Language Resources

DataWeave Interview Question: Concatenate Elements of an Array

This article will help you practice your DataWeave skills in MuleSoft. We're going to use two different approaches to concatenate an array of letters.

Updated March 6, 2021

by Gaurav Dubey

· 8,929 Views · 1 Like

DataWeave: The mapObject Function

The mapObject DataWeave function transform data contained in an object. It iterates over each key/value pair, applies a transformation to each key, and outputs an object.

March 6, 2021

by Alex Theedom

· 4,956 Views · 3 Likes

Gradle Goodness: Enabling Preview Features For Java

Check out how to enable and play with preview Java features in Gradle.

March 5, 2021

by Hubert Klein Ikkink

· 9,796 Views · 2 Likes

Apache Cassandra Horizontal Scalability for Java Applications [Book]

Get to know how to use Cassandra with Java, the applicability with Cassandra, and several Java Frameworks such as Hibernate, Spring, Quarkus, Jakarta EE, and so on.

March 4, 2021

by Otavio Santana

CORE

· 8,964 Views · 4 Likes

Deadlock-Free Synchronization in Java

Here, we look at the origin of deadlocks, consider a method for discovering deadlocks in existing code, and learn how to design a deadlock-free synchronization.

March 4, 2021

by Sergey Samokhodkin

· 17,211 Views · 9 Likes

Migrating COBOL Batch to Spring Batch

Bulk data processing usually performs asynchronous due to the transitional engine capabilities. Batch processing is suitable for optimizing the execution of high-volume repetitive tasks.

March 4, 2021

by Ravi Kiran Mallidi

CORE

· 8,550 Views · 3 Likes

The Materialized Path Technique: Tree Structures for Relational Database Systems

Create three-dimensional tree structures in a relational database system using materialized paths.

March 3, 2021

by Thomas Hansen

CORE

· 31,146 Views · 4 Likes

Building a Microservice in Perl (Part 1): Designing the API

A brief description of microservices, then jumping into defining one with OpenAPI.

Updated March 2, 2021

by Mark Gardner

CORE

· 4,474 Views · 6 Likes

How To Handle 100k Rows Decision Table in Drools (Part 3)

In this article, I created a prototype to demonstrate how to handle large rows in a decision table with reasonable performance. This is part 3 of the series.

March 2, 2021

by Ryan ZhangCheng

· 7,635 Views · 5 Likes

SKP's Algorithms and Data Structures #9: Java Problem: Monkeys in the Garden

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Monkeys in the Garden] Problem from Techgig.

February 28, 2021

by Sumith Puri

· 4,526 Views · 3 Likes

SKP's Algorithms and Data Structures #6: Java Problem: Active Traders

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Active Traders] Problem from Hacker Rank.

February 28, 2021

by Sumith Puri

· 8,303 Views · 3 Likes

SKP's Algorithms and Data Structures #5: Java Problem: Changes in Usernames

This Article Series Focuses on Algorithms, Data Structures, or Applying them to Problem Solving. In this Article, We Discuss the Solution to [Usernames Changes] Problem from Hacker Rank.

February 28, 2021

by Sumith Puri

· 6,754 Views · 3 Likes

How to Send/Receive Product Object To/From Queue (Spring + JMS + ActiveMQ Example with Annotations) [Video]

Got 10 minutes? Then check out this video about have to send and receive product objects both to and from queue, with an example including Spring, JMS, and ActiveMQ.

February 28, 2021

by Ram N

· 3,848 Views · 4 Likes

TDD Typescript NestJS API Layers with Jest Part 3: Repository Unit Test

This is a 3 part series for unit testing the controller, service, and repository layers in a typical REST architecture. The final part shows testing the Repository Unit.

February 28, 2021

by Dale Waterworth

· 15,551 Views · 2 Likes

PySimpleGUI: How to Draw Shapes on an Image With a GUI

Let's add some flair to that image.

February 27, 2021

by Mike Driscoll

· 10,003 Views · 2 Likes

How to Use Spring Boot and JHipster With Reactive Java Microservices

Learn how to create a reactive microservices architecture with Spring Boot, Spring Cloud Gateway, Spring Cloud Config, Spring WebFlux, Java, and JHipster.

February 26, 2021

by Matt Raible

· 5,225 Views · 6 Likes

TDD Typescript NestJS API Layers with Jest Part 1: Controller Unit Test

This is a 3 part series for unit testing the controller, service, and repository layers in a typical REST architecture. This part will test the Controller Unit.

February 26, 2021

by Dale Waterworth

· 22,239 Views · 2 Likes

Load and Compile Dynamical HTML in AngularJS

We have to load HTML content with CSS from the backend dynamically and compile it in an Angular application. We also need to support Angular directives defined in HTML.

February 26, 2021

by Eason YIN

· 9,389 Views · 2 Likes

Lane Detection With OpenCV (Part 2)

In this article, featuring part 2 of 2, we will see how to detect straight lanes in a road using OpenCV and discuss how to eventually extend it for turns.

February 24, 2021

by Luca Venturi

· 4,018 Views · 2 Likes

Get or Set PDF Metadata in Java

If you mold the metadata of your PDFs to allow for SEO optimization via keywords, you will be able to increase the online searchability of your document.

February 24, 2021

by Brian O'Neill

CORE

· 4,495 Views · 2 Likes

The Latest Languages Topics