C++

ObjectiveC + + member functions are divided into static functions, non-static functions and virtual functions three kinds, in this series of articles, many mentions static and non-static does not affect the memory occupied by objects, and virtual

Algorithm to increase the second large integer time limit: 1.0s memory limit: 512.0MBThe problem description writes a program that reads in a set of integers (no more than 20), and when the user enters 0 o'clock, the input ends. The program will

1. Signed number and unsigned numberThe signed number is the highest bit ,0 for Positive, and1 for negative .The highest bit of unsigned number is not a sign bit , but a part of a number.1011 1111 0000 1111 1111 0000 1011 1010 If there is a

C + + review Note One (declaration definition of a class applied and constructor destructor section)Const in C is "a variable that cannot be changed", whereas in C + + The seed is "a constant of type description", constants must be initialized and

C + + library RollupIntroduction to C + + class librariesOnce again embodies the C + + to maintain core language efficiency at the same time vigorously develop the application library development trend!! In C + +, the position of the library is very

After looking at the performance comparison of common LUA solutions for unity Projects released before UWA, the preface decided to write a performance optimization article about the lua+unity scheme. Integrating LUA is now the most powerful unity

This article records some of my own understanding and experience when I read effective modern C + +.Item1: Template type derivation1) The reference property cannot pass in a template function by passing a value parameter . This means that if a

This series of blog mainly on the background of the game to introduce 3D PvP Network game Common Development technology and C + + advanced programming skills, with this knowledge, you can develop small and medium-sized game projects or 3D industrial

The specific problem is this: I use the following this section of the code to obtain hard disk information into the EXE file, when testing on the machine, there is a direct double-click Run and run as administrator, the result is not the same

Add Outlook API1 using OutLook = Microsoft.Office.Interop.Outlook;Send Message method1 Public voidSendEmail ()2 {3Outlook.Application app =Newoutlook.application ();4Outlook.NameSpace ns = App. GetNamespace ("MAPI");5Ns. Logon

My C # is followed by brother (Liu Tieno) (my formal teacher), "The introduction of C # language," the study, on the elder brother also explained to me some do not know the place, for me is simply a huge wealth, a rare mentor!This time with everyone.

Classes that cannot be initialized are called abstract classes , and they provide only partial implementations, but another class can inherit it and can create instances of them, with methods that are not implemented. An abstract class cannot be a

We know that in C #, inheritance allows a base class with common data and methods to be widely used to reduce the amount of code, so that derived classes have all members of the base class (except constructors, etc.), and we can naturally use the

I do not understand the post, some time ago encountered a need to send a POST request in C # code to upload a file business, so reference several posts, coupled with their own practice to write the following code. Write the comparison low hope you

C # Implementing a calendar-style drop-down calculatorOriginal address: http://developer.51cto.com/art/201508/487486.htmIf we are working on a project similar to the Inventory Control and billing system, some parts may have to calculate the values

Static constructor,1, for the initialization of static data2, the preceding cannot have the parameter cannot have the modifier, cannot be called Class program    {        private static  int count = 0;        static program ()          {           

Clang3.6 version of Checkerone, the clang source code is as Follows:template  Class checker;template <>class checker  : public  checkerbase{  virtual void anchor ();p ublic:  static void _ Register (void *checker, checkermanager &mgr)  { }};template 

Most people use the IDE integrated with the debugger, but the most famous debugger in linux is the command line C/C ++ debugger GDB. However, similar to other command line tools, DGB requires some exercises to be fully mastered. Here, I will tell

When you use gcc to compile a C program, you may encounter a compilation error of "error: conflicting types for 'function. Literally, the definition and declaration of a function are inconsistent. In this article, I will make a simple analysis of

Because of the platform access, the platform provides a string key as the user ID, and distributed is required, so the user ID cannot be incremental with the previous database, therefore, CRC64 is used to generate uint64_t as the user ID, which is