Latest Articles

Multiple Ways to Invoke AWS Lambda Functions

This article will walk you through AWS Lambda function and multiple ways to invoke it. Also, the services that can be included or integrated with AWS Lambda.

September 16, 2021

by Vidya Ransam

· 4,202 Views · 3 Likes

Run Oracle SQL Script From Command Line in Windows

Sometimes we have to run a particular SQL script from the Windows command line “CMD” with or without parameters. Here are the steps required to perform this task.

September 16, 2021

by Hassan Abd Elrahman

· 11,888 Views · 2 Likes

RESTful Web Services With Spring Boot: Reading HTTP POST Request Body

In this video tutorial, explore RESTful Web Services with Spring Boot and take a closer look at reading HTTP POST Request Body using @RequestBody annotation.

September 15, 2021

by Ram N

· 8,079 Views · 3 Likes

A Good Old-Fashioned Perl Log Analyzer

AWK is great, but what happens when you need to move a bit beyond? Here I present a short Perl script for analyzing web server logs.

Updated September 15, 2021

by Mark Gardner

CORE

· 10,886 Views · 4 Likes

How to Deploy a Spring Boot App on AWS ECS Cluster

Learn how to setup an AWS ECS (Elastic Container Service) Cluster. Create the Cluster and deploy a Docker image containing a Spring Boot App.

September 15, 2021

by Gunter Rotsaert

CORE

· 2,190 Views · 1 Like

Key Features of Swift Programming Language

Swift is developed by Apple for macOS, iOS, watchOS, tvOS, and Linux. It is initially built for iOS and OS X apps but now it is an open-source language.

September 15, 2021

by Eran Kinsbruner

· 6,666 Views · 4 Likes

NUnit Tutorial: Setting up NUnit Environment With Visual Studio

In this NUnit tutorial, you will learn to set up a test runner and Selenium WebDriver with Visual Studio for NUnit test case development.

September 15, 2021

by Himanshu Sheth

CORE

· 7,299 Views · 2 Likes

How to Implement Two-Factor Authentication in A Spring Boot OAuth Server? Part 2: Under the Hood

This post continues Part 1 and demonstrates how the Spring Boot OAuth authentication server processes a token request internally.

September 14, 2021

by Alexander Eleseev

CORE

· 7,271 Views · 2 Likes

How to Implement Two-Factor Authentication in a Spring Boot OAuth Server? Part 1: Configuration

In this post, I demonstrate how to configure a two-factor authentication functionality for a Spring Boot 2.5 OAuth JWT server, that is a part of a larger Spring Cloud system.

September 14, 2021

by Alexander Eleseev

CORE

· 10,410 Views · 1 Like

Unused Indexes in MySQL: A Basic Guide

In MySQL, unused indexes waste space and make queries slower. This guide will show you how to identify unused indexes and avoid creating them.

September 14, 2021

by Everett Berry

· 3,919 Views · 2 Likes

Tools to Visualize your Terraform plan

It all started with this code sample with Terraform scripts For starters, Terraform is open-source software, developed by HashiCorp, that enables predictable...

September 14, 2021

by Vidyasagar (Sarath Chandra) Machupalli FBCS

CORE

· 8,262 Views · 4 Likes

GPT-J: GPT-3 Democratized

GPT-J is the open source cousin of GPT-3 that everyone can use. The open source transformer is all about democratizing transformers and with 6b parameters.

September 13, 2021

by Hrittik Roy

· 9,779 Views · 4 Likes

Google Cloud “GCP” native NixOS images build

How to build NixOS Google Cloud VM images using Google Cloud VM

September 13, 2021

by Ion Mudreac

· 4,748 Views · 4 Likes

Spring Security With LDAP Authentication

In this article, an author shares their experience with Spring Security on a demo purpose application of which the source code is available on Github.

September 13, 2021

by Dilek Karadaş Mataracı

· 29,180 Views · 9 Likes

NixOS Home Manager for Multi-User on NIX Flake Installation and Configuration

If you are interested in learning more about Nix and NixOS as pure functional configurations, language is a good start. Read on to find out more!

September 13, 2021

by Ion Mudreac

· 14,055 Views · 3 Likes

Is Today’s Microservice More Bloated than Yesterday’s Monolith?

In this article, one of our Core authors shares a personal experience regarding yesterday’s Monolithic and today’s Microservice architecture.

September 13, 2021

by Ram Lakshmanan

CORE

· 8,218 Views · 11 Likes

Understanding Interface Testing With Types, Strategy, and Tools

Interface testing is a type of software testing that verifies whether the communication between two different software systems is done correctly.

September 13, 2021

by Kamal Singh

· 3,817 Views · 1 Like

Auto Filter Messages Into Subscriptions in Azure Service Bus Topic

This article discusses the advantages and real-time use cases of the Subscription Rules for the multiple Cloud Messaging options of Service Bus.

September 13, 2021

by Arun prabhu

· 3,850 Views · 2 Likes

Google Cloud Pub/Sub: Messaging With Spring Boot 2.5

In this article, supplement your knowledge of Google Cloud Pub/Sub by learning how to create Spring Boot microservices to publish and subscribe to messages.

September 13, 2021

by Amareswaran Suriyamurthy

· 7,537 Views · 3 Likes

DataWeave Interview Question: Find the Greatest and Smallest Number of an Array

This article will help you practice your DataWeave skills in MuleSoft. Use the article as a tutorial for learning more about DataWeave.

September 13, 2021

by Gaurav Dubey

· 20,737 Views · 2 Likes

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