In this tutorial, we will learn how to calculate the number of days between two dates using Javascript. Calculating the number of days is common in programming languages, but it is easier in Javascript than in any other language. Calculating the difference in days between two dates is common in real-world scenarios. It is especially …
How to calculate number of days between two dates in Javascript. Read More »
Web scraping is the Process of automatically extracting data from websites. It involves using software tools or scripts to retrieve information from web pages, parse the content, and save it for further analysis, manipulation, or storage. Using Modules for Web Scraping in Python 1. install the Required module: Use the command: pip install beautifulsoup4 …
This Python code allows user to easily check if their system’s built-in camera or an external webcam is accessible. It uses OpenCV’s cv2 module to interact with the camera, making it a flexible tool for real-time video streaming and webcam-based applications.When the code runs, it first checks if the default system camera is available. If …
Check if the camera is opened or not using OpenCV python Read More »
In NumPy module, well structured arrays provide an effective way to handle heterogeneous data, where each element has a different type. While regular arrays with numpy store the items of a single data type eg. integers or floats etc. structured arrays allow you to define a mix of data types within one array. This is …
A well-designed navbar (or toolbar) can give your Android app a sleek and modern appearance. In this tutorial, we’ll walk you through creating a navbar with a transparent effect in Android Studio. We’ll cover everything from setting up the project to applying the transparency effect using XML and Java/Kotlin. Let’s dive in! Step 1: Set …
Create nice navbar with transparent effect in Android Studio Read More »
In Python, the enumerate() function is a built-in function for iterating over an iterable (such as a list, tuple, string, or dictionary) It adds a counter to the iterable and returns it as an enumerate object, which can then be converted into a list of tuples or used in a loop. Each tuple contains a …
Text detection and extraction involve finding and reading text from images. In Python, we can use OpenCV for image processing and an OCR(Optical character recognition) tool like Tesseract for reading text. How to detect text and extract it using OpenCV and OCR in Python. Step 1: Installation Install Tesseract OCR 1. Download and install …
Text Detection and Extraction from OpenCV and OCR in Python Read More »
In this tutorial, we will learn file handling in Python, a fundamental concept that allows users to interact with files by reading, writing, and ext… managing them. operation in file handling Opening a File: Files can be opened in different modes, such as read (r), write(w), append(a), and. more. Let’s see the step-by-step …
Numpy.roll() In python the numpy.roll() function is provided by the NumPy Library. The numpy.roll() Function can Shift element of array to a specific axis. The main application of the numpy.roll() can manipulate cyclic or periodic data. syntax :- numpy.roll(array, shift, axis=None) Parameters : Array :- Array to be rolled. Shift :- The number of …
This Python code provides an easy way to add real-time date and time to the videos in overlayed form. It works with both video files and webcam , making it flexible for various needs. The code uses OpenCV’s cv2 module to manage video playback and the datetime module to fetch the current date and time …
Display date and time in videos using OpenCV in Python Read More »