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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 function named call(), This function helps us to run the shell commands of the underlying Operating system. You just need to pass the respective command with the desired options (in the recommended order). For example, the command to set permissions read-write permissions to a user in the Unix ... 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 by using plt.hist(bin="") Steps to Create Logarithmic Bins To set logarithmic bins in a Python histogram, the steps are as follows. Import Libraries: Importing 'matplotlib' for plotting and 'numpy' for performing numerical computations. ... 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 separated by a comma. CSV files are widely used because they are easy to read and write (handling files) and also easy to transfer data in the form of strings. Common Approaches There are various scenarios for saving a Python Dictionary to a CSV file, in this article, we focus ... 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 a calendar in Python, we import the calendar module, which will import all module classes. Key Features Some of the features provided by Calendar module are as follows: Calendar Functions: To generate HTML or text format ... 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 involves generating an HTML form for file uploading and a Python script to manage file saving and uploading to the server. The steps involved in uploading files using Python are as follows - Creating HTML Form ... Read More
To get the number of days between two dates in JavaScript, we will be understanding four different approaches with stepwise explaination and example codes. In this article, we are having two different dates and our task is to get the number of days between two dates in JavaScript. Approaches to Get the Number of Days Between Two Dates Here is a list of approaches to get the number of days between two dates in JavaScript which we will be discussing in this article with stepwise explaination and complete example codes. Get Number of Days Using ... Read More
There are several ways to extract unique values from a column in a data frame using Python Pandas, including unique() and nunique(). The panda's library in Python is mostly used for data analysis and manipulation to locate unique values in a data frame column. Some common methods to get unique values from a column are as follows: unique(): This method will return the unique values of a Series or DataFrame column as a NumPy array. ... Read More
Sometimes we want to set a base attribute to everything and allow more specific selectors to adjust it for certain elements as needed. There are also cases, especially when doing brief temporary testing, where we want a font to apply to all text no matter what. Ways to Set Global Font You can use the below-mentioned approaches to set the global font to your entire HTML document. Using Universal Selector Using !important Keyword Get Started with Approaches Here you will see an example of each approach mentioned above ... Read More
In this article, we will understand how to print a collection in Java. The Collection is a framework that provides architecture to store and manipulate the group of objects. Java Collections can achieve all the operations that you perform on a data such as searching, sorting, insertion, manipulation, and deletion. Problem Statement Write a program in Java to print a Collection. Below is a demonstration of the same − Input Run the program Output The Elements of the collection are: Language : Java | Language_id : 101 Language : Scala | Language_id : 102 Language : Python | Language_id : ... Read More
In this program, we will convert a string to both lowercase and uppercase using toLowerCase() and toUpperCase() methods of Java. The toUpperCase() method converts all of the characters in this String to upper case using the rules of the default locale. The toLowerCase() method converts all of the characters in this String to lowercase using the rules of the default locale. Problem Statement Write a Java program that converts strings to lowercase and uppercase using the toLowerCase() and toUpperCase() methods − Input SELF LEARNING CENTER TUTORIALS POINT This is TutorialsPoint www.tutorialspoint.com Output string value = self learning centrestring value = ... Read More