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 is the CSS column-width property?
The column-width property in CSS Cascade Style Sheets is used to define the width of the column when we are using a multi-column layout. We can also u...
What is the HashMap.values in Dart?
Overview The values property can be used to get all values of the a HashMap object. Note: Read more about the HashMap class here . Syntax Iterable<...
What is the sample() method in Euphoria?
Overview In statistical terms, population sampling involves choosing from a vast set of items called population . A representative set of items is ca...
What is the debugDescription property of a dictionary in Swift?
Overview When we use the debugDescription property of a dictionary instance on a dictionary, we want to get the string that represents the contents of...
What is the ArrayDeque.pollLast method in Java?
An ArrayDeque (Array Double Ended Queue) is a growable array that allows us to add or remove an element from both the front and back. This class is th...
What is the <figcaption> tag in HTML?
Overview In HTML , the <figcaption> tag is used to define the caption of the <figure> element. It is added as the last or the first child ...
What is nexttowardl() in C?
The nexttowardl() function produces the smallest possible value after a number in a given direction. The declaration of nexttowardl() is shown below: ...
What is the FloatBuffer compareTo() method in Java?
The compareTo() method of the class java.nio.FloatBuffer is used to compare two buffers. Two buffers are compared by comparing their sequence of remai...
What is the patch() method in Euphoria?
Overview In Euphoria, the patch() method is used to pad up a sequence to a required length and from a specified position. To patch a sequence, we hav...