CURL in PHP: Making HTTP Requests CURL, or "Client for URLs," is a powerful command line tool that can be used to transfer data over a number of different protocols. In PHP, CURL is also available as a library, allowing developers to make HTTP requests in a programmatic fashion. This is especially useful when working […]
install opencv python with code examples
OpenCV (Open Source Computer Vision Library) is an open-source computer vision and machine learning software library. It provides numerous in-built functions for image and video processing, computer vision, and machine learning. OpenCV supports various programming languages including Python, and in this article, we will cover the steps to install OpenCV for Python on different operating […]
kill a port in windows cmd with code examples
Killing a port in Windows command line, also known as Command Prompt or cmd, can be done using the "netstat" and "taskkill" commands. The "netstat" command allows you to view active connections on your computer, including the ports that are being used. By using the "-a" flag, you can view all connections, including those that […]
window onload with code examples
The window.onload event is a JavaScript event that occurs when the entire page has finished loading, including all images, scripts, and other resources. This event is often used to perform initialization tasks, such as setting up event handlers or manipulating the DOM. One common use case for window.onload is to ensure that JavaScript code does […]
mysql declare variable with code examples
In MySQL, variables can be declared using the DECLARE keyword. Variables are used to store temporary values and can be used in SQL statements and functions. Here are some examples of how to declare variables in MySQL: Declaring a variable with a value: DECLARE var_name INT DEFAULT 100; This declares a variable named "var_name" with […]
javadoc link to class with code examples
Javadoc is a documentation tool for Java programming language that generates API documentation in HTML format from Java source code. It provides a way for developers to document their code and make it easier for others to understand and use. Javadoc allows developers to include links to other classes within their documentation. This is useful […]
bootstrap border radius with code examples
Bootstrap is a popular front-end framework that helps developers create responsive and visually appealing websites. One of the many features of Bootstrap is the ability to easily add rounded corners to elements using the border-radius class. In this article, we'll discuss how to use the border-radius class in Bootstrap, along with some code examples to […]
latex cross with code examples
LaTeX is a high-quality typesetting system used for technical and scientific documents. It is widely used for writing mathematical equations and formulas, and it provides many tools for adding mathematical symbols and notations to text. In this article, we will discuss how to create a cross symbol in LaTeX and provide examples of code for […]
zsh command not found node with code examples
The "zsh: command not found: node" error message can occur when the Node.js executable is not in the system's PATH environment variable. This means that the system does not know where to find the Node.js executable when the command "node" is entered in the terminal. To fix this issue, you can add the path of […]
class apphttpcontrollersinput not found with code examples
The class App\Http\Controllers\Input is a class that is used in the Laravel framework to handle input data from forms or other sources. If you are receiving an error message that the class is not found, it could be caused by a few different factors. One possible cause is that the Laravel framework is not properly […]