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Monitoring Python files for changes is essential in many development and automation scenarios such as triggering automatic reloads, running tests, or updating services when the source code is modified. This is particularly useful in web development, machine learning pipelines or custom tooling where real-time responsiveness to file updates is beneficial. One effective way to achieve this in Python is by using the watchdog library which is a simple and efficient tool that listens for file system events like creation, modification, and deletion. With watchdog library the developers can set up observers that watch specific directories and respond to the changes ... Read More
The command line is the place where executable commands are given to the operating system. In Python, command-line arguments allow users to pass information to a script when it's executed from the terminal. A Python script can be executed by writing its name in front of the Python executable on the command line. Following is the example command which executes the Python file named sample.py - python sample.py If we need to pass arguments to a script, we can pass them at the time of execution, separating them by a space as shown below - python test.py Hello TutorialsPoint Python ... Read More
An image slider is a user interface component in JavaScript that allows users to view a series of images in a slideshow format. It is also known as a carousel or slideshow. An image slider consists of navigation buttons (such as next and previous buttons) that allow users to navigate from one image to the other. With the help of basic HTML for structuring and CSS for designing or making the image slider presentable, along with simple JavaScript logic, you can create an image slider efficiently. This article will guide you through creating a basic image slider with navigation buttons. ... Read More
In Python, determining the current directory of program execution is a common task, especially when working with file operations, configuration of files or dynamically accessing resources. The current directory refers to the location from which the script is being run, but not necessarily where the script file resides. Python provides two main ways to retrieve the current directory information, using the os module and the pathlib module. Significance of the Current Directory The current directory in Python is the folder from which our script is being executed. It’s important to find the current directory because all the relative file paths ... Read More
In Python, while working with files, we may need to duplicate binary files. In this article, we will go through various ways to explore efficient methods of copying binary files in Python. First, we need to understand about Binary format and Binary File Copying, before proceeding with various ways to copy a binary file. What is Binary Format? Binary format is a method of storing data in the form of binary digits, such as 0s and 1s. Unlike text format, which represents data using readable characters like letters and numbers, binary format stores data as raw byte sequences. Binary file ... Read More
Searching for specific files in a directory is a difficult task, and this can be accomplished by using different tools in Python. In this article, we will see how to find all the files in a directory with an extension .txt using Python. Here are the different approaches, let's see one by one in detail - Using os.listdir() The os.listdir() is a function from Python's built-in os module which returns a list of names, i.e., as strings, of the entries in the directory given by the path. Example In this example, we will use the function in Python's os.listdir() to ... Read More
Python is a high-level programming language that helps users to run a program and integrate systems more efficiently, as it executes a program in comparatively fewer lines of code. In Python programming language, a code can be executed in two ways - Interactive Mode Script Mode In this article, we will learn how to execute a Python program in script mode on Windows. However, the steps are almost the same for other operating systems.Python Script Mode Script mode in Python allows us to write Python code in files with the .py extension and run the entire program at ... Read More
Python is a high-level programming language that helps a user to run a program and integrate systems more efficiently, as it executes a program in comparatively fewer lines of code. In Python programming language, a code can be executed in two ways - Interactive Mode Script Mode In this article, we will learn how to execute Python code in Interactive mode in Windows. However, the commands are almost the same in other operating systems as well. Interactive Mode Interactive mode in Python is a built-in feature that allows users to execute Python commands one line at a time. ... Read More
To run a Python file in a directory, we generally use the Python or python3 command. However, it only runs a single file at a time. But executing one file each on a shell script seems hectic. Therefore, we must come up with a way to execute all files present in a directory simultaneously. In this article, let's go through the different methods to run all the Python files in a directory at a time. Using subprocess Module Using exec() function Using shell scripts Using multiprocessing Using subprocess.run() The subprocess ... Read More
Whenever we try to load a class, ClassNotFoundException occurs when the application tries to load a class at runtime using methods like Class.forName() or ClassLoader.loadClass(), but the JVM cannot locate the class in the classpath. The following are the reasons of ClassNotFoundException occurence and they are - Incorrect Class Name Incorrect Package Structure ... Read More