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The G1 garbage collector, despite its advantages, is currently not good at handling bigger objects, called Humongous. Learn how to diagnose and fix the problem.

October 20, 2020

by Misha Dmitriev

· 14,802 Views · 15 Likes

Minions in Minikube - A Kubernetes Intro for Java Developers

Java developers, it would be despicable not to take a look at this cute project that will give you a hands-on introduction to Kubernetes.

Updated October 20, 2020

by Ryan Dawson

· 15,359 Views · 20 Likes

Configuring Java Apps With Kubernetes ConfigMaps and Helm

This tutorial will show you how to develop Java microservices that use ConfigMaps, see how ConfigMaps are used, and update them in the app.

Updated October 20, 2020

by Ryan Dawson

· 82,114 Views · 18 Likes

Composite Design Pattern in Java

Want to learn more about the composite design pattern in Java? Take a look at this tutorial to learn how to implement this design pattern in your project.

Updated October 20, 2020

by Brijesh Saxena

CORE

· 63,038 Views · 18 Likes

Perceptron Explained Using Python Example - Data Analytics

In this post, you will learn about the concepts of Perceptron with the help of Python example. It is very important for data scientists to understand the con...

October 20, 2020

by Ajitesh Kumar

· 20,424 Views · 6 Likes

How to Scan a Barcode Image in Java

Use an API to scan or look up a barcode. Supported barcode types include AZTEC, CODABAR, CODE_39, CODE_93, CODE_128, DATA_MATRIX, EAN_8, EAN_13, ITF, MAXICODE, PDF_417, QR_CODE, RSS_14, RSS_EXPANDED, UPC_A, UPC_E, All_1D, UPC_EAN_EXTENSION, MSI, PLESSEY, and IMB.

October 20, 2020

by Brian O'Neill

CORE

· 11,314 Views · 1 Like

State Design Pattern In Java

State Design Pattern — a behavioral design pattern that allows an object to change its behavior when its internal state changes.

October 19, 2020

by Brijesh Saxena

CORE

· 5,044 Views · 6 Likes

Tracking Changes in MongoDB With Scala and Akka

Leverage change streams feature in MongoDB to get every change occurring in real-time.

Updated October 16, 2020

by Hubert Skowronek

· 8,639 Views · 4 Likes

How to Merge DOCX Files and Replace Text Strings in Java

Combine multiple Office Word Documents (docx) into a single document; Instantly find and replace specific text string variables like names and dates.

October 15, 2020

by Brian O'Neill

CORE

· 8,940 Views · 3 Likes

Builder Design Pattern In Java

The Builder design pattern is designed to provide a flexible solution to various object creation problems in object-oriented programming.

Updated October 15, 2020

by Brijesh Saxena

CORE

· 10,259 Views · 8 Likes

Project Reactor — Reactive Programming With Spring, Part 2

I will provide an overview of Project Reactor, a reactive library based on the Reactive Streams specification.

October 15, 2020

by Anna Eriksson

· 36,651 Views · 20 Likes

How SQL Server Stores Data Types: sql_variant

In this article, see how SQL Server stores data types.

October 15, 2020

by Randolph West

· 8,689 Views · 4 Likes

How to Use Spring Cloud Gateway With OAuth 2.0 Patterns

This article will show you how to use Spring Cloud Gateway for routing as well as traditional Servlet API microservices.

October 15, 2020

by Jimena Garbarino

· 30,775 Views · 3 Likes

Anti-Virus and 0-Day Threat Protection for Java Web Applications

With APIs predicted to become the focus for future cyberattacks, it's improtant to protect your Java applications from attacks from day one.

Updated October 15, 2020

by Brian O'Neill

CORE

· 18,385 Views · 4 Likes

Kubernetes — Replication, and Self-Healing

The benefit of using replication for your microservices and how the Kubernetes cluster can automatically recover from a service failure.

October 15, 2020

by Sudip Sengupta

CORE

· 6,324 Views · 13 Likes

Consumer-Driven Contract Testing With Spring Cloud Contract

Implement CDC testing with Spring Cloud Contract and two sample Spring Boot applications to understand the communication between microservices.

Updated October 15, 2020

by Jagdish Raika

· 15,099 Views · 3 Likes

Rate Limit (Throttle) for MySQL With ProxySQL

In this article, explore rate limit for MySQL with ProxySQL.

October 14, 2020

by Daniel Guzman Burgos

· 7,298 Views · 4 Likes

NLP Libraries for Node.js and JavaScript

In this post, we will talk about the best NLP libraries for Node.js and JavaScript that we have come across.

October 14, 2020

by Devashish Mamgain

· 10,611 Views · 6 Likes

Selenium Grid 4 Tutorial For Distributed Testing

Selenium Grid is packed with features for Selenium test automation, this Selenium 4 tutorial will guide you in performing Distributed Testing.

October 14, 2020

by Himanshu Sheth

CORE

· 13,603 Views · 8 Likes

Your NoSQL Database Has an Implicit Schema

There's an assumption in our industry that NoSQL or document database systems doesn't have schema, and hence are more easy to use. This assumption is simply wrong!

October 14, 2020

by Thomas Hansen

CORE

· 5,969 Views · 3 Likes

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