Java8 Optional class, usage and advantages ?
The Optional class was introduced in Java 8 as a way to handle the null values in a cleaner and
How to handle Null Values in Java8 Streams?
Java Streams is a powerful API for processing data and performing complex operations in an efficient and elegant manner. However,
Java8 map() vs reduce() ?
The Java Stream API provides several aggregate operations to process data in a functional way. Two of these operations, map()
Windows – How to get my local ip ?
To get your local IP of a Windows system, you can use one of the following methods. How to get
Java8 map() vs flatMap() ?
Java 8 introduced streams as a way to process data in a functional and efficient manner. One of the key
Top 20 Java Streams API interview questions
The Java Streams API is a powerful tool for processing large amounts of data in an efficient and scalable way.
How to hide python module entities?
Now that we know how to import our modules, we might want to restrict what is exposed. In this tutorial,
Different ways to import modules in Python
Python import: Python provides a few different ways to import modules and packages. In this tutorial, we'll take a look
How to create a Python Module ?
To have truly reusable code, we need to access functions, variables, and objects that have already been written. Thus we
What is Scope in Python ?
When working with any programming language, the variables and objects that we're working with are only accessible within certain scopes.
Understanding Python function parameter vs argument
When talking about functions, the words parameter and argument are often used interchangeably. But they represent two different things. In this tutorial,
Create a function in Python
In this tutorial, we are going to see how to create a function in python. Python functions: Being able to
Python Global keyword Example
Occasionally, we want to be able to modify a global variable from within a more specific context. In this situation,
AWS SAM – Secure Api Gateway endpoints using CognitoUserPool
In this tutorial, we are going to see how to secure API gateway endpoints using CognitoUserPool. The user pool is
AWS – SAM Create a generic role and attach to all lambdas
Here, we will create an IAM role in the SAM template and attach it to lambda functions. How to create
AWS – SAM Lambda Layer example
Here we are going to see how to define an AWS lambda layer in the SAM template. AWS SAM Lambda
AWS – SAM Serverless Function Example
Here we will see how to define the sam serverless function in AWS sam or cloud formation template. SAM Serverless
Java AWS – How to read messages from SQS
In this tutorial, we are going to see how to read messages from AWS SQS using Java SDK. Java read
Java AWS – How to Send Messages to SQS Queues
In this tutorial, we will see how to send messages to SQS Queues using AWS Java SDK. Java Send Messages
Java AWS – How to Create SQS Standard and FIFO Queues
In this tutorial, we will see how to create SQS Standard and FIFO Queues using AWS Java SDK. AWS SQS: