Одним из первых шагов в построении новых типов данных является организация данных в структуре, объединяющая несколько различных переменных с разными типами данных. Объявления структуры с помощью ключевого слова struct .

Например, объявим структуру Vector , в котором будет храниться указатель …

An array of elements of type char can be declared like this:

char v[6];  // array of 6 characters

Similarly, a pointer can be declared like this:

char* p; // pointer to character

In declarations, [] means ‘‘array of’’ and …

C++ provides a standard set of operators for selecting a selection and cycles.

The keywords related to the construction of branching conditions for the code are:

• if
• else
• switch
• case
• break
• default

The key words relating to the construction of …

C =++ supports two notations of immutability:

1. const - which implies that the value will not change. First of all, this is used to specify interfaces, for data that is passed to functions and methods so that they are not …

Each variable or expression has its own data type, for example, an declaration

int some_variable;

Indicates that the variable some_variable has an integer type int .

The declaration allows you to enter a variable in the program. This variable will …

The minimum program in C ++ is

int main() { } // the minimal C++ program

In this program, the declaration of the main function is presented, which takes no arguments. The curly brackets reflect grouping in C++ and in …

When developing your application to Qt may happen a situation where required in an application written in QWidgets implement functional written in QML. To solve such a problem can be used QQuickWidget class that is used to render QML . …

QSignalMapper is a wonderful class to organize the work of the signals and slots dynamically created objects. For example, the dynamically created buttons or objects in QStackedWidget. This was particularly true in older versions of the software, that is, and …