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Difference between Covariance & Contra-variance
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The question is "what is the difference between covariance and contravariance?"
Covariance and contravariance are properties of a mapping function that associates one member of a set with another. More specifically, a mapping can be covarian...
What is a provisioning profile used for when developing iPhone applications?
What is the purpose of a provisioning profile and why is it needed when developing an iPhone application? If I don't have a provisioning profile, what happens?
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Why no generics in Go?
...plicit unboxing) mean in many cases it is possible to write code that does what generics would enable, if less smoothly.
This remains an open issue.
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What is the JavaScript convention for no operation?
What is the JavaScript convention for no operation? Like a Python pass command.
6 Answers
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Is there an ExecutorService that uses the current thread?
What I am after is a compatible way to configure the use of a thread pool or not. Ideally the rest of the code should not be impacted at all. I could use a thread pool with 1 thread but that isn't quite what I want. Any ideas?
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Storing C++ template function definitions in a .CPP file
...referenced link answers the question positively, i.e. it is possible to do what Rob suggested and have the code to be portable.
– ivotron
May 1 '11 at 21:46
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When is a Java method name too long? [closed]
...ch in a method class if we need such a long name, however I wanted to know what do you guys think about it.
21 Answers
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What is the difference between const and readonly in C#?
What is the difference between const and readonly in C#?
31 Answers
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What is the difference between string primitives and String objects in JavaScript?
...That aside, the behaviour you are trying to name is called auto-boxing. So what actually happens is that a primitive is converted to its wrapper type when a method of the wrapper type is invoked. Put simple:
var s = 'test';
Is a primitive data type. It has no methods, it is nothing more than a po...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
What is the best way to restrict "number"-only input for textboxes?
40 Answers
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