The OpenCV platform provides a cv2 library for Python. This can be used for various shape analyses which is useful in Computer Vision. To identify the shape of a circle using OpenCV we can use the cv2.HoughCircles() function. It finds circles in a grayscale image using the Hough transform. Common ... Read More

In Python, the Fraction module supports rational number arithmetic. Using this module, we can create fractions from integers, floats, decimals, and other numeric values and strings. The constructor of this class accepts Numerator and Denominator as parameters and creates Fractions from them. The default value of the numerator is 0 ... Read More

In Python you can find the sum of all odd elements in an existing List one of the following ways - Using List Comprehension ... Read More

To change the size of Tkinter Button in python's Tkinter library, we can use the width and height options of the Button widget in terms of text units (characters). Some common approaches We can change button size in python Tkinter by using several methods are as follows. ... Read More

In Python Pandas, filtering the rows and fetching any specific column values can be done in serval ways, one of which is by using the Pandas contains() method. Usually, this method is applied to columns that are of the string type, to filter rows based on the sub-string ( i.e. by ... Read More

In Python, Modifying the permission of a directory can be done using the subprocess module and, the chmod() Function ( of the os module). Using 'subprocess' Module The subprocess module in Python provides various functions to create a new (child) process and establish a connection to the I/O devices. This module has a ... Read More

In Python to create a logarithmic bin, we can use Numpy library to generate logarithmically spaced bins, and using matplotlib for creating a histogram. Logarithmic bins in a Python histogram refer to bins that are spaced logarithmically rather than linearly. We can set the logarithmic bins while plotting histograms ... Read More

In Python to save a dictionary to a CSV file, we can use the CSV' module. This process slightly depends on the structure of your dictionary. Generally, a CSV file refers to each line is corresponds to a row in a table, and each value in the line is ... Read More

In Python to display calendar, you need to import calendar module, it provides various functions to handle operations related to calendar, and also includes printing a text calendar for a month . Calendar Module The calendar module in python provides various functions and classes to perform date-related operations. To print ... Read More

There are two common ways to upload a file using Python. One is through a cloud storage service using a web server, and CGI environment, (also known as an automated file upload system). In this tutorial, we will focus on file uploading using the CGI (Common Gateway Interface) environment. The process ... Read More