Coding Resources

How to Learn Java As Quickly As Possible: Best Practices to Adopt

Students who start to learn Java and other programming languages often wonder if there are any tips and tricks that will quicken the learning process. I am not sure about tricks in terms of studying, but there are a few handy tips to make the process as quick as it is realistically possible.

November 16, 2020

by John Selawsky

· 20,151 Views · 4 Likes

Installing Open JDK 8 on Ubuntu

DevOps engineers usually want to install and configure Open JDK 8 on Ubuntu systems. These instructions show how to install Open JDK on Ubuntu.

November 13, 2020

by Orestis Pantazos

· 15,275 Views · 3 Likes

Containerizing Your Spring Boot Application With Jib

Using Jib as a facilitator for building optimized images of our Spring Boot applications

November 13, 2020

by Diogo Silvério

· 15,897 Views · 7 Likes

How to Encrypt and Set Permissions for a PDF in Java

Encrypt a PDF document with a password, and set permissions on the PDF. Restrict or allow printing, copying content, document assembly, editing, etc.

November 13, 2020

by Brian O'Neill

CORE

· 6,426 Views · 2 Likes

How to Convert HEIC to JPG in Java

Convert between over 100 file formats, including key formats such as Photoshop (PSD), PNG, JPG, GIF, NEF, and BMP.

November 13, 2020

by Brian O'Neill

CORE

· 21,945 Views · 2 Likes

How to Build a Chat App With Spring Boot and DynamoDB

The goal of this article is to show the simplest chat implementation with one server and multiple clients based on Spring Boot and deployed to AWS.

November 13, 2020

by Bogdan Nechyporenko

CORE

· 7,277 Views · 4 Likes

Cloud-Events Kafka Binding With Spring

Utilize Kafka Protocol Binding for CloudEvents along with Spring-Kafka to easily produce and consume events in a common format.

November 13, 2020

by Will Kennedy

· 13,440 Views · 7 Likes

Deploy Maven Apps to Kubernetes With JKube Kubernetes Maven Plugin

Checkout how Eclipse JKube Kubernetes Maven Plugin makes creation of Docker Images and Deploying to Kubernetes seamless within your old Java workflow.

November 13, 2020

by Rohan Kumar

· 15,405 Views · 4 Likes

Resolve OutOfMemoryError With Excel Export in the Apache POI Stream API

Version 3.8 of Apache POI Stream API has a stream api that can solve your big issues when exporting a huge excel spreadsheet with 200K-300K rows of data.

Updated November 13, 2020

by Shidram BJ

· 69,667 Views · 11 Likes

DataWeave Logging — Print Logs From DataWeave2.0

This article is about printing the logs directly in the output console(after deployment) without using an additional logger component.

Updated November 13, 2020

by Nitish Jain

· 19,020 Views · 5 Likes

Adding Rich Output Options to a Full-Stack Application Using DocRaptor

Learn how to add DocRaptor to convert HTML to a PDF with advanced features, such as custom headers, footers, watermarks, and endless styling options.

November 13, 2020

by John Vester

CORE

· 74,148 Views · 6 Likes

Spring Boot Monitoring via Prometheus -Grafana

In this article, take a look at a tutorial on how to show your spring boot application metrics in Prometheus and Grafana.

November 13, 2020

by Murat Derman

· 24,809 Views · 3 Likes

DevOps Versus Other ‘Ops’

DevOps does more than just combining Agile development concepts with IT operations. So, what are the other ‘Ops’ to consider? And how do they compare to DevOps?

November 12, 2020

by Stefan Thorpe

· 17,416 Views · 2 Likes

Importance of Schema Registry on Kafka Based Data Streaming Pipelines

Schema Registry acts as a service layer for metadata. It stores a versioned history of all the schema of registered data streams and schema change history.

November 11, 2020

by Gautam Goswami

CORE

· 7,235 Views · 2 Likes

6 of the Best API Testing Tools in the Market

In this article, see six of the best API testing tools available on the market, including Katalon Studio, Postman, SoapUI, and more.

November 11, 2020

by Shormistha Chatterjee

CORE

· 8,266 Views · 6 Likes

Spring Boot - Unit Test your project architecture with ArchUnit

Impose guidelines as verifiable JUnit tests using ArchUnit. It guarantees that a software version will be discontinued if an architectural violation is introduced.

November 10, 2020

by Anicet Eric

· 12,894 Views · 6 Likes

Protecting Your React.js Source Code With Jscrambler

Source code protection is recommended by the OWASP and NIST as a way to prevent reverse-engineering and tampering attacks. Here's how to protect the source code of React.js apps.

November 10, 2020

by Pedro Fortuna

· 16,087 Views · 1 Like

How HashMap Works Internally in Java

Take a look at this article that explains how Hashmap works in Java, including how it calculates the index of a bucket and how other internals work.

Updated November 6, 2020

by Shubham Bansal

· 102,577 Views · 11 Likes

Effective Team Communication Tips for Agile Professionals in 2020

What is team communication? and how can you improve it? Here’s what agile professionals often overlook when they are actively engaged in project management.

November 5, 2020

by Fred Wilson

· 7,099 Views · 2 Likes

Enhanced DynamoDB Client — Java Abstraction Code

I have created a Helper code, which takes a java object and seamlessly executes the transaction onto DynamoDb.

November 5, 2020

by Gaurav Gupta

· 11,660 Views · 2 Likes

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