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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to merge multiple files into a new file using Python?
Python makes it simple to create new files, read existing files, append data, or replace data in existing files. With the aid of a few open-source and third-party libraries, it can manage practically all of the file types that are currently supported. We must iterate through all the necessary files, collect their data, and then add it to a new file in order to concatenate several files into a single file. This article demonstrates how to use Python to concatenate multiple files into a single file. Using Loops A list of filenames or file paths to the necessary python files ...
Read MoreHow to check if a file exists or not using Python?
You might wish to perform a specific action in a Python script only if a file or directory is present or not. For instance, you might wish to read from or write to a configuration file, or only create the file if it doesn't already exist There are many different ways to check if a file exists and figure out what kind of file it is in Python. Using OS Module An inbuilt Python module called Os has tools for dealing with the operating system. We can access operating system features by using os. In Python, os.path is a sub-module ...
Read MoreHow to change the owner of a directory using Python?
By utilising the pwd, grp, and os modules, you can modify the owner of a file or directory. To obtain the user ID from the user name, to obtain the group ID from the group name string, and to modify the owner, one uses the uid module. Following are the methods to change the owner of a directory using Python − Using os.chown() Method To change the owner and group id of the given path to the specified numeric owner id (UID) and group id(GID), use Python's os.chown() method. Syntax os.chown(filepath, uid, gid, *, dir_fd = None, follow_symlinks = True) ...
Read MoreHow to change the permission of a file using Python?
The user whose actions are allowed on a file are governed by its file permissions. A file's permissions for reading, writing, and executing are modified when the file's permissions are changed. This article will cover how to change a file's permission in Python. Using os.chmod() Method To modify the permissions of a file, use the os.chmod () method. Syntax Following is the syntax for os.chmod() method − os.chmod(path, mode) Where, path represents the path of the file and mode contains different values as explained below. There is no return value obtained in this method. Os.chmod() modes Following are the ...
Read MoreHow to Convert CSV to Excel using Pandas in Python?
In this article, we will show you how to convert a CSV File (Comma Separated Values) to an excel file using the pandas module in python. Assume we have taken an excel file with the name ExampleCsvFile.csv containing some random text. We will return a CSV File after converting the given excel file into a CSV file. ExampleCsvFile.csv Player Name Age Type Country Team Runs Wickets Virat Kohli 33 Batsman India Royal Challengers Bangalore 6300 20 Bhuvneshwar Kumar34 Batsman India Sun Risers Hyderabad 333 140 Mahendra Singh Dhoni 39 Batsman India Chennai ...
Read MoreHow to compare two different files line by line in Python?
This tutorial looks at various Python comparison techniques for two files. We'll go over how to perform this typical work by using the available modules, reading two files, and comparing them line by line. In Python, comparing two files can be done in a variety of ways. Comparing Two Text Files Line by Line Using the open() function to read the data from two text files, we can compare the information they contain. The local directory will be searched for and potentially read by the open() function. Example We'll contrast two files containing python data in this example. We're informed ...
Read MoreWhat are the essential tags for an HTML Document?
Hyper Text Markup Language which is also known as HTML is used to create web pages and web applications. This application made using HTML are accessible to anyone on the world wide web (internet). The Hydertext and Markup language together help define a basic blueprint of the website or web applications.An HTML tag is used to indicate the beginning and closing for an HTML element of an HTML document. With help to these HTML tags a browser transforms an HTML document into a website or web application. In general, a tag is structured with three components, Opening Tag - Marks ...
Read MoreHow to convert a MySQL date to JavaScript date?
In this tutorial, we will learn to convert the MySQL date to JavaScript date. The MySQL date is not different from the regular date, but its format or syntax is different, which we need to convert into the format of a normal date. The general syntax of the MySQL date is YYYY - MM - DD HH: mm: ss. So, we need to convert the given MySQL date string syntax to normal date syntax. We will have two approaches to converting the MySQL date to the JavaScript date. Using the replace() Method Using the split() Method Using the ...
Read MoreHow to convert seconds to HH-MM-SS with JavaScript?
In this tutorial, we will learn to convert seconds to Hours, Minutes, and Seconds (HHMM-SS) format in vanilla JavaScript. The date and time are an integral aspect of our daily lives; date and time are frequently used in computer programming. You might need to write a website in JavaScript with a calendar, a rail schedule, or an interface for scheduling appointments. So, for such purposes, JavaScript provides us with some inbuilt functions like the getTime() returns the number of milliseconds since January 1, 1970, 00:00:00. Using the toISOString() Method We might need to put seconds into a well-formatted structure to ...
Read MoreHow can I get time and date since epoch in JavaScript?
In this tutorial, we will learn to get the date and time since epoch in JavaScript. Sometimes, programmers need to find the total number of milliseconds, seconds, days, or other things from 1 January 1970 since the UNIX epochs started. So, users can use the Date() class of JavaScript or the Moment.js library of JavaScript to get the date and time since the epoch started. Using the Object of Date() Class In this approach, we will learn to get the current date from the UNIX epoch that has been started on 1 January 1970. In JavaScript, the Date() class contains ...
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