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Is there a way to instantiate objects from a string holding their class name?

... Nope, there is none, unless you do the mapping yourself. C++ has no mechanism to create objects whose types are determined at runtime. You can use a map to do that mapping yourself, though: template<typename T> Base * createInstan...
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Are nested HTML comments possible?

as per the title; is it possible to have nested comments in valid HTML? see the example below... 10 Answers ...
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What's the difference between deque and list STL containers?

What is the difference between the two? I mean the methods are all the same. So, for a user, they work identically. 8 Answ...
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Task continuation on UI thread

Is there a 'standard' way to specify that a task continuation should run on the thread from which the initial task was created? ...
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Is there an onSelect event or equivalent for HTML ?

... Here is the simplest way: <select name="ab" onchange="if (this.selectedIndex) doSomething();"> <option value="-1">--</option> <option value="1">option 1</option> <option value="2">...
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What exactly do “u” and “r” string flags do, and what are raw string literals?

While asking this question , I realized I didn't know much about raw strings. For somebody claiming to be a Django trainer, this sucks. ...
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Debug vs. Release performance

...he compiler emits debug symbols for all variables and compiles the code as is. In release mode, some optimizations are included: unused variables do not get compiled at all some loop variables are taken out of the loop by the compiler if they are proven to be invariants code written under #debug di...
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What's the difference between “STL” and “C++ Standard Library”?

Someone brought this article to my attention that claims (I'm paraphrasing) the STL term is misused to refer to the entire C++ Standard Library instead of the parts that were taken from SGI STL. ...
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How to create module-wide variables in Python? [duplicate]

Is there a way to set up a global variable inside of a module? When I tried to do it the most obvious way as appears below, the Python interpreter said the variable __DBNAME__ did not exist. ...
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How to force garbage collection in Java?

Is it possible to force garbage collection in Java, even if it is tricky to do? I know about System.gc(); and Runtime.gc(); but they only suggest to do GC. How can I force GC? ...