What is Amazon CloudWatch?
Key takeaways: Amazon CloudWatch is a vital service for monitoring AWS resources and applications. Basic metrics are automatically collected at predef...
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 ...
What is Python used for?
What does Python offer? Code readability and simplicity Supports open source software frameworks Robust standard library Supports diverse programming ...
What are strings in C?
Strings are considered a group of characters. In the C language, a string is denoted with the help of a character array. Basically, the end of the str...
What is the Java ActionListner?
The JavaActionListener is an interface found in the java.awt.event package; it is notified against the ActionEvent whenever the button or menu item is...
What is the _.drop() method in Lodash?
Overview The _.drop() method in Lodash creates a slice of an array by dropping the n number of elements from the beginning of the array. Syntax _.drop...
What is the _.pull() method in Lodash?
Overview The _.pull() method in Lodash removes all the specified values from an array. This method mutates the original array. Syntax Parameters This ...
What is the HTML <fieldset> tag?
The <fieldset> tag in HTML5 groups several related components within an HTML form. It creates a box around the child elements. Syntax <fields...
What is the ArrayList.removeAll() method in Java?
The ArrayList.removeAll() method in Java is used to remove all the elements in a list that a collection contains. Syntax The ArrayList.removeAll() met...
What is Acceptance Testing?
Acceptance testing is a software testing method that is usually performed as the last stage of testing before releasing the product for market use. As...
acceptance testing
type of acceptance testing
uses of acceptance testing
What is the SQL server POWER() function?
The POWER function returns the result of a defined number raised to the power of a defined exponent number. For example, the POWER() function will ret...