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 are data types in TypeScript?
Definition A data type holds information about the type of data stored in a variable, e.g., number , string , boolean , etc. Syntax To provide a data ...
How to merge two sorted lists into a reverse-ordered list in C++
Overview In this Answer, we'll look at how to merge two lists sorted in ascending order such that the resultant list is in descending order in C++. Al...
What is the ConcurrentLinkedDeque.offerLast() method in Java?
The ConcurrentLinkedDeque is thread-safe unbounded deque . The null value is not permitted as an element. We can use the ConcurrentLinkedDeque when mu...
offerlast
concurrentlinkeddeque
java
What is the OptionalInt.orElse method in Java?
In Java, the OptionalInt object is a container object that may or may not contain an integer value. The OptionalInt class is present in the java.util ...
How to install NumPy library in Python
NumPy stands for Numerical Python. This library deals with multi-dimensional arrays, matrices, and high-level mathematical functions. It is widely use...
numpy
library in python
numpy in python
np
install numpy
What is Duration.minusSeconds() in Java?
minusSeconds() is an instance method of the Duration class, which subtracts the specified duration in seconds from the Duration object. The minusSecon...
What is the aifc.getcompname() method?
Audio Interchange File Format Audio Interchange File Format , AIFF , or AIFF-C is an audio file format standard used for storing sound data in electro...
edpresso competition
aifc
aiff(c)
stereo
What is the Stack.removeAllElements method in Java?
The Stack class is a Last-In-First-Out (LIFO) The element inserted first is processed last and the element inserted last is processed first. stack of ...
What is the DOM removeEventListener() method?
Overview In this shot, we will learn how to use the removeEventListener() method to remove an event handler from the element. Parameters removeEventLi...