Data Resources

Avoiding NullPointerException

In this article, we'll explore the main techniques to fight it: the self-validating model and the Optional wrapper.

December 17, 2020

by Victor Rentea

· 11,133 Views · 4 Likes

Development of the Open-Source Telegram Bot for MQTT IoT

Experience of development a flexible and an easy-to-configure for your needs open-source MQTT client Telegram bot.

December 17, 2020

by Anatoliy Bezgubenko

· 15,656 Views · 3 Likes

HTTP Deep-Dive With Ballerina: Client Communication

This article contains an in-depth journey of HTTP communication features using the Ballerina programming language.

December 17, 2020

by Anjana Fernando

· 5,621 Views · 3 Likes

Tracking the Worst Sci-Fi Movies With Angular and Slash GraphQL

A Slash GraphQL service instance contains everything needed to provide data to an Angular app. Let’s make a fun demonstration using some of the worst movies of all time!

December 15, 2020

by John Vester

CORE

· 82,770 Views · 9 Likes

In-house Tool for Performance Testing

This article analyzes a way to create a simple tool, which can serve data conditioning testing or performance testing of mobile, web, or desktop applications.

December 14, 2020

by Sudhish koloth

· 5,651 Views · 3 Likes

The Principles of Planning and Implementing Microservices

See the trees for the forest. Get practical and actionable insights into what you need to know to plan and implement microservices effectively.

Updated December 14, 2020

by Lior Shalom

CORE

· 16,768 Views · 23 Likes

ArrayList or LinkedList?

Learn everything you need to know to choose your sequential data structure.

Updated December 14, 2020

by Tarun Telang

· 39,815 Views · 13 Likes

Java in Mule for Java Programmers

You have been a Java programmer for many years now and you want to re-use your technical skills and knowledge in Mule applications.

December 10, 2020

by Sebastien Colas

· 11,248 Views · 1 Like

Strategies for Improving the Performance of Applications Using EF Core

In this article, take a look at some strategies for improving the performance of applications using EF Core.

December 10, 2020

by Joydip Kanjilal

CORE

· 6,385 Views · 3 Likes

How to Keep Elasticsearch in Sync with Relational Databases?

Hibernate Search is a library that allows keeping your local Lucene indexes or ElasticSearch cluster in sync with your database

December 8, 2020

by Hüseyin Akdoğan

CORE

· 9,566 Views · 3 Likes

'mapPartitions' in Apache Spark: 5 Key Benefits

'mapPartitions' is a powerful transformation giving Spark programmers the flexibility to process partitions as a whole by writing custom logic on lines of single-threaded programming. This article highlights the 5 key benefits of 'mapPartitions'.

December 8, 2020

by Ajay Gupta

· 9,699 Views · 1 Like

How to Create Data Lineage With the Tableau GraphQL Metadata API

Tableau has a rich metadata API exposed through a GraphQL interface that you can use to extract your data lineage.

December 8, 2020

by Grant Seward

· 9,972 Views · 2 Likes

Implementing Locks in a Distributed Environment

Getting started with lock implementation in a distributed environment, using services such as Kafka, Cassandra, Transformer, and Rules Engine.

December 7, 2020

by Prasanth Gullapalli

· 11,780 Views · 16 Likes

Difference Between Update Function and Update Operator in Dataweave

The new Update function of Dataweave is beneficial to update an object. Below are some of the useful ways to use the update function.

December 7, 2020

by Radhika A

· 13,900 Views · 1 Like

HarperDB vs MongoDB vs PostgreSQL

The point of this article is not to determine which database is the best, but to help uncover the factors to consider when selecting a database for your specific project.

December 4, 2020

by Margo McCabe

· 33,820 Views · 18 Likes