DevOps Zone is brought to you in partnership with:
  • submit to reddit
Lukas Eder11/07/13
21277 views
15 replies

The Code That Made Me Cry

A friend of mine recently told me about the kind of problems he’s currently struggling with in the legacy application he’s maintaining. Here’s a sample piece of code to illustrate what I’m talking about:

Jim Hirschauer11/07/13
3678 views
0 replies

DevOps Is No Replacement for Ops

DevOps is still misunderstood and has tremendous room for greater adoption still but let’s be clear about one very important thing: DevOps is not a replacement for operations!

S M Sohan11/07/13
4607 views
1 replies

Configure Me Not

Configuration in software provides a method to build systems that can adapt to different configurations. Configuration makes it possible to deliver such features without needing a change log in the application source code.

Justin Calleja11/06/13
7050 views
0 replies

Data Access Module using Groovy with Spock testing

This blog is more of a tutorial where we describe the development of a simple data access module, more for fun and learning than anything else. All code can be found here for those who don’t want to type along.

Patrik Antonsson11/06/13
6356 views
0 replies

Creating Development Environments with Vagrant

The reviewer has been using Vagrant for a couple of years now, and believes that this is a good book for beginners. The book goes through most of the things you need to know to get your environment up and running.

Paul Hammant11/06/13
3500 views
0 replies

Snap's New Branchable Continuous Integration (CI)

ThoughtWorks Studios have just released a version of Snap-CI (last night) that automatically commissions pipelines if a branch is pushed up into GitHub.

A. Jesse Jiryu Davis11/05/13
4496 views
1 replies

Day Of The Thread

If you think you’ve found a bug in Python, what’s next? I'll guide you through the process of submitting a patch, so you can avoid its pitfalls and find the shortest route to becoming a Python contributor!

Alan Sharp-paul11/05/13
2562 views
0 replies

It's Time We Talked About DevOps

There's a certain something in the air within the DevOps community right now. The movement is, to a certain extent, becoming a victim of its own success. For where there is buzz in tech, there is money. And where there is money, there are recruiters, there is marketing, there are misinformed and over-simplified tech articles and, let's face it, there are carpetbaggers galore.

Chase Seibert11/05/13
3392 views
0 replies

Hacking Django Runserver to Run Multiple Django Instances

Recently at work we’ve been on a “servicifying” kick, meaning we’re slowly converting our monolithic Django app into separate services. To start, this just means breaking up the existing runtime into pieces. Instead of one logical web process, we now have different ones for the web app, admin, login, apis, etc.

Erich Styger11/05/13
9117 views
0 replies

Show Heap Status in Eclipse

Wondering how much heap is used by Eclipse? Using the menu Window > Preferences there is a setting I can enable: “Show heap status“. With this, I see the current status of the heap in the lower right corner of Eclipse: The currently used amount of heap and the maximum of heap allocated.

Abraham Otero11/04/13
20064 views
3 replies

Quality Levels: the Hole in Software Methodologies

Not all software we develop requires the same quality. It is not the same to develop software that will run only once, and will never need to be changed, that software that is expected to be used for years

Vlad Mihalcea11/04/13
4945 views
2 replies

Open-minded Architect

As an architect you always have to stay open-minded, and be objective of any technology you happen to love.

Tomasz Nurkiewicz11/04/13
4605 views
0 replies

Brainfuck in Clojure. Part II: Compiler

Last time we developed brainfuck interpreter in Clojure. This time we will write a compiler. Compilation has two advantages over interpretation: the resulting program tends to be faster and source program is lost/obscured in binary.

Konrad Garus11/03/13
4571 views
0 replies

Clojure on Pedestal

Yesterday I gave a two-hour talk at Lambda Lounge Kraków on Pedestal (and some ClojureScript).

Allen Coin11/03/13
3209 views
0 replies

Best of the Week (Nov. 3): DevOps Zone

Think you may have missed some top DevOps posts this week? Here are the Best of the Week from the DevOps Zone:

Dattatreya Shekar11/02/13
6015 views
0 replies

DevOps' Role in Troubleshooting JVM Issues

n this article, would like to share how a DevOps team can engage themselves proactively in analyzing the Java Applications.The running Java Applications can be profiled using appropriate tool to determine the memory consumption/usage of application along with observing the top most consumers of memory/CPU.

Emanuele Minotto11/02/13
2658 views
0 replies

Service Injection in Doctrine DBAL Type

When you think of a Doctrine 2 DBAL Type you think of an atomic thing, but how can you work programmatically on this type without defining an event?

Comsysto Gmbh11/02/13
4502 views
0 replies

Free Wicket Guide

Our lean Java Expert Andrea Del Bene has written an excellent user guide about theApache Wicket web framework

Zemian Deng11/02/13
7503 views
0 replies

Exploring Spring Controller with Spring Form Tag

I have shown you how to process an plain HTML form with Spring controller. But a more powerful way to process form is to use Spring’s @ModelAttribute and its spring:form tags.

Peter Pilgrim11/01/13
4341 views
0 replies

Reprise CON4279 Test-Driven Development with Java EE 7 Talk

At last, I have the October screencast, as I promised weeks ago whilst in the USA. This is a reprisal of my JavaOne 2013 talk, which was called Test-Driven Development with Java EE 7, Arquillian and Enterprise Containers.

Roger Hughes11/01/13
10601 views
0 replies

Getting Started with Hazelcast

It seems that the Hazelcast Guys have solved the problem of JVM talking to each other

Carlos Sanchez11/01/13
9404 views
0 replies

Infrastructure Testing with Jenkins, Puppet and Vagrant at Agile Testing Days

This week I’m in Postdam/Berlin giving a talk Infrastructure testing with Jenkins, Puppet and Vagrant at Agile Testing Days. Showing examples of using Puppet, Vagrant and other tools to implement a source code to production continuous delivery cycle.

Sean Hull11/01/13
4763 views
0 replies

Why Startups Need TechOps

In a lot of small startups, the initial phase is obviously on building a product. That’s the build phase, and not surprisingly you hire a lot of developers. As you should. But as you grow you may find the operational tasks that are defaulting to one or more developers are taking more and more of their time.

Anders Abel11/01/13
5410 views
0 replies

Changing SVN Servers

I recently helped a team to switch SVN servers and found a few gotchas along the way. This is a short guide on what worked for me and some stuff I tried that didn’t.

Mike Driscoll11/01/13
2510 views
0 replies

Python: Bad Code of the Day (Oct 30th, 2013 Ed)

I’m leaving the “bad” code in the example above to show that the result is the same. Yes, it’s still a little ugly, but it’s much easier to follow and the code is self-documenting. What funky code have you written lately?