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 ...
How to create an IAM delegated user and user group
Overview We can use the AWS management console to create an IAM delegated user and user group.
For this, we will perform the following steps: Create ...
aws
iam delegated user
iam delegated user group
What is the BigDecimal.byteValueExact() method in Java?
A BigDecimal is an immutable, arbitrary-precision signed decimal number. BigDecimal contains an arbitrary precision integer unscaled value and a 32-bi...
What is the Boolean.compare method in Java?
The static method compare of the Boolean class is used to compare two Boolean values. Syntax public static int compare(boolean x, boolean y); Return v...
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 a 2-3 Tree?
A 2-3 Tree is a multiway search tree. It’s a self-balancing tree; it’s always perfectly balanced with every leaf node at equal distance from the root ...
What is List.append() in Python?
The append(elmnt) method is used to add an element at the end of a list. Syntax list.append(elmnt) Parameters For a parameter, append() requires an el...
What is isdecimal() in Python?
The isdecimal() function in Python tells whether a string contains all numeric characters. Syntax The syntax of the isdecimal() method is as follows: ...
What is the AtomicInteger.decrementAndGet method in Java?
AtomicInteger represents an int value that may be updated atomically Atomic operation is performing a single unit of work on a resource. During that o...
decrementandget
atomicinteger
java
How to iterate over a dictionary in C#
A dictionary is a type of collection in C# that stores elements as key/value pairs. It does not maintain a specific order for its elements. Syntax Her...