In C++ Builder sorting text string lines is very easy by setting Sorted property of a StringList to true. This example below sorts a given text file and saves as sorted in same name.
void sort_textfile(UnicodeString filename)
{
auto str_list = new TStringList;
str_list->LoadFromFile(filename);
str_list->Sorted = true;
str_list->SaveToFile(filename);
str_list->Free();
}
Sorting…
There is no word to say, we would like to share this Amazing 3D Spinning Donut by Andy Sloane . This full post explains what is mathematic behind this. Please visit his awesome post here. There is also another video of his codes by Professor Lex Fridman here. We just made…
Optional definition (std::optional) manages an optional contained value, i.e. a value that may or may not be present. This class template comes with C++17 standard, it is used with CLANG and other C++ compilers which has this standard. A common use case for optional is…
In mathematics, Fractals are a self-similar subset of Euclidean space whose fractal dimensions strictly exceeds its topological dimension. So when you draw these functions in their topological height, fractals appear the same at different levels, as illustrated in successive magnifications of the Mandelbrot set. Mandelbrot set is a good example to see how fractals are changing in every x,y and…
In mathematics, fractals are a self-similar subset of Euclidean space whose fractal dimensions strictly exceeds its topological dimension. So when you draw these functions in their topological height, fractals appear the same at different levels, as illustrated in…
Quickly Learn To Search And Count Words From A Text File In Modern C++
February 6, 2021
C++ Builder is easy to operate on files on Windows. There are many methods to operate on files. Some of these methods are explained well in Windows File Operations in Modern C++. In this post we create a snippet to search and count a text from a text file.
unsigned int…
Lambda Expressions are an expression that returns a function object, it comes with C++11 standards and used C++14, C++17, C++20 standards, it is well explained here. Lambda expressions are widely used in C++, C#, Groovy, Java, Python, Ruby languages too.
The Greek letter Lambda (λ) refers to an anonymous function, it means chosen since it is equated with something nameless and expression…
Learn To Use Powerful Cryptographic Hash Functions In Modern C++ On Windows (SHA, SHA2, MD5, BobJenkins)
February 4, 2021
Cryptographic Hash Functions are a one-way algorithm that takes an input of any size and produces the same size output. The cryptographic hash functions are a more secure version of the hash functions. It is one-way in that there is information loss — you can’t easily…
Learn To Easily Develop A Fun Fibonacci Number Generator In C++ For Windows
February 3, 2021
Fibonacci Numbers are sequence numbers called the Fibonacci sequence, and in mathematics, it starts with 0 and 1, and then each number is the sum of the two preceding ones. Fibonacci numbers are strongly related to Golden Ratio. In mathematics, two quantities are in…
Calculating prime numbers in a range is another comparison in programming languages. In this article, we compared the speed of codes to find Prime Number functions in C++ and Python
1. Introduction
Prime numbers are an interesting area to research. A prime number, it is also called prime shortly, is a natural number (a positive integer) greater than one that is not a product of two…
