Monday 4 June 2018

JCG Weekly: Spring Apache Kafka Tutorial, The One Thing Your CI/CD Workflow is Missing

[MEGA DEAL] 2018 Supercharged Cybersecurity Bundle (95% off)

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Your Weekly Java Code Geeks Dose

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Utilizing APM to Support Performance Testing in AWS

Performance testing has always been about ensuring the scalability of a software application. Until the arrival of the first performance test automation solutions in the late 90's, performance testing was a manual process that was difficult, if not impossible, to test in a consistent and reliable fashion. The arrival of these new toolsets suddenly allowed software testers to turn discrete user actions into scripts that could be combined and replayed as test scenarios. This eBook discusses the history of application performance testing, and with that backdrop, offers advice on combining performance testing and App Performance Monitoring (APM) in AWS.

 
 

Ensuring Visibility into Microservices & Containers

As more enterprises embrace DevOps practices and move workloads to the cloud, application architects are increasingly looking to design choices that maximize the speed of development and deployment. Two of the fastest growing are containers and microservices. Read this ebook to get an introduction to the benefits and use cases of Microservices, Containers, and APM. Download this ebook to learn: How containers and microservices work The benefits and challenges of using them How a unified view of the enterprise stack and effective application performance monitoring (APM) can help to maximize their benefits

 

Best of the Week from JCG

Every developer wants to build faster and more efficiently, to support scale. Building a microservices architecture with Spring can add resilience and elasticity to your architecture that will enable it to fail gracefully and scale infinitely.
 
[MEGA DEAL] 2018 Supercharged Cybersecurity Bundle (95% off) (by Eleftheria Drosopoulou)
Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 95% off on 2018 Supercharged Cybersecurity Bundle. Get it now with only $29,99, instead of the original price of $635,90..

FREE Programming Courses Giveaway from Java Code Geeks and StackCommerce (total value of $3,834,05)! (by Eleftheria Drosopoulou)
Java Code Geeks and StackCommerce are giving away 3 FREE Programming Courses!!! You can check the 3 Programming Courses below! In order to be the winner simply enter our competition:
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Spring Apache Kafka Tutorial (by Shubham Aggarwal)
In this Spring Apache Kafka lesson, we will learn how we can get started with Apache Kafka in a Spring Boot project and start producing and consuming messages on the topic of our choice. 

 
Raw data from database rows and tables does not provide so much insight to human readers. Instead, humans are much more likely to see data patterns if we perform some kind

Mega-Deal: Programming Courses from Only $10.99!


We have arranged a mega-deal with Udemy for your eyes only! You can purchase each course from just $10.99. The deal will be available for LIMITED TIME ONLY, so make sure to grab them now!
 

Latest JCG Examples

Hello readers, in this tutorial, we will show how to iterate the documents of a Mongo collection using the Java driver. 

Git Remote Branch Example
Git is an open source distributed version control system designed to handle everything from small to large projects with speed and efficiency. Three-tree architecture is the key concept. Here are the three trees:

Java Servlet Set/Get Example
One of the main challenges for every beginner in the development world is to understand and assimilate how things works internally in a technology in order to create their own code... Secure Sockets Layer (SSL) is a standard security protocol for establishing encrypted links between a web server and a browser in an online communication..
  In this article we will learn how to integrate OAuth2 with Spring Security. 1. Introduction- Spring Security is a powerful and highly customisable authentication and access-control framework.

Best Web Code Geeks Articles


Build Secure User Management with Vue.js, Node, and Okta (by Brandon Parise)
Many of us have danced the JavaScript framework shuffle for years starting with jQuery, then on to Angular. But Angular is complex, so we turn to React. 

AngularJS Lowercase Example (by Yatin Batra)
Hello readers, in this tutorial, developers will learn what AngularJS is and how to use the lowercase filter in the angular applications.

Introduction to scalatags in Scala.js (by Zakaria Amine)
scalatags is a Scala library that allows generating dom parts or snippets in a functional style. In the same spirit as Elemento for GWT, scalatags's goal is to interact with the dom using clean...

Best System Code Geeks Articles


CockroachDB: A cloud native SQL database in Kubernetes (by  Alex Soto)
CockroachDB 2.0 has just been released. For those who don't know what it is, it can be summarized as a SQL database for the cloud era. One of the best things about CockroachDB...

Common Table Expressions in PostgreSQL (by Gabriel Canepa)
With all the Relational Database Management Systems (RDBMs) out there, it may be somewhat difficult to identify the best solution for your needs and to take an informed decision as to which one to choose.
 
Apache Configuration Tutorial (CentOS / Ubuntu Linux) (by Gabriel Canepa)
In this course, we provide a compilation of Apache HTTP Server tutorials that will help you get started with this web server. We cover a wide range of topics, from installing the server and performing a basic configuration, to configuring Virtual Hosts and SSL support.

New and Noteworthy from the Community


How to Deal with Open Source Vulnerabilities
Despite the shockwaves following the Equifax hack in September 2017, the industry still has a long way to go in protecting their products. A key area to focus on is the open source components that comprise 60-80%

IntelliJ IDEA 2018.2 EAP2: Breakpoint intentions, enhancements in Code Refactoring and more
We opened an Early Access Program for IntelliJ IDEA 2018.2 just one week ago, but today we are ready to deliver a new EAP build with some cool new features.

Design Patterns Explained – Adapter Pattern with Code Examples
Design patterns provide a reliable and easy way to follow proven design principles and to write well-structured and maintainable code. One of the popular and often used patterns...

Spring Boot – How to solve OAuth2 ERR_TOO_MANY_REDIRECTS
This error occurs when the redirect URL set under the authorization service(Google, Facebook … etc) is not defined as a permitted URL inside your application.

FXParallax: Parallax In Java Version 2
I've added two new controls to FXParallax library. The first and most important one, ParallaxPane, creates the possibility of adding a parallax effect to any Node subclass. The second, AnimatedScrollPane extends...

Blast from the Past !


Top 6 Performance Challenges in Managing Microservices in a Hybrid Cloud
As we review the history of enterprise applications we have seen several trends emerge over the years. In the mid-late 90s we built applications to be large and monolithic..

Deploying Docker Images to OpenShift
OpenShift is RedHat's cloud development Platform as a Service (PaaS). It uses Kubernetes as container orchestration (so you can use OpenShiftas Kubernetes implementation)

Pimp My Git – Git Mergetool
I like to work with git on the command line. But in some cases I prefer UI support. For example, solving merge conflicts is such a case.

Featured Mini-Books!


Apache Maven Cookbook
Maven is a build automation tool used primarily for Java projects. Maven addresses two aspects of building software: first, it describes how software is built, and second, it describes its dependencies. An XML file describes the software project being built, its dependencies on other external modules and components, the build order, directories, and required plug-ins. It comes with pre-defined targets for performing certain well-defined tasks such as compilation of code and its packaging.

Getting Started with Mobile Application Testing
You're thinking of building a mobile app or perhaps you've already built one; depending on the approach you've taken, it could be a web app1, a native app2, or both. Mobile devices complicate testing further. An app that runs on one device might not run as expected on another, even if both devices are running the same operating system (OS) or OS version. As with desktop browsers, mobile browsers are implemented differently across mobile devices or mobile device OS, so there's no guarantee that what runs on one device will work the same on another.
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