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This Is How To Call DOS, Solve A Matrix And More In A C++ App

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Hello C++ Developers,

In today’s collection of posts, we will learn to call DOS commands from your C++ app. We also learn about the built-in shape components of C++ Builder with easy examples. More deeply we will learn to solve more complex engineering problems in C++ by using the SOR iteration method to solve millions of unknowns. In another post, in modern C++, we will learn to convert a string to a char array. We will also learn the modern way to read formatted strings in C++.

LearnCPlusPlus.org is packed full of great articles for professionals and beginners alike. The posts vary from articles suitable for people who are just starting to learn C++ – basics like string handling, pointers, loops, and all those fundamental building blocks of this rich and powerful programming language – to much more in-depth and advanced subjects like artificial neural networks and AI, along with the math behind it. Our focus is on the C++ language, particularly modern C++, and will work with almost any environment and IDE software you can choose although, of course, we believe RAD Studio C++ Builder is the best option!

If you are new to RAD Studio, we think these posts may help you as much as a rapid introduction to programming in C++, all the way to the most robust, modern, and latest techniques for those more experienced with the language. For those who are perhaps wanting to expand their knowledge with the most up-to-date features, routines, and methodologies this is a great little boost (pun intended) to your C++ knowledge. The new RAD Studio 11C++ Builder 11, Delphi 11 are released with great new features and we are developing and testing new examples for you with the latest RAD Studio 11 that means.LearnCPlusPlus.org examples are working well with the latest C++ Builder.

You can see more of our C++ posts here on this blog by clicking the following dynamic search link: https://blogs.embarcadero.com/?s=C%2B%2B

Here are today’s selections:

How can we Use C++ Builder in the most modern and efficient ways?

These posts are designed to give you more information and to be easy to understand the modern and professional ways that we use in C++. Here are the topics,

  • Learn To Use Windows DOS Commands In A C++ App
  • This Is How To Use Shape Components In A Windows C++ App
  • Learn How To Write A C++ App To Solve A 7 Diagonal Matrix
  • This Is How To Convert A String To A Char Array In C++ Software
  • What Is The Modern Way To Read Formatted Strings In A C++ App?

What kind of C++ questions are we answering?

These are the questions that we answer in this collection:

  • Can we use Windows DOS Commands in a C++ app and in other operating systems?
  • What is DOS?
  • How can I use commands in DOS?
  • What system method do in C++?
  • How can I use 2D shapes in C++?
  • How can I create 2D rectangle shape in C++?
  • How can I draw 2D circle shape in C++?
  • How can I create 2D ellipse shape in C++?
  • What is TRectangle?
  • What is TEllipse?
  • How can I solve millions of unknowns with 7 diagonal matrix?
  • What SOR Successive Over Relaxation method?
  • How can I solve computational engineering problems?
  • How to solve 3D equations of thermodynamics and fluid mechanics problems in C++?
  • Is there a C++ example to solve 3, 5 or 7 diagonal matrix forms?
  • What is a string?
  • How can we convert one string to char array in Modern C++?
  • What is the copy method of std::strings ?
  • What are the methods a C++ app can use to read formatted strings?
  • What is stringstream in a C++ app?
  • Is there a simple example showing how to read a formatted string ?

C++ Builder answers all those C++ questions with these posts

C++ Builder can supply all the answers to those questions above and the posts include some very simple step-by-step examples to show you how.

These are only choices from a week, if you want more posts w,th examples, so come on over the LearnCplusPlus.org and take a look.

We keep adding new topics about C++ in general and specific topics for C++ Builder, Dev-C++, and for the other C++ compilers. Please follow our LearnCPlusPlus.org website for the latest posts and updates. Feel free to comment and share with your colleagues, students, members – knowledge is power, and knowledge shared is empowering.

We wish you happy coding!

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C++ Builder is the easiest and fastest C and C++ IDE for building simple or professional applications 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++ Builder version comes with the award-winning VCL framework for high-performance native Windows apps and the powerful FireMonkey (FMX) framework for cross-platform UIs.

There is a free C++ Builder Community Edition for students, beginners, and startups; it can be downloaded from here. For professional developers, there are Professional, Architect, or Enterprise versions of C++ Builder and there is a trial version you can download from here.


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About author

Dr. Yilmaz Yoru has 33+ years of coding with more than 30+ programming languages, mostly C++ on Windows, Android, Mac-OS, iOS, Linux, and other operating systems. He was born in 1974, Eskisehir-Turkey. He graduated from the Department of Mechanical Engineering of Eskisehir Osmangazi University in 1997. One year later, he started to work in the same university as an assistant. He received his MSc and Ph.D. degrees from the same department of the same university. Since 2012, he is the founder and CEO of Esenja LLC Company. Some of his interests are Programming, Thermodynamics, Fluid Mechanics, and Artificial Intelligence. He also likes the graphical 2D & 3D design and high-end innovations. He has married, and he is a father of a son.

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