Sending custom email verification request in AWS

Leave a Comment / Blog post / By uteachon

AWS Sends out Email Verification Request to your users by default having its own template. How about sending a custom email verification email? Here are the steps using $ aws sesv2… CLI commands:AWS Custom Email Verification Template::“$ aws sesv2 list-custom-verification-email-templates”“$ aws sesv2 create-custom-verification-email-template –cli-input-json file://template_email_verification.json”“$ aws sesv2 update-custom-verification-email-template –cli-input-json file://template_email_verification.json”“$ aws sesv2 send-custom-verification-email –email-address “hashruf@uteachon.com” …

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Database Caching Approaches

Leave a Comment / Blog post / By uteachon

Caching as a service (CaaS) is a cloud-based solution that improves data retrieval speeds by storing frequently accessed data in an easily accessible format. This can significantly improve the performance of applications and user experience. Comparison of the caching strategies in terms of maintenance and prevention of code duplication as the number of clients increases:The …

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TDD approach to Serverless Java Development

Leave a Comment / Blog post, Unit Testing / By uteachon

TDD (Test-Driven Development) is an essential approach to Serverless Java development that emphasizes writing tests before writing the actual code. Importance of TDD in Serverless Java Development: Let us start with the required Tools to the setup environment: AWS Free Account Lambda functions in Java JUnit5: This is a popular framework for unit testing Java …

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Convert between Java objects and JSON String

Leave a Comment / Blog post, Free / By uteachon

In the world of software development, it is often necessary to convert data between different formats in order to exchange information between systems or to store it in a specific format. One common task is converting between Java objects and JSON (JavaScript Object Notation), which is a lightweight data interchange format that is easy to …

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JUnit5 and Mockito

Leave a Comment / Blog post, Free, Source Code Mgt, Unit Testing / By uteachon

Mocking… Arrange: Mocking makes entire functionality lost. It is training your mock by stubbing all the external dependencies with a given dummy input/expected output; when():thenReturns; throws exceptions. What remains are lines of code in the if/else branches that are executed by the type of input. Action: Calling the class under test’s (CUT) actual method in …

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Working with Git

Leave a Comment / Free, Blog post, Source Code Mgt / By uteachon

Pre-requisites: git is installed on your machine having admin rights. Git – Downloads (git-scm.com) Exercise Caution: Understand the git commands and their outcomes; before running them on your machine Quick setup steps: Identifying yourself for the codes you modify git config –global user.name “John doe”git config–global user.email jdoe@example.comgit config –list 4. git status 5. git add …

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