Knowledge Factory

Here is a complete end-to-end guide on how to send an email in Spring Boot using JavaMailSender . This tutorial will take you from setting up your Spring Boot application to sending an email with the required configuration, code, and steps. Step 1: Create a New Spring Boot Project Using Spring Initializr Open Spring Initializr in your browser. Fill out the project details: Project: Choose Maven Project (or Gradle if preferred). Language: Choose Java . Spring Boot Version: Use the latest stable version. Group: com.example Artifact: email-demo Name: email-demo Description: A project to send emails using Spring Boot Package Name: com.example.emaildemo Packaging: Jar Java Version: Select the version of Java (preferably 17 or newer). Under Dependencies , select: Spring Web Spring Boot Starter Mail Click the Generate button to download the ZIP file containing your project. Step 2: Extract and Import the Project into Your IDE Extract the downloaded ZIP file and open the folder ...

The PCEP-30-02 certification, or the PCEP – Certified Entry-Level Python Programmer exam, is an entry-level certification for individuals who want to demonstrate their knowledge of Python programming fundamentals. It is ideal for those starting their Python programming journey and is recognized globally as a stepping stone to a career in software development. Key Topics Covered in the PCEP-30-02 Exam: Python Syntax and Semantics : Understanding basic Python syntax, indentation, and structure. Writing and interpreting Python statements and expressions. Data Types and Variables : Working with basic data types such as integers, floats, strings, and booleans. Variable declaration, type conversion, and basic operators. Control Flow : Understanding conditional statements ( if , else , elif ). Working with loops ( for , while ). Functions : Defining and calling functions. Function parameters, return values, and scope. Data Structures : Using lists, tuples, sets, and dictionaries to store an...

Here’s a complete end-to-end guide on how to integrate Azure Key Vault with a Python Flask application, including all the necessary steps for both local and production environments. Prerequisites: Azure Subscription : You need an active Azure subscription. If you don’t have one, create a free account at Azure Free Account . Azure Key Vault : Set up an Azure Key Vault instance in your Azure portal. Here’s how: Go to the Azure portal. Search for Key Vault and create a new Key Vault. After the Key Vault is created, go to the Secrets section and add a new secret (e.g., MySecret with a value). Azure Active Directory (AAD) : Make sure your Flask app is registered with Azure AD (if you’re using Service Principal or Managed Identity for authentication). Install Azure CLI : If you’re developing locally, ensure that Azure CLI is installed and you’re signed in ( az login ). Step 1: Install Required Libraries Install the required libraries using pip: pip install azure- identity azure-keyvault...

To create a RESTful CRUD API with Laravel and AWS DynamoDB, you need to integrate DynamoDB into your Laravel application and implement basic CRUD (Create, Read, Update, Delete) functionality. Here's a general approach to set this up: Prerequisites Laravel Application : Ensure you have a Laravel application installed. AWS Account : You need an AWS account with DynamoDB access. Composer AWS SDK for PHP : You need the AWS SDK for PHP, which Laravel can use. Step-by-Step Guide 1. Install the AWS SDK for PHP Run the following command to install the AWS SDK for PHP in your Laravel project: composer require aws/aws-sdk-php 2. Set up AWS Configuration You need to configure your AWS credentials. You can either use environment variables or the config/services.php file in Laravel. In .env , add your AWS credentials: AWS_ACCESS_KEY_ID =your-access-key AWS_SECRET_ACCESS_KEY =your-secret-key AWS_DEFAULT_REGION =your-region AWS_DYNAMODB_TABLE =your-table-name In config/services.php , add the fo...

To build a RESTful APIs for CRUD operations with Flask and Azure Cosmos DB, follow these steps: Prerequisites: Azure account : Create an account if you don't already have one Azure Sign Up . Azure Cosmos DB : Create a Cosmos DB account (SQL API recommended) from the Azure portal. Python environment : Ensure Python 3.7+ is installed. Install necessary libraries : Flask and Azure Cosmos DB SDK. Step 1: Install Required Libraries You'll need the following libraries for the Flask app and Azure Cosmos DB integration: pip install flask azure-cosmos Step 2: Set Up Azure Cosmos DB Create a Cosmos DB account : Go to Azure Portal > Create a resource > Azure Cosmos DB. Choose SQL API. After the Cosmos DB account is created, get the URI and Primary Key from the Keys section of your Cosmos DB instance. Create a Database and Container : In your Cosmos DB instance, create a database (e.g., flaskDB ). Create a container inside the database (e.g., items ) with a partition key, such a...

To build REST CRUD APIs using Azure SQL Database and ASP.NET, you can follow these steps: Step 1: Create an Azure SQL Database 1. Sign In to the Azure Portal Open Azure Portal . Sign in with your Azure credentials. If you don’t have an account, create one. 2. Navigate to the "Create a Resource" Section In the Azure Portal, click on "Create a resource" . In the Search box, type "SQL Database" and select it from the search results. 3. Configure the SQL Database This step involves configuring the necessary settings for your database. Database Settings: Subscription : Select your Azure subscription. Resource Group : You can either create a new resource group or select an existing one. Resource groups help organize and manage related resources. Database Name : Choose a name for your database (e.g., MySqlDb ). Server : You need to create a new SQL Server or select an existing one. If creating a new server, click on "Create new" , and provide: Server ...