C++ is a great programming language to calculate engineering problems, it is one of the best for complex operations which require you to get the maximum performance you can from the computer hardware. Delphi is also a truly capable compiled programming language that you can use in engineering problems. In this post we will explain how to write C++ software to solve millions of unknowns in…
How can I use the string capacity and length methods in a C++ app? What kind of methods I can use to get size of a std::string? How can I use the empty() method with strings? How to get length() of a std::string? How can I use size() property of a std::string? How can I…
C++ Builder is the easiest and fastest C and C++ IDE for building simple or professional cross platform apps on the Windows, MacOS, iOS & Android operating systems. It is also easy for beginners to learn with its wide range of samples, tutorials, help files and LSP…
How can I use the compare() method of std::string in a C++ app? How can we use C++ to compare strings? Here are the answers with C++ examples.
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 header <string>.
strings are…
How can I access a character of awstring? How can I use theat()method of wide strings in modern C++ software? Can I usefront()andback()methods instd::wstringto access characters?
Modern C++ usesWide…
How can we read a formatted wstring in a modern C++ app? How can I convert a wstring to a wstringstream? What is std::wstringstream? What are the methods that can be used to read a formatted string in general? Is there a simple example of how to read formatted wide string?
Lambda Expressions allow users to write an inline expression that can be used for short snippets of code which are not going to be reused and don’t require naming in your C++ app. The Lambda Expression construct is introduced in C++ 11 and further developed in the C++17 and C++20 standards. Because of its syntax and definition with [ ] and ( ) and { }, sometimes it is hard to understand or…
What is the fscanf function? How can I use fscanf in C++ software? Is there an example to the fscanf function in C++? What is the syntax of fscanf? Where can I find format specifiers for the fscanf function? Let’s answer these questions.
A little history of the…
C++ Builder is the easiest and fastest C and C++ IDE for building a C++ app on the Windows, MacOS, iOS & Android operating systems. It is also easy for beginners to learn with its wide range of samples, tutorials, help files, and LSP support for code. RAD Studio’s C++…
How can I clear a string in a simple way? What kind of methods I can use in my C++ software to clear a std::string? How can I use clear() method with strings? Can I use resize() method to clear strings? How can I use erase() method to clear strings?
Modern C++ usesStrings, Wide Strings, andUnicode Stringsto support worldwide languages.Strings…
