How can I use substr() method of std::wstring? How can I get a substring of a string in a C++ app? Here are the answers with C++ examples.
Generally, as an introduction to C++, in addition to int, float, double there is another data type called string that we use for alphanumeric variables. In C++ there are several typedefs for common character types are provided: String types are defined in…
How can I swap strings? Can I use swap() method to std::string in the same ways as I can in std::wstring in a C++ App?
Generally, in Introduction to C++ lessons, examples are started withstringexamples and end with them, while Modern C++ usesStrings…
What are LiveBindings? How can I create LiveBindings in C++ Builder FMX applications? How can I use LiveBindings in C++ Cross Platform Apps? What are the LiveBindings Visual Components? Is there a simple LiveBindigs example for C++ Builder FMX applications? Let’s…
How can we use Time when writing C++ software? How can we obtain local time or UTC time in our C++ apps? How can we get each property of a time such hours, mins, seconds?
In programming we have two important parameters that we use, which are Date and Time properties. The date and time properties are obtained from a timer or time module such as an RTC DS3231 module which is used on IoTs. The…
Lambda Expressions allow users to write an inline expression that can be used for short snippets of code in your C++ app which are not going to be reused and don’t require naming. The Lambda Expression construct is introduced in C++ 11 and further developed in the…
How can I convert a floating number to a string in my C++ app? How can I put a float into a Text of a component? What is FloatToStr method? What is FloatToStrF method? Can I use FloatToStr method with double and long double too? Can we use printf() method with float in…
Do you want to learn what is Eligible Copy Constructor or what kind of methods are available to declare and use an Eligible Copy Constructor? In this post, we will try to explain the Eligible Copy Constructor with examples. First, let’s remind ourselves of the Constructor and Copy Constructor meaning in C+++ software.
What is a Constructor in C++ software?
The Constructor in C++ is a…
How can I read a text file in a C++ app? How can I write to a text file in C++? How can I append to a text file in C++? How can I use open() method for the ifstream? How can I use open() method for the ofstream? How can I use open() method for the fstream? What is the syntax…
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…
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 permissions of a directory by using system commands in C++? We will explain all the answers to these questions below.C++ is a…
