Latest Articles

This quick reference collects many Dataweave functions for MuleSoft in one place, like reversing strings and flattening and trimming a payload.

June 6, 2017

by Satheesh Kumar

· 84,675 Views · 9 Likes

Unit Testing: The Myth of Complete Isolation

The notion that unit tests should be performed in complete isolation is a myth. We should use isolation to our advantage, wherever it makes our tests more manageable.

June 6, 2017

by Grzegorz Ziemoński

· 15,913 Views · 12 Likes

Merge Databases With Different Schema and Duplicate Entries

Removing duplicate entries from merged database tables can be anything but routine — and the source of performance woes.

June 6, 2017

by Darren Perucci

· 11,784 Views · 2 Likes

What's Wrong With Hashcode in java.lang.String?

This overview of strings and hashcode covers how hashcode works, how collisions happen, and the danger of improperly using strings as keys.

June 6, 2017

by Artem Rukavytsia

· 59,677 Views · 35 Likes

Resolving the Failure Issue of NameNode

NameNode is a single point of failure for the HDFS cluster. In this article, learn how to resolve the failure issue of NameNode.

June 6, 2017

by Shubhra Sharma

· 9,320 Views · 1 Like

Using Python to Store Data From Many BLE Devices

We take a look at how to collect and store data from several BLE devices, a necessary issue to deal with considering the built-in limitations of BLE networking.

June 6, 2017

by Erich Styger

· 24,259 Views · 1 Like

Deploying to Tomcat from Octopus Deploy

The Octopus Deploy team has been working on improving Java support, so let's see what it takes to deploy a package from Octopus Deploy to Tomcat.

June 6, 2017

by Matthew Casperson

· 9,572 Views · 3 Likes

Creating an Online Spreadsheet Application

Looking to make a spreadsheet web application for your team to chart their work? Read on to learn how to do just that using the open-source framework, Webix.

June 6, 2017

by Ivan Petrenko

· 12,663 Views · 7 Likes

All About the Singleton

This dive into the Singleton design pattern covers the many ways it can be implemented, a few roadblocks to avoid, and some handy use cases to keep in mind.

June 6, 2017

by Vishnu Garg

· 41,408 Views · 52 Likes

Simple Attribute-Based Access Control With Spring Security

Have you ever worked on software where the access rules are based not only on user's role but also on the specific entity that role was granted? You will probably find Attribute-Based Access Control very useful — this article will tell you how.

Updated June 5, 2017

by Mostafa Eltaher

· 130,538 Views · 45 Likes

Building Dynamic React Apps With Database Data

In this post, we go over using an API server to create a REST API for a SQLite database, and how to create a React app that can use this database.

Updated June 5, 2017

by Jerod Johnson

· 122,570 Views · 7 Likes

Getting Started With MonoGame Using XML

Want to start making some video games? Learn how to use XML with the MonoGame framework and get started. Read on for more!

June 5, 2017

by Simon Jackson

· 8,859 Views · 1 Like

7 Simple Techniques to Achieve Security With Tranquillity

Read on for some common sense security compliance tips that will help to keep your enterprise network safe from internal threats and cyberattacks.

June 5, 2017

by Giridhara Raam

· 4,280 Views · 2 Likes

Ultra-Fast OLAP Analytics With Apache Hive and Druid (Part 1)

Druid is a high-performance, column-oriented, distributed data store. Learn how it's great for low-latency analytics and why you should integrate it with Apache Hive.

June 5, 2017

by Carter Shanklin

· 17,069 Views · 11 Likes

How to Do Simple Geofencing With PostGIS

This tutorial will explain how geofencing works and show you how to implement it in a mobile app for functions like finding your current location.

June 5, 2017

by Adetola Adewodu

· 15,166 Views · 5 Likes

Running Parallel Tests in Docker

If you try to run parallel tests in Docker, you may get an error from conflicting container names. Here's how to avoid that.

June 5, 2017

by Alex Soto

· 15,316 Views · 1 Like

Turkcell (ICT-Business Operations) Agile Transformation Story

Going Agile is never an easy process, as this company can attest to. Read on to get their story, and see how they overcame impediments to their transformation.

June 5, 2017

by BUSE ÖZEN ÖZGÜR

· 4,053 Views · 4 Likes

MSSQL: Finding Weekend Days in Month

Although it is usually a good idea to use calendar tables that we can fill automatically, it is not always an option. Here's how to deal with that.

June 5, 2017

by Gunnar Peipman

· 13,910 Views · 2 Likes

5 Java Performance Optimization Tricks

Some Java performance optimization tricks include starting with minimum heap allocation, using a StringBuilder instead of the + operator, and avoiding Iterator.

June 4, 2017

by Joydeep Bhattacharya

CORE

· 55,267 Views · 3 Likes

The Pros and Cons of AWS Lambda

If you're considering getting your feet wet with serverless, be mindful that while AWS Lambda has plenty of benefits, you lose some control and call simplicity as well.

June 4, 2017

by Matt Billock

· 46,075 Views · 15 Likes

Latest Articles - DZone