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What is move semantics?
I just finished listening to the Software Engineering radio podcast interview with Scott Meyers regarding C++0x . Most of the new features made sense to me, and I am actually excited about C++0x now, with the exception of one. I still don't get move semantics ... What is it exactly?
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Why doesn't c++ have &&= or ||= for booleans?
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The only way to get an invalid value into a bool is by using reinterpret_cast on pointers:
int i = 2;
bool b = *reinterpret_cast<bool*>(&i);
b |= true; // MAY yield 3 (but doesn’t on my PC!)
But since this code results in undefined behaviour anyway, we may safely ignore this potenti...
How to do exponentiation in clojure?
...ately represented by doubles anymore, there really is no problem with just casting the result to int. 2) I don't see how writing Math/pow is more complicated than math-pow or whatever the name would be if there was a clojure equivalent. If there already is a simple java method that does what you wan...
Deserializing JSON data to C# using JSON.NET
...as having issues where I had a pretty complex JSON string, when I tried to cast it to C# objects, anything marked as 'NotNull' would be missing from the object, even though it was present in the JSON string to begin with. Very strange. I used this method and it worked PERFECT!
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mongod, mac os x - rlimits warning [closed]
I've been using mongo on my mac os x 10.8 and suddenly yesterday at my logs appeared this warning (and when starting shell it's present too) -
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How do I run IDEA IntelliJ on Mac OS X with JDK 7?
I use Mac OS X 10.8.2, and use JDK 7. Now I downloaded the latest version of IDEA IntelliJ, 11. But it doesn't seem to start without JDK 6. Is there any workaround?
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
...install Ruby on Mac OS X you might need MacPorts, so just go with MacPorts and you'll be happy.
MacPorts is really stable, in 8 years I never had a problem with it, and my entire Unix ecosystem relay on it.
If you are a PHP developer you can install the last version of Apache (Mac OS X uses 2.2), PH...
What and where are the stack and heap?
...amming language books explain that value types are created on the stack , and reference types are created on the heap , without explaining what these two things are. I haven't read a clear explanation of this. I understand what a stack is. But,
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Why doesn't 'ref' and 'out' support polymorphism?
...ny variable, not only out parameter variable. And also the reader needs to cast the argument value to Mammal before he attempts to access it as Mammal and of course it can fail if he is not considerate
– astef
Jun 20 '18 at 20:46
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A non well formed numeric value encountered
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Casting won't fix the issue since PHP will automatically cast it when passed to the method.
– JohnP
May 26 '11 at 9:36
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