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How to Make Different Types of JavaScript Lists? Four Examples with Webix

Sergey Laptick shows how to create web components to display data in the form of different types of lists using the Webix UI Library. From simple lists, to advanced, interactive lists, Laptick discusses the core concepts behind Webix lists and how to create your own, customized list implementations.

Sergey Laptick
on Mar 19, 2017
Architecture & Design

In Defence of the Monolith, Part 1

In the age of microservices, "monolith" has become a dirty word. Yet, monoliths, designed with an emphasis on modularity, can be a better solution for complex domains, such as enterprise applications. Part 1 of this 2-part series explores the key differences between microservices and monoliths, highlighting the pros and cons of each approach.

Dan Haywood
on Mar 16, 2017
AI, ML & Data Engineering

Big Data Processing Using Apache Spark - Part 6: Graph Data Analytics with Spark GraphX

In this article, author Srini Penchikala discusses Apache Spark GraphX library used for graph data processing and analytics. The article includes sample code for graph algorithms like PageRank, Connected Components and Triangle Counting.

Srini Penchikala
on Mar 14, 2017
Java

Troubleshooting Memory Issues in Java Applications

Troubleshooting Java memory problems can be tricky, but the right approach and proper tools can simplify things substantially. The JVM reports a variety of OutOfMemoryError messages. In this article we address how to read them, and we take a look at a wide range of tools we can use to eradicate them.

Poonam Parhar
on Mar 09, 2017
Web Development

Transcrypt: Anatomy of a Python to JavaScript Compiler

On the web front end, web development is one size fits all: JavaScript. The Transcrypt Python to JavaScript compiler is a relatively new open source project, aiming at executing Python 3.6 at JavaScript speed, with comparable file sizes. In this article, Jacques de Hooge talks about the requirements in building a transpiler and how Transcrypt is built to meet those demands.

Jacques de Hooge
on Mar 08, 2017
Development

Untangling an API-First Transformation at Scale. Lessons Learnt at PayPal – Part 3

This is the third in a three-part series that explores how PayPal has adopted a more API-first approach to building platform services. In this article, we’ll take a closer look at the program aspects and some of the execution and operational challenges that had to be overcome.

Erik Hogan Deepak Nadig
on Mar 03, 2017
Java

Testing RxJava2

You are ready to explore reactive opportunities in your code but you are wondering how to test out the reactive idiom in your codebase. In this article Java Champion Andres Almiray provides techniques and tools for testing RxJava2.

Andres Almiray
on Feb 28, 2017
Mobile

Processing Streaming Human Trajectories with WSO2 CEP

Extracting useful information from an inaccurate data stream is a significant issue in data stream processing for IoT applications. This article describes the use of Kalman filters to smooth human trajectory information gathered from an iBeacon sensor network and demonstrates its effectiveness. The solution has been built with WSO2 CEP, a complex event processing middleware.

Miyuru Dayarathna Ramindu De Silva
on Feb 27, 2017
Development

Untangling an API-first Transformation at Scale. Lessons Learnt at PayPal – Part 2

This is the second in a three-part series that explores how PayPal has adopted a more API-first approach to building platform services. In this article, we’ll take a closer look at how the portfolio of API’s themselves are managed.

Erik Hogan
on Feb 23, 2017
.NET

Introducing Prefix and Retrace : Interview with Stackify's Founder Matt Watson

Stackify was founded in 2012, making it a relatively new player in the field of Application Performance Management (APM) and code profilers. InfoQ reached out to Matt Watson, founder and CEO of Stackify, to learn more about its products Prefix and Retrace.

Pierre-Luc Maheu
on Feb 22, 2017
Java

Deterministic Execution on the JVM

For many use cases (for example cryptocurrency ledgers), we need to ensure that any action will execute deterministically and terminate. In this article, Ben Evans reviews the theory behind the WhitelistClassLoader.

Ben Evans
on Feb 21, 2017
Java

The Future of Java in the Enterprise - InfoQ’s Opinion

As part of ongoing work to review InfoQ’s editorial focus for the next year, we’ve been looking at the Java landscape in some detail. This article summarises our view of Java's role in the enterprise

Charles Humble
on Feb 20, 2017

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