Python | Bubble sort program Bubble Sort is the simplest sorting algorithm that works by repeatedly swapping the adjacent elements if they are not in the right order. This is an example for bubble sort …

Python | Global, Protected, and Private Global, Protected, and Private access modifiers in Python. Python does not use these keywords to control access modifications instead single and double underscore  ‘_’ symbols are used to specify Protected and  Private to determine the access control. …

PHP-MySQL | Transaction with commit and rollback try { // First of all, let's begin a transaction $db->beginTransaction(); // A set of queries; if one fails, an exception should be thrown which we are handling at …

Primitive data types are Integers, Float, Strings, and Boolean. Non-primitive data types are Array, List, Tuples, Dictionary, Sets, and Files.    

Optimization is at the heart of many scientific and engineering problems—from minimizing cost functions to training machine learning models. Python’s SciPy library provides a robust module called scipy.optimize that offers a suite of optimization algorithms …

Python | Send an email To send an email, Python provides smtplib and email modules. Import these modules into the created mail script and send mail by authenticating a user. It has a method SMTP(smtp-server, port). …

Python | Lambda function A lambda function is a small anonymous function. This function can have any number of parameters but, can have just one statement.     Syntex:  lambda arguments : expression   a = lambda x,y : …

Python | Exception Handling Python has many built-in exceptions that are raised when your program encounters an error. Try and Except Statement – Catching Exceptions: Try and except statements are used to catch and handle …

Django | Meta Class A Meta class is simply an inner class that provides metadata about the outer class in Django. It defines such things as available permissions, associated database table name, singular and plural versions …

A few common security issues that can be avoided by using Django are: Clickjacking Cross-site scripting and SQL injection

Django | Request/Response Cycle Whenever a request is received by the Django server. The Request is processed by various middlewares and is passed to the URL Router. Then, the server looks for a matching URL in the urlpatterns …

Python | lists, and tuples Lists and Tuples both are sequence data types that can store a collection of objects in Python. They are both heterogeneous data types means that you can store any kind of …

Python | Monkey Patching In Python, the term monkey patch only refers to dynamic modifications of a class or module at run-time.   # m.py class A: def func(self): print("Hi") import m def monkey(self): print …

Python | zip() Function Python zip() function returns a zip object, which maps a similar index of multiple containers. It takes an iterable, converts it into an iterator, and aggregates the elements based on the iterable passed. …