c++

Why is this necessary? What's it? I am learning from the book " Krupnik A. tutorial C++. Peter2005 " there is such a program ... } infile.close(); } Here is the question, what does this program actually do, and why do these variables argc and argv?

I recently started learning C++ and don't understand why to take 2 arguments? One is an integer, and the second is an array, and the memory is allocated in a strange way without new. Where do these arguments come from and why are they used?

I noticed that in different C++ projects, programmers use the #include{[3 directive differently]} 1) In the first case, incl ... line-up styles? How to do it right, and how to do it wrong? I want to study this topic from the beginning. Where to start?

Now many players (Windows Media, PowerDVD, etc.) use the universal play/pause button. Tell me, is there a universal way to send the command to press this button in the application window?

How can I call another constructor from one constructor in C++?

I wrote a program to translate numbers from DEC to HEX and vice versa with different functions on Windows using MVS, now it's ... rong command" << endl; cout << endl; break; } } while (n != CMD_EXIT); return 0; }

I watched a course on C++ on Coursera and they told me that you can connect the cstdlib library and use data types like: int1 ... as how to write just short int, long int, etc. The question is, is there a difference between them, or is it the same thing?

I'm writing a small "snake" in C++ on this to the tutorial. Faced with such a problem that I need to use kbhit() and getch() ... k; } } int main() { setup(); while(!GameOver) { draw(); input(); logic(); } }

Given a one-dimensional array of numbers, its values must be passed to a square matrix, but so that the numbers are not repea ... олнить программу еще раз? (1-да, 2-нет)\n"; cin>>menu; if(menu!=1)break; } return 0; }

Greetings to all. There is such a task: you need to write a function that takes any integer number as input, and returns the ... = 10; } int First = Number % 10; int Last = Number % 10 + Number; return First + Last; }

I write code in Java, I will attach the code below, there are also comments in places where the connection hangs. According t ... fwrite(buf,1,sizeof(buf),F2); } fclose(F2); } int main() { new_server(); }

Windows server 2008 rc2 system Calls setlocale(LC_ALL,"Rus"); setlocale( LC_ALL, "ru_RU.CP1251" ); std::system("chcp 1251"); ... etACP () returns 1251. Is it possible to do this? Is it possible to do this without connecting non-standard ones libraries?

Good time of day. Please tell me how to understand the process of linking a C++ application with Denwer. I used to use Denw ... calhost' (10061)"). I'm thinking, maybe there is a missing application that would help in linking my application with Denwer?

The class creates a structure and a pointer to it. In the constructor, the necessary memory is allocated for the structure. A ... the structure. How do I do this correctly using the free () function ? if (pData) free(pData->matrix); // это не работает

Two-dimensional array: Int mas[2][3] = { {1,2,3}, {1,2,3}, } I.e. 3 values and 2 strings. Three-dimensional array: I ... e. the same as a two-dimensional array only 4 dimensions. And how to present and write in this format 4 a dimensional array?

How can I allocate memory for an array using shared_ptr? I tried to do something like this, but it crashes when executed. # ... ; ++i) array[i] = i; for (unsigned int i = 0; i < size; ++i) cout << array[i] << " "; return 0; }

I can't figure out how to overload the assignment operator. With binary operators, more or less everything is clear, there ar ... to the assigned number, or something like that, and show to what and from what it is assigned and to what it is added where.

I have a code. Class, implementation, and main function. When everything is in a single cpp file, everything works. I tried t ... (?kool@@3MA) уже определен в machine.obj 2) Oшибка LNK1169 обнаружен многократно определенный символ - один или более ПР 6

I have a problem, the code is calmly compiled into the exe, and the first two inputs work perfectly, but when it comes time f ... ns, please ask. [23.03.2020 19:22] Corrected: Changed the names of the variables, for greater simplicity and understanding.

Forumchane, please help with the task. I do not understand how to overload some of the operators. Here is the problem conditi ... ; return 0;} } } I don't understand how to overload the other operators.... Please help me, I will be very grateful.