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Tomasz Nurkiewicz11/04/13
4549 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.

Vlad Mihalcea11/04/13
4896 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.

Konrad Garus11/04/13
4523 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
3177 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:

Emanuele Minotto11/02/13
2579 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?

Dattatreya Shekar11/02/13
5950 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.

Comsysto Gmbh11/02/13
4474 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
7343 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
4300 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
10084 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
9217 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
4702 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
5345 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
2455 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?

James Carr10/31/13
5337 views
0 replies

Securing Docker’s Remote API

The Remote API that can be used to programatically interact with docker. I recently had a situation where I wanted to run many containers on a host with a single container managing the other containers through the API.

Amit Saha10/31/13
3012 views
0 replies

Writing Git Hooks Using Python

Since git hooks can be any executable script with an appropriate #! line, Python is more than suitable for writing your git hooks. Simply stated, git hooks are scripts which are called at different points of time in the life cycle of working with your git repository.

Allen Coin10/31/13
6494 views
0 replies

DZone is Hiring Java Devs

We're very proud to have one of the largest and most active communities of Java developers in the world, so of course when we decided to grow our team of Java developers we knew to look to Javalobby first.

Lukas Eder10/30/13
4997 views
0 replies

CUBRID: A Lesser-Known Korean OSS Database Gem

While RedHat and Google have been dumping MySQL for MariaDB, there’s actually a third, much lesser-known option for MySQL-oriented database folks in the RDBMS market: CUBRID.

Allen Coin10/30/13
12242 views
0 replies

Dev of the Week: Sean Hull

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community to catch up and find out what he or she is working on now and what's coming next. This week we're talking to Sean Hull, author, speaker, and web performance and scalability expert.

Kristina Chodorow10/30/13
3887 views
0 replies

The Joy of Programming

Last weekend I volunteered at Black Girls Code, an organization that encourages black girls to enter STEM fields. I was a teaching assistant for the “Build a Webpage in a Day” workshop. The problem is, HTML isn’t very interesting. If I had to redesign this, I would have started with JavaScript

Steven Lott10/30/13
5771 views
0 replies

A Very Silly Question: When to choose Python over Java and vice versa?

The correct answer is: It doesn't datter. In spite of this, (A) The question gets asked. And worse, (B) it gets answered. And people take their answers seriously. As if there are Profound Differences among programming languages.

Mahdi Yusuf10/29/13
16038 views
0 replies

Good Clean Python Install on Mavericks OSX 10.9 8

I just spent the better part of an hour trying to effectively install a version of python that doesn’t affect the rest of my system. So many guides will tell you to do simply use system python which comes with easy_install and install pip with sudo. Don’t do this, For many reasons.

Tomasz Nurkiewicz10/29/13
9234 views
0 replies

Brainfuck in Clojure. Part I: interpreter

Writing a Brainfuck interpreter is fun, in contrary to actually using this "language." The syntax is dead simple and semantics are rather clear. Thus writing such interpreter is a good candidate for Kata session, TDD practice, etc.

Paul Reed10/29/13
4783 views
0 replies

To Be Continued: Release Engineering Tools at Netflix

It is fitting that our first episode to be split into a TV-esque cliffhanger is with our Netflix panel! In part two, we discuss with the panel the dynamics of how Netflix develops its release engineering tools, configuration management vs. baked potatoes, plus the panel’s guilty (and possibly embarrassing) Netflix pleasures

Kin Lane10/29/13
6279 views
0 replies

Transparency Is Not Just About Github, Crowdsourcing, Open Source And Open APIs

What I mean by transparency is about letting the sunlight in to your overall operations, by default. In the case of Healthcare.gov, one of the numerous contractors applied this on front-end development, but the entire rest of the supply chain did not.