Java/Spring and I wonder what are the real advantages that Scala/Lift has over it. From my perspective and experience, Java Annotations and Spring really minimizes the amount of coding that you have to do f...
How do you check that a number is NaN in JavaScript?
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Try this code:
isNaN(parseFloat("geoff"))
For checking whether any value is NaN, instead of just numbers, see here: How do you test for NaN in Javascript?
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Are +0 and -0 the same?
Reading through the ECMAScript 5.1 specification , +0 and -0 are distinguished.
9 Answers
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What is the rationale for all comparisons returning false for IEEE754 NaN values?
Why do comparisons of NaN values behave differently from all other values?
That is, all comparisons with the operators ==, =, where one or both values is NaN returns false, contrary to the behaviour of all other values.
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Is Fortran easier to optimize than C for heavy calculations?
From time to time I read that Fortran is or can be faster then C for heavy calculations. Is that really true? I must admit that I hardly know Fortran, but the Fortran code I have seen so far did not show that the language has features that C doesn't have.
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Does Haskell require a garbage collector?
...requires automatic, dynamic memory management: automatic memory management is necessary because manual memory management is unsafe; dynamic memory management is necessary because for some programs, the lifetime of an object can only be determined at runtime.
For example, consider the following pro...
Mixin vs inheritance
What is the difference between a mixin and inheritance?
8 Answers
8
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Difference between string object and string literal [duplicate]
What is the difference between
13 Answers
13
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Why is “throws Exception” necessary when calling a function?
...imeException or any of the subclasses of these two. In your case Exception is not a subclass of an Error or RuntimeException. So, it is a checked exception and must be specified in the throws clause, if you don't handle that particular exception. That is why you needed the throws clause.
From Jav...
What is the best algorithm for overriding GetHashCode?
In .NET, the GetHashCode method is used in a lot of places throughout the .NET base class libraries. Implementing it properly is especially important to find items quickly in a collection or when determining equality.
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