If you construct an object, sometimes you need operations to deconstruct. Destructors not only used in classes but also used with struct and union data types. Do you want to learn what a Pure Virtual Destructor is in a C++ App, or what kind of methods we have that we can declare and use a pure virtual destructor? In this post, we will try to explain how to use Pure Virtual Destructor in C++…
Do you want to use DOS commands to operate on directories or folders? Do you know that you can use system commands in C++ to operate on folders? How can we get our C++ App to list files of a folder, how we can copy, rename, delete, or move directories? Can we set the access…
Do you know why we use Command Prompt or Power Shell? Can we use Windows DOS Commands in a C++ app and in other operating systems? In this post, we will explain how you can run Windows DOS commands in C++.
Apple DOS was the first family of Disk Operating Systems (DOS) for…
C++ Builder is a great IDE which comes with the FireMonkey UI framework. While Firemonkey is a powerful multi-platform UI framework which lets you create apps which work on desktop as well as mobile phones and tablets you can also use it to add many shape types to your C++ app on Windows.
TShape is the ancestor class to most other classes defined in the Objects unit. It defines the common…
C++ is a great programming language to calculate engineering problems, it is one of the best for those operations. Delphi is also a super-fast compiled programming language that you can use in engineering problems. In this post we will explain how to write a C++ app to solve…
How can we convert one string to char array in Modern C++? Here are the answers with C++ software examples.
Generally, as an introduction to C++, in addition to int, float, double there is another data type, string that we use for alphanumeric variables. In C++ there are…
How can we read a formatted string in a C++ app? How can I convert a string to a stringstream ? What is string? What is std::stringstream? What are the methods that can be used to read the formatted strings? Is there a simple example on how to read a formatted string ? Is there a full C++ app example showing reading of a formatted string in C++? Let’s answer these questions.
When we try…
How can we print numbers in binary form? How can we set a bit in an integer? How we can set, clear, or toggle bits (binary digits) of a number? How can we change the nth bit of a number? In this post, we will answer these questions and use them in our own C++ software. First…
What is Sigmoid Linear Unit in a neural network created with a C++ app? How can we use the SiLU function in an artificial neural network (ANN)? Where can we use SiLU in AI technologies? Let’s remind ourselves of the activation function and explain these terms.
What…
When we use floating numbers, we sometimes need our C++ software to display them in a consistent way so we can compare numbers next to one another or with the preceding or successive numbers in an order. We can arrange formatting display of numbers both integer and precision side. How can we format the display of numbers in C++? How can we use fixed, scientific or default formatting in C++…
