Given the following code: class TestA { private: char Temp; public: char *Ptr; TestA(){Ptr = NULL; Temp = \'A\'; Ptr = &Temp;}
The const qualifier on a method supposed to protect the data member from overwriting by mistake. If you have a data member which is a pointer then only the pointer is defended, the pointed value is no
I need a constant that can be called from every php page. So, for example, I declare this constant somewhere, $APP_VERSION = \"5.5\".
I am optimizing some hotspots in my application and compilation is done using gcc-arm. Now, is there any chance that the following statements result in different assembler code:
I try the following example: printf(\"%9.1a\",4488.09); //Only one digits has to be printed after digital point
Project info: WPF, PRISM, C# 4.0, WCF, Entity framework, SQL(express) My database contains several \"constants\" e.g. a person has a classification -> Natural Person (ID = 1) or lawful person (ID = 2
Are the following assignments valid? Or wi开发者_如何学运维ll any of these create problems. Please suggest.
For example there is a function doing something. How should i declare and define an array inside the function i\'d like to be allocated/initialized only once?
c++0x supports lambdas that capture values by reference: [&] -> ret_t { return 0; } Does it make sense to capture const references?
I am confused in defining constant in Rails 1.2.3. Here I want to define one of the url in constant and want to access at any controller. For example ::
加载中,请稍侯......