Developing the idea of caching the result of calculations of heavy functions , I propose to write a small template class, which will take the function as an argument, namely the lambda function, as the most universal an instrument within …

Suppose we wrote a function that calculates some value or uses a function to calculate this value, while the function_ which calculates the value is quite expensive to calculate and works for a long time. In this case, we call …

Let's look at an interesting construction from the C++14 standard, which allows you to return the structure used in one place of the code, but you need to return an object with named fields.

Such a construction can serve as …

The world of programming in C ++ in the new standards allows us to get up a variety of things, thanks to which we can safely abandon some old statements or principles, or simply flexibly approach these principles.

I would …

In the previous article , we got acquainted with the structure of lambda functions, and now we'll play with lambdas, calculate the factorial, and consider how the lambda function can be applied for this.

Let's consider for the beginning the …

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 …