Working with data sometimes we need to perform various operations. Programming languages provides methods to repeat a string for given number of times. A table includes a links to posts...

Simple linear regression is a statistical method that is used to analyze the relationship between two continuous variables: x - independent variable also known as explanatory or predictor. y...

Working with data sometimes we need to perform various operations. Programming languages provides methods to shuffle the characters in a string. A table includes a links to posts with examples...

The libfacedetection is an open-source library to detect faces in the images. Library is based on CNN (Convolutional Neural Network). A pre-trained CNN model has been converted to C arrays...

There are many algorithms to reduce noise in an image. A bilateral filter is often used for noise reduction while preserving edges in an image. This filter calculates a weighted...

There are various algorithms that allow to reduce noise in an image. One of them is the median filter. This filter calculates the median of all the pixels in the...

Typically, file size is expressed in bytes. However, this expression is hard to read for humans. The following table provides links to examples how to convert the file size in...

Random floating-point number is a number produced by a generator, whose result is unpredictable and does not have any pattern. Programming languages provides various methods to generate a random floating-point...

Random string is a sequence of characters produced by a generator, whose result is unpredictable and does not have any pattern. Programming languages provides various methods how to generate a...

While working with cryptography, we may need to generate a given number of random bytes. Programming languages provides various methods to do that. A table includes a links to posts...