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c++ Programming Glossary: equalityWhat is the difference between NULL, '\0' and 0 http://stackoverflow.com/questions/1296843/what-is-the-difference-between-null-0-and-0 the compiler this is not a check for a null pointer but an equality check on two variables. This might work if mynull never changes..
strange output in comparison of float with float literal http://stackoverflow.com/questions/1839422/strange-output-in-comparison-of-float-with-float-literal
Why is std::function not equality comparable? http://stackoverflow.com/questions/3629835/why-is-stdfunction-not-equality-comparable is std function not equality comparable This question also applies to boost function and.. boost function and std tr1 function . std function is not equality comparable #include functional void foo int main std function.. void f foo g foo bool are_equal f g Error f and g are not equality comparable In C 11 the operator and operator overloads just..
5 years later, is there something better than the “Fastest Possible C++ Delegates”? http://stackoverflow.com/questions/4298408/5-years-later-is-there-something-better-than-the-fastest-possible-c-delegate adding a safe bool. It's also a good idea to disable the equality operators since it's not possible to compare two Callback objects...
Flags to enable thorough and verbose g++ warnings http://stackoverflow.com/questions/5088460/flags-to-enable-thorough-and-verbose-g-warnings stylistically it likely is. Wfloat equal warns for safe equality comparisons in particular comparison with a non computed value..
http://stackoverflow.com/questions/5416414/signed-unsigned-comparisons the compiler converts the signed value to unsigned. For equality this doesn't matter 1 unsigned 1 . For other comparisons it.. As I see it their choices in relation to signed unsigned equality vs greater less comparisons make sense this is entirely subjective..
Understanding the vtable entries http://stackoverflow.com/questions/5712808/understanding-the-vtable-entries same typeinfo object. A correct implementation of typeinfo equality is to check pointer equality except for pointers directly or.. implementation of typeinfo equality is to check pointer equality except for pointers directly or indirectly to incomplete types...
Why doesn't Java offer operator overloading? [closed] http://stackoverflow.com/questions/77718/why-doesnt-java-offer-operator-overloading Java and C# both have to deal with value and reference equality separately operator would likely deal with values and objects..
Checking two TDateTime variables http://stackoverflow.com/questions/12386266/checking-two-tdatetime-variables Diff WriteLn 'DaysBetween ' DaysBetween EndDate StartDate Equality WriteLn 'EndDate after StartDate` EndDate StartDate RegEx.Free..
What are the Complexity guarantees of the standard containers? http://stackoverflow.com/questions/181693/what-are-the-complexity-guarantees-of-the-standard-containers n equal range O ln n Lower Bound Upper Bound O ln n Equality O n InEquality O n Element Access O 1 c stl containers big.. O ln n Lower Bound Upper Bound O ln n Equality O n InEquality O n Element Access O 1 c stl containers big o share improve..
Should operator<< be implemented as a friend or as a member function? http://stackoverflow.com/questions/236801/should-operator-be-implemented-as-a-friend-or-as-a-member-function defining the bool relationship operators. The operator Equality and Relationship These operators should return a bool as they..
What is the curiously recurring template pattern (CRTP)? http://stackoverflow.com/questions/4173254/what-is-the-curiously-recurring-template-pattern-crtp you could do it like this template class Derived class Equality template class Derived bool operator Equality Derived const.. class Equality template class Derived bool operator Equality Derived const op1 Equality Derived const op2 Derived const d1.. class Derived bool operator Equality Derived const op1 Equality Derived const op2 Derived const d1 static_cast Derived const..
Equality & assignment operators used on arrays in C++ http://stackoverflow.com/questions/5345705/equality-assignment-operators-used-on-arrays-in-c assignment operators used on arrays in C I was given a homework..
What's the difference between input iterators and read-only forward iterators? http://stackoverflow.com/questions/8869104/whats-the-difference-between-input-iterators-and-read-only-forward-iterators 3 Note For input iterators a b does not imply a b . Equality does not guarantee the substitution property or referential..
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