Coding Resources

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

· 69,637 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

· 18,935 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

· 74,133 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

· 24,773 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

· 17,404 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

· 7,219 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

· 8,239 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

· 12,832 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

· 16,074 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

· 102,487 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

· 7,078 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

· 11,632 Views · 2 Likes

TypeScript Testing Tips - Creating Dummies

We show a simple TypeScript pattern for building unit test dummies. We focus on simplicity so tests emphasize what's important and avoid incidental details.

November 5, 2020

by Eoin Mullan

· 11,014 Views · 3 Likes