let vs. var vs. const in JavaScript
In JavaScript, we can create a variable using three keywords: let var const What is Scope? Scope is the accessibility during runtime of variables, fun...
What is a pass statement in Python?
A pass statement is an empty/null statement that is considered as a placeholder for future code. When a user doesn’t want to write a code, or is not a...
What are shallow and deep copies?
Shallow copy In a shallow copy , the references of an object are copied in another object when we copy the object. The referenced object itself is not...
What is a uniform cost search algorithm?
Search algorithms are used to resolve search problems. For example, search for the shortest path between two given points, searching for a goal, and s...
uniform cost search
ucs
algorithm
How to check for Palindrome numbers in Java
A palindrome number is a number that has the same value as that of the original number when reversed, e.g., 121, 111, 1223221. If you were to reverse ...
How to setup AWS VPC
AWS virtual private cloud (VPC) is a service provided by AWS that allows you to create and manage your virtual network infrastructure within the AWS c...
aws
vpc
virtual private cloud
amazon
cloud
Deep copying vs. shallow copying
Let’s take two objects of the same type (A and B) where the contents of A are to be copied into B. Let’s see how this copying will take place in the c...
What is an arrow function in JavaScript?
Arrow function or an arrow function expression is a more concise syntax for writing regular function expressions that allow us to write shorter and n...
Deep learning
Deep learning is a subset of machine learning that involves using artificial neural networks to imitate the structure and the function of a human brai...
machine learning
ai
artific
data science
Vue vs. React
React is a JavaScript UI framework created by Facebook and made open source in May 2013. React is significantly more popular than Vue; at the time of ...
How to implement routing in Next JS
Key takeaways: Routing in Next.js is implemented using the Pages Router, which is based on the pages directory. Each file within this directory corres...
What's 404 Not Found?
Sometimes, when a user tries to access a website by typing the URL or through a bad link, instead of directing the user to the webpage, the 404 Not Fo...
How to create madlibs using Python
MadLibs help you to create funny little tales through its interactive templates. MadLibs come in all sorts of platforms (e.g., newspapers, puzzle book...
Why is the throughput less than the bandwidth provided by ISP?
One of the most crucial aspects of network performance is speed, which we measure using throughput and bandwidth. Administrators need this information...
What is DOM removeNamedItem() method used for in HTML?
Overview The removeNamedItem() method dynamically removes attributes of HTML elements as the user only interacts with the web page. This method is use...
What is set.disjoint?() in Ruby?
Overview In Ruby, the disjoint?() method is used on sets. A set is a collection of unordered unique elements. When this method is called, it returns a...
What is the toString method of the strings class in JavaScript?
In Javascript, we can use the toString method to get the string representation of an object. Note: This function is equivalent to the valueOf() method...
What is CharUtils.toCharacterObject() in Java?
The toCharacterObject is a static method of the CharUtils class that converts a string to a character object. The given string’s first character is re...
What is the CopyOnWriteArraySet.containsAll method in Java?
Overview The containsAll() method checks if all the elements of a specific collection object are also present in the CopyOnWriteArraySet object. Note:...
What is math.sinh() in Python?
The sinh() function returns the hyperbolic sine of a number. To be more specific, it returns the hyperbolic sine of a number in radians. The figure be...