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c++ Programming Glossary: i1problem sorting using member function as comparator http://stackoverflow.com/questions/1902311/problem-sorting-using-member-function-as-comparator variables MyClass arr new int someSize doCompare const int i1 const int i2 use some member variables doSort std sort arr arr.. into a comparision functor by changing doCompare const int i1 const int i2 use some member variables into bool operator const.. i2 use some member variables into bool operator const int i1 const int i2 use some member variables and calling doSort std..
Cartesian product of several vectors http://stackoverflow.com/questions/2405242/cartesian-product-of-several-vectors Not much of an algorithm... for vector int const_iterator i1 v1.begin i1 v1.end i1 for vector int const_iterator i2 v2.begin.. an algorithm... for vector int const_iterator i1 v1.begin i1 v1.end i1 for vector int const_iterator i2 v2.begin i2 v2.end.. for vector int const_iterator i1 v1.begin i1 v1.end i1 for vector int const_iterator i2 v2.begin i2 v2.end i2 for vector..
How are objects stored in memory in C++? http://stackoverflow.com/questions/405112/how-are-objects-stored-in-memory-in-c in C For a regular class such as class Object public int i1 int i2 char i3 int i4 private Using a pointer of Object as an.. a pointer of Object as an array can be used to access i1 as follows Object myObject 0 i1 Other questions on SO seem to.. can be used to access i1 as follows Object myObject 0 i1 Other questions on SO seem to suggest that casting a struct..
What are Aggregates and PODs and how/why are they special? http://stackoverflow.com/questions/4178175/what-are-aggregates-and-pods-and-how-why-are-they-special we get a compile time error as well. struct X int i1 int i2 struct Y char c X x int i 2 float f protected static.. 20 30 In the above example y.c is initialized with 'a' y.x.i1 with 10 y.x.i2 with 20 y.i 0 with 20 y.i 1 with 30 and y.f is..
Which one will execute faster, if (flag==0) or if (0==flag)? http://stackoverflow.com/questions/4624536/which-one-will-execute-faster-if-flag-0-or-if-0-flag i32 c nounwind readnone entry not. icmp ne i32 c 0 i1 #uses 1 .0 zext i1 not. to i32 i32 #uses 1 ret i32 .0 define.. readnone entry not. icmp ne i32 c 0 i1 #uses 1 .0 zext i1 not. to i32 i32 #uses 1 ret i32 .0 define i32 @yoda i32 c nounwind.. @yoda i32 c nounwind readnone entry not. icmp ne i32 c 0 i1 #uses 1 .0 zext i1 not. to i32 i32 #uses 1 ret i32 .0 Even..
overloading friend operator<< for template class http://stackoverflow.com/questions/4660123/overloading-friend-operator-for-template-class os const D sclassT rhs private classT d int main int i1 1 int i2 2 D int d1 i1 D int d2 i2 cout my_max d1 d2 endl return.. rhs private classT d int main int i1 1 int i2 2 D int d1 i1 D int d2 i2 cout my_max d1 d2 endl return 0 template class sclassT..
How to convert a number to string and vice versa in C++ http://stackoverflow.com/questions/5290089/how-to-convert-a-number-to-string-and-vice-versa-in-c 1234 12.3 44 std istringstream istr inputString int i1 i2 float f istr i1 f i2 i1 is 1234 f is 12.3 i2 is 44 Use boost.. std istringstream istr inputString int i1 i2 float f istr i1 f i2 i1 is 1234 f is 12.3 i2 is 44 Use boost lexical cast ... istr inputString int i1 i2 float f istr i1 f i2 i1 is 1234 f is 12.3 i2 is 44 Use boost lexical cast . #include..
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