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How to enable C++11/C++0x support in Eclipse CDT?

..., find the Preprocessor Include Path and go to the Providers Tab. Deselect all except CDT GCC Builtin Compiler Settings. Then untag Share settings entries … . Add the option -std=c++11 to the text box called Command to get compiler specs. Go to paths and symbols. Under Symbols, click restore defau...
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How do I use IValidatableObject?

... Prop1 = 1, Prop2 = 2 }; bool validateAllProperties = false; var results = new List<ValidationResult>(); bool isValid = Validator.TryValidateObject( toValidate, new ValidationContext(toValidate, null, null), ...
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Python multiprocessing PicklingError: Can't pickle

...the one you posted: Exception in thread Thread-2: Traceback (most recent call last): File "/usr/lib/python2.7/threading.py", line 552, in __bootstrap_inner self.run() File "/usr/lib/python2.7/threading.py", line 505, in run self.__target(*self.__args, **self.__kwargs) File "/usr/lib/p...
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How do you build a Singleton in Dart?

... There's the weird syntax Singleton._internal(); that looks like a method call when it's really a constructor definition. There's the _internal name. And there's the nifty language design point that Dart lets you start out (dart out?) using an ordinary constructor and then, if needed, change it to a...
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When should I use nil and NULL in Objective-C?

... technically, they are exactly equal, you can send messages to both nil and to NULL. Idiomatically though nil is usually used to represent an object – cobbal Oct 14 '09 at 5:43 ...
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Execution time of C program

I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...
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Minimizing NExpectation for a custom distribution in Mathematica

... As far as I see, the problem is (as you already wrote), that MeanResidualLife takes a long time to compute, even for a single evaluation. Now, the FindMinimum or similar functions try to find a minimum to the function. Finding a minimum requires either to set the first derivative of the function...
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How to simulate target=“_blank” in JavaScript

...cking window.open is kinda the point of pop-up blockers! If you make the call in response to a click action it has a better chance of not being blocked. – William Denniss Aug 18 '11 at 15:16 ...
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python: how to identify if a variable is an array or a scalar

I have a function that takes the argument NBins . I want to make a call to this function with a scalar 50 or an array [0, 10, 20, 30] . How can I identify within the function, what the length of NBins is? or said differently, if it is a scalar or a vector? ...
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What is the volatile keyword useful for?

... volatile has semantics for memory visibility. Basically, the value of a volatile field becomes visible to all readers (other threads in particular) after a write operation completes on it. Without volatile, readers could see some non-updated value. To answer your question: Y...