Class implementation that cannot be inherited in C ++ and a feature that reflects virtual inheritance

The first phase of C ++ view shows how to implement a class that cannot be inherited. As follows: # Ifdef ndebug# Define final_class# Else# Define final_class: PublicVirtualPRIVATE: nonderivablehelper // The key here is that virtual cannot be

In Linux, the C ++ Performance Testing Tool GPROF + kprof + gprof2dot

1. GPROF Very famous. Many tutorials on Google G ++-PG-G-o Test test. CC ./Test // generate gmon. Out GPROF./test> prof. Log Let's take a look at the whole process of Huffman encoding compression + decoding and decompression I mentioned

Sourcestyler C ++ code sorting

I am reading C ++ recently.CodeSome people do not look very comfortable in writing the style, so they just got a tool named sourcestyler C ++, which is quite good. I just want to see if I haven't tried it. I don't think it's necessary. Add it when

C ++ virtual functions

Preface A virtual function is a member function declared as virtual in a class. When the compiler sees that such a function is called through a pointer or reference, it is bound to it later, that is, through a pointer (or reference) the type

C/C ++ notebook

C/C ++ Basic C/C ++ Basic Data Type C ++ selection statement C ++ statement C ++ Functions C ++ pointer explanation C/C ++ typedef usage C ++ struct, union and enum C ++ class and Object C ++ class copy constructor C ++ inheritance C ++

Hive's hive.exe C. Parallel parameter description

The hive.exe C. Parallel parameter controls whether different jobs in the same SQL can run simultaneously. The default value is false. The following is a test process for this parameter: Test SQL: Select r1.afrom (select T. a From sunwg_10 t join

C ++ selection statement

The C ++ selection statement includes the if statement and switch statement: If (condition) statement; If (condition) Statement else statement; Switch (condition) Statement Comparison operator = ,! =,>, =, If the Compare value is true,

C ++ class and Object

C ++ class isProgramA tool is provided to create a new type, so that these new types can be used as conveniently as internal types. A class is a user-defined type. How to declare a class is as follows: ClassClass_name {Access_specifier_1:Member1;

[C ++/CLI Programming Guide] [1] C ++/CLI data collection

1. Online materials 1) functionx:Http://www.functionx.com/cppcli/index.htm2) functionx:Http://www.functionx.com/vccli/index.htm3) codegure:Http://www.codeguru.com/cpp/cpp/cpp_managed/general/article.php/c148154)

[C ++/CLI Programming Guide] [4] The first C ++/CLI Program

1. Use a simple C ++/CLI ConsoleProgramTo give learners a general impression on the C ++/CLI program and introduce some basic concepts and keywords. Below is the programCode: # Include Iostream > # Include String > // 1 ISOC ++

5 of the Google C ++ unit testing framework (gtest) series-test firmware

Introduction In the Google C ++ unit testing framework (gtest) series tutorial 3 -- test fixture, this article describes how to use the test firmware as a test instance (tests) configure and initialize data. In addition to the data initialization

Step by step (C ++ template overload and specialization)

I. template function overloading: Function Overloading is a basic programming concept that is very common and easy to understand. It is a set of functions with the same function name and different function signatures. In actual calls, the compiler

Step by step (LUA calls the C function)

Lua's ability to call C functions greatly improves Lua's scalability and availability. For some functions related to the operating system or modules with high efficiency requirements, we can use the C function, and then call the specified C function

C ++ class copy constructor

In the C ++ standard, the default constructor, copy constructor, copy assignment operator, and destructor are special member functions. 1. constructor cannot have a return type or be modified by virtual, const, static, and volatile. But it can be

Step by step (LUA-c api Introduction)

Lua is an embedded scripting language, that is, Lua cannot be run independently.ProgramIn practice, there are two main application forms. The first form is that C/C ++ acts as the main program and calls LuaCodeIn this case, we can regard Lua as an

C ++ new, placement new, and nothrow new

  There are three ways to use new: Plain new, nothrow new, and placement new. (1) as the name suggests, plain new is a common new, which we usually use. In C ++, it is defined as follows: Void * operator new (STD: size_t) Throw (STD: bad_alloc

C ++ Exception Handling

Introduction Exception, so that a function can throw an exception when it finds an error that cannot be handled by itself, hoping that its caller can directly or indirectly handle this problem. When the traditional error handling technology

C ++ generate the required function framework in batches Based on. H files

Similar to the method int abc () for adding Class A in (); Will be automatically generated in the corresponding implementation file. cpp, Int A: abc (){ } When I was a beginner in python, I tried to write a script that automatically completed the

Step By Step (C ++ template and inheritance)

1. Naming template parameters: Some advanced scripting languages, such as Perl and PL/SQL, support named parameters when calling their function parameters, that is, parameters can be passed in different order during the call, instead, p can be

C ++ TinyXml operations (including source code download)

Preface TinyXML is an open-source XML parsing library. It can be used in C ++, compiled in Windows or Linux, and parsed in C ++ XML using TinyXML. It is easy to use.The parsing library's model parses the XML file and then generates the DOM model in

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