DevOps Zone is brought to you in partnership with:
  • submit to reddit
Peter Lawrey09/16/14
4306 views
0 replies

Lambdas and Side Effects

Java 8 has added features such as lambdas and type inference. This makes the language less verbose and cleaner, however it comes with more side effects as you don't have to be as explicit in what you are doing.

Julien Danjou09/16/14
7336 views
0 replies

Python Bad Practice: A Concrete Case

A lot of people read up on good Python practice, and there's plenty of information about that on the Internet. Today I'd like to show a concrete case of code that I don't consider being the state of the art.

Mateusz Haligowski09/16/14
6008 views
0 replies

A new way of extracting values in AssertJ collections assertions

The old extracting function in AssertJ utilized reflections and did not allow the arbitrary extractions. The new approach addresses the issues.

Trevor Parsons09/16/14
3482 views
0 replies

The Pros and Cons of Open Source Logging

At a recent DevOps convention, I learned some of the biggest challenges facing log management for developers. I've compiled some pros and cons for open-source logging solutions.

Istvan Forgacs09/16/14
3485 views
0 replies

Debugging Step by Step - Comparison Debugging

Comparison debugging is an efficient active debugging method by which non-reproducible and similar bugs can be found easily. In this article we describe the method and its usage, then demonstrate it by applying a simple, well-known example.

Lukas Eder09/16/14
3693 views
4 replies

This is the Final Discussion!

Pun intended… Let’s discuss Java final.

Alec Noller09/15/14
3368 views
0 replies

Introducing DZone's Latest Checklist: Class Design

This week, DZone released its latest Checklist: Class Design. This is the third entry in our Checklist series, so be sure to check out our previous releases - Unit Testing and Test-Driven Development - as well!

Steven Lott09/15/14
3861 views
2 replies

API Testing: Quick, Dirty, and Automated

When writing RESTful API's, the process of testing can be simple or kind of hideous. Some test scripting is possible in Postman. Some. In Python, you've got a complete programming language. The "some" qualifier evaporates.

Eyal Golan09/13/14
6102 views
0 replies

JUnit Rules

In this post I would like to show an example of how to use JUnit Rule to make testing easier.

Curtis Lassam09/13/14
2160 views
0 replies

Cube Drone #4: Poom

From software developer Curtis Lassam (who writes about comics and code) comes a comic series called Cube Drone. This is Cube Drone #4: Poom.

Jeremiah Orr09/13/14
3579 views
0 replies

Yes, You CAN Unit Test Client Side Code

When developers think about unit testing web applications, we often focus on server-side code. But with the right tools and programming techniques, we can achieve the same rigorous test quality in our client code that we expect from our server code.

Rob Galanakis09/12/14
4139 views
0 replies

Metaprogramming With the Type Function

I use Python’s 'type' function for dynamically creating custom Maya nodes based on specifications, such as input and output attributes. I really love the 'type' function, so I thought I’d post another cool use of it.

Moritz Plassnig09/12/14
1584 views
0 replies

Continuous Deployment of DNS Records with DNSimple

At Codeship we always look into new ways how we can leverage Codeship to automate our workflows. A while ago we started Continuous Deployment of our DNS records.

Denis Goodwin09/11/14
1760 views
0 replies

User Experience Is Bigger Than Data

Fragmented approaches to APM are being promoted as solutions to support the DevOps ideal of continuous integration and delivery, but the stark lack of integrated tools in these APM arsenals isn’t likely to make communication and collaboration between dev and ops any easier or more efficient.

Quinten De Swaef09/10/14
14648 views
0 replies

Event driven programming using Spring Boot and Reactor

This article will teach you how you can setup an environment to develop in an event-driven fashion using Spring Boot and the Reactor framework.

Aleksey Novik09/10/14
3395 views
2 replies

How JSF Works and how to Debug it - is Polyglot an Alternative?

JSF is not what we often think it is. It's also a framework that can be somewhat tricky to debug, especially when first encountered. Let's go over on why that is and provide some JSF debugging techniques.

Wille Faler09/09/14
3729 views
0 replies

How Ansible and Docker Fit: Using Ansible to Bootstrap and Coordinate Docker Containers

There are a lot of exciting tools in the infrastructure and visualization space that have emerged in the last couple of years. Ansible and Docker are probably two of the most exciting ones in my opinion. This is my take on where Docker and Ansible is and isn't useful.

Vijay Narayanan09/09/14
2846 views
0 replies

Targeting Quick Wins And Sustaining Momentum

Systematic reuse initiatives don’t have to be big-bang events preceded by a lot of noise. It can be done quietly – project by project with a resolute focus on getting targeted wins

Craig Flichel09/09/14
2619 views
0 replies

Developing a Reusable File: Cleanup Schedulable Job

In my last post, I delivered on a reusable, file archival schedulable job. I promised to next look at doing something similar for file cleanup.

Istvan Forgacs09/09/14
5144 views
0 replies

Debugging Step by Step - Active and Passive Debugging

Debugging methods can be categorized as active and passive. Active debuggers reduce the code size to be visited for bug hunting, while passive debuggers display any information you need. We introduce some new active methods. We also show how the usage of active debuggers helps you to debug more efficiently.

Ayende Rahien09/08/14
2756 views
0 replies

Troubleshooting, When F5 Debugging Can’t Help You

You might have noticed that we have been doing a lot of work on the operational side of things. To make sure that we give you as good a story as possible with regards to the care & feeding of RavenDB. This post is about your applications and systems, and how you are going to react when !@)(*#!@(* happens.

Kapil Viren Ahuja09/08/14
7598 views
1 replies

High Availability Design

If you fail to articulate to the clients what these numbers will mean to them in terms of cost, you wont ever get them accept the reality of internet and the universe. More often than not you will realize how business will realize that there are services they can live without.

Craig Flichel09/07/14
4112 views
0 replies

Developing a Reusable File: Archival Schedulable Job

DevOps and full-stack have been popular topics in our industry for a number of years now. Unfortunately, they don’t always mean the same thing to every organization or even individuals within an organization.

Robert Diana09/06/14
6483 views
0 replies

Geek Reading September 5, 2014

I have talked about human filters and my plan for digital curation. These items are the fruits of those ideas, the items I deemed worthy from my daily reading. These items are a combination of tech business news, development news and programming tools and techniques.

Trevor Parsons09/05/14
5982 views
0 replies

How to Find and Solve Your Application Bottlenecks

Here’s a familiar scene: You’ve finished developing your application or a neat new feature and you’ve created the right system logs for new capabilities. You’re confident that if something breaks, you can easily spot the errors and overcome them efficiently.