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Rajendra Dharmkar has Published 453 Articles
Rajendra Dharmkar
596 Views
In the world of computer programming, file handling is a very essential aspect of managing data efficiently. At times, when we are required to deal with large files, it may be that reading the entire file into memory may not be practical or efficient. In such situations, reading a file ... Read More
Rajendra Dharmkar
5K+ Views
When working with directories in Python, it's often necessary to obtain a list of files and subdirectories within a given directory. Moreover, sorting this directory listing by their names can be beneficial for better organization and readability. Python provides several methods and techniques to achieve this goal efficiently. Sorting the ... Read More
Rajendra Dharmkar
5K+ Views
In the process of managing files and directories in Python, there are often situations where you need to obtain a directory listing sorted by creation date. The task of sorting files and directories by their creation timestamps can be beneficial for various purposes, such as analyzing the most recently added ... Read More
Rajendra Dharmkar
15K+ Views
You know, it's common knowledge that dealing with files and archives is like a daily routine in the computer programming domain. So, there's this popular archive type called a TAR file that makes it easy for combining and storing files and folders in Linux machines in particular. It's the one ... Read More
Rajendra Dharmkar
832 Views
An essential skill in the dynamic world of computer programming that is desirable is being able to manage files and archives. The ZIP file is an in−demand archive type that makes data compression and storage simple. Python, which is known for its robustness and adaptability, makes available to developers powerful ... Read More
Rajendra Dharmkar
2K+ Views
Python is not class-based exclusively - the basic unit of code decomposition in Python is the module. A module is a distinct thing that may have one or two dozen closely-related classes. Modules may as well contain functions along with classes. In Python there is rule of one module=one file.In ... Read More
Rajendra Dharmkar
9K+ Views
A global variable is a variable with global scope, meaning that it is visible and accessible throughout the program, unless shadowed. The set of all global variables is known as the global environment or global scope of the program.We declare a variable global by using the keyword global before a ... Read More
Rajendra Dharmkar
9K+ Views
Given a string as user input to a Python function, I'd like to get a class object out of it if there's a class with that name in the currently defined namespace.Exampleclass Foobar: pass print eval("Foobar") print type(Foobar)Output __main__.Foobar Another way to convert a string to class ... Read More
Rajendra Dharmkar
9K+ Views
InheritanceBeing an Object Oriented language, Python supports inheritance, it even supports multiple inheritance. Classes can inherit from other classes. A class can inherit attributes and behaviour methods from another class, called the superclass. A class which inherits from a superclass is called a subclass, also called heir class or child ... Read More
Rajendra Dharmkar
12K+ Views
The return statement makes a Python function to exit and hand back a value to its caller. The objective of functions in general is to take in inputs and return something. A return statement, once executed, immediately halts execution of a function, even if it is not the last statement ... Read More