JavaScript Resources

Using Swagger to Connect a Backend to an Angular Frontend

Learn how you can use Swagger to ease the creation of an Angular front-end based on an existing set of RESTful services- everyone wants to make their lives easier!

October 19, 2017

by Brian Fernandes

· 40,303 Views · 4 Likes

Join Semantics in Kafka Streams

Kafka Streams is a client library used for building applications and microservices. Learn about the three major types of joins that it offers.

October 18, 2017

by Himani Arora

· 32,797 Views · 8 Likes

String Manipulation - Substrings in Mule

In this tutorial, you will learn how to perform substring operations on string data in Mule flows, useful in API implementations, for example.

October 12, 2017

by Rakesh Kumar Jha

· 67,980 Views · 7 Likes

Simplifying Content Projection in Angular

In this post, we take a look at what 'content projection' is in Angular, how to demystify it, and how you can make use of it by way of an example.

October 12, 2017

by Dhananjay Kumar

· 38,294 Views · 10 Likes

Developing a Web Application Using Angular (Part 2)

In Part 2 of our code-along series with Angular, we will take a look at developing the architecture for our web application.

October 9, 2017

by Justin Albano

CORE

· 23,209 Views · 15 Likes

Developing a Web Application Using Angular (Part 1)

In the first article of this series, we take a look at UI and UX, and why they matter, and show the commands you need to get Angular up and running.

October 6, 2017

by Justin Albano

CORE

· 70,276 Views · 44 Likes

Write Automated Tests for Electron With Spectron, Mocha, and Chai

Automated testing is a key part of any truly Agile environment. We take a look at how to use these technologies to achieve testing excellence.

October 4, 2017

by Dr. Matthias Sommer

· 28,747 Views · 2 Likes

A Clarified String Formatting Cheatsheet

This collection of hints, tips, and tricks will ensure your Strings are formatted just how you want them. Keep it bookmarked for when you need it.

September 22, 2017

by Alex Theedom

· 57,634 Views · 19 Likes

Enum: Using the Name() and toString() Methods Correctly

With Java Enums, there are two similar, but different methods that are commonly used: name() and toString(). Learn the difference and when to use both for best results.

September 21, 2017

by Alex Theedom

· 219,664 Views · 12 Likes

Testing Time-Based Reactor Core Streams With Virtual Time

Take a look at Reactor Core's virtual time-based scheduler and the StepVerifier class to see how you can use them for time-based testing.

September 21, 2017

by Biju Kunjummen

· 12,359 Views · 3 Likes

File Upload Using AngularJS and Spring

In this article, we discuss how to use these two popular frameworks to pull in data from an external source and use it to populate the backend of our web app.

September 19, 2017

by Vishal Srinivasan

· 32,009 Views · 8 Likes

Maintaining PriorityQueue Order With Java Streams

The priority order of a PriorityQueue is not preserved when iterating or traversing, but fortunately, there are clean solutions for achieving this.

September 18, 2017

by Grzegorz Piwowarek

· 9,467 Views · 5 Likes

How to Build Amazing User Interfaces With React

If you're looking for some great tools or libraries to use alongside React.js, read on for a discussion of great open source resources for building UIs.

September 15, 2017

by Jelena Cekic

· 36,193 Views · 4 Likes

RxJava: Idiomatic Concurrency — flatMap() vs. parallel()

When it comes to concurrent programming using the RxJava library, here's a breakdown of flatMap() and parallel() and some guidance as to which is the most helpful.

September 15, 2017

by Tomasz Nurkiewicz

CORE

· 35,327 Views · 16 Likes

The Need for Speed: Access Existing Data 1,000x Faster

Learn how you can speed up your analytics database applications by a factor of 1,000 by using standard Java 8 streams and Speedment's In-JVM-Memory accelerator.

September 15, 2017

by Per-Åke Minborg

· 8,055 Views · 7 Likes

Global Exception Handling With @ControllerAdvice

Centralize your error handling logic in spring by using the @ControllerAdvice annotation. Reduce duplicate code and keep your code clean!

September 13, 2017

by Dan Newton

· 268,978 Views · 15 Likes

How to Sort Number Strings Numerically

In a recent talk, I told a community of mathematicians that nearly arbitrary data can *easily* be stored in a JSON-based document store. I should've known better...

September 11, 2017

by Max Neunhoeffer

· 18,000 Views · 6 Likes