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Ross Mason07/23/14
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The Real World Cup Winner: APIs

What actually went behind the scenes of this whole experience was an API infrastructure that allowed media entities to expose their digital assets and stream live media over end user devices. There were countless mobile apps that were consuming APIs and even more digital assets behind those APIs.

Kon Soulianidis07/23/14
4308 views
0 replies

Swift from an Objective-C Developer’s Perspective

After the most recent WWDC, most iOS developers aren’t talking about cool new iOS 8 features or APIs. Instead, they’re talking about a whole new language: Swift.

Borislav Iordanov07/23/14
6025 views
0 replies

Why is the Fundamental Theorem of Software Engineering Fundamental?

So you can see where I'm heading with the question posed at the title of this post. It is the reference resolution that is fundamental an indirection is simply what we do to (re)define what that resolution process ultimately looks like.

Benjamin Ball07/23/14
5930 views
0 replies

There's a Bot on Twitter That Sells OpenStack Instances for Bitcoin

A developer over at StackMonkey wrote a bot that sells instances of his OpenStack cluster for Bitcoin, and the Twitter user @obitcoin is using it on Twitter. Truly we live in a frightening but awfully convenient digital age, made more convenient by devs like Kord Campbell, the developer in question.

Marcin Zajączkowski07/23/14
4135 views
0 replies

Null Object Pattern Implementation in Groovy

Quite common real life problem. Simple map based configuration. How to handle gracefully a situation when a given key is not supported? See how Groovy can simplify the implementation.

Alec Noller07/23/14
2333 views
0 replies

Redis Commands Visualized: One Good-Lookin' Database

For no particular reason at all, Redis Labs' Itamar Haber took a D3.js swing at the bulk of Redis' 160-ish commands, creating an interactive visualization of the lot of them - in Redis colors, of course. The end result is useful, but more importantly, it looks pretty cool.

Florian Motlik07/23/14
3883 views
0 replies

Why You Should Build an Immutable Infrastructure

Immutable components as part of your infrastructure are a way to reduce inconsistency in your infrastructure and improve the trust into your deployment process. Atomic deployments, combined with validation of the image and easy rollback, make managing your infrastructure a lot easier.

Tom O'connor07/23/14
5031 views
0 replies

Part 1: Getting Started with Ansible

Why Ansible? It’s agentless. Unlike Puppet, Chef, Salt, etc.. Ansible operates only over SSH (or optionally ZeroMQ), so there’s none of that crap PKI that you have to deal with using Puppet. It’s self-documenting, with simple YAML files describing the playbooks and roles. It’s feature-rich.

Sony Arouje07/23/14
2957 views
0 replies

Pi Tracker–Code Running in Raspberry Pi

Pi Tracker uses two motors to drive, Engine.py controls these two motors. As you can see in the code Engine.py creates two Motor instance. It also has functions to steer the tracker in different directions.

Hamid Shojaee07/23/14
3029 views
1 replies

Scrum and Quantum Physics

Since Scrum is an iterative process, you can have great success by focusing on things that you can say with a fair degree of confidence, while still allowing for some uncertainty in all planning and estimates.

Ayende Rahien07/23/14
4019 views
0 replies

Avoid where in a reduce clause

We got a customer question about a map/reduce index that produced the wrong results. The problem was a problem between the conceptual model and the actual model of how Map/Reduce actually works.

Andrew Pielage07/23/14
4078 views
0 replies

What's New in Oracle SOA Suite 12c?

A quick overview of some of the features available in the new SOA Suite offering. As I mentioned near the beginning of this blog, there are many more features and improvements that were implemented in this release, such as the new templates, new on-premise adapters, and native XSD enhancements.

Mike Croft07/23/14
4421 views
0 replies

Creating a Simple Cluster with GlassFish

In this post, I’ll go through the first steps of getting Glassfish installed and clustered with Apache to proxy requests. All this will be set up using one CentOS and one Fedora instance, but the steps should require little to no tweaking for other Linux platforms.

Mark Needham07/23/14
2266 views
0 replies

Neo4j: LOAD CSV - Processing Hidden Arrays in Your CSV Documents

I was recently asked how to process an ‘array’ of values inside a column in a CSV file using Neo4j’s LOAD CSV tool and although I initially thought this wouldn’t be possible as every cell is treated as a String, Michael showed me a way of working around this which I thought was pretty neat.

Peter Zaitsev07/23/14
2242 views
0 replies

A Schema Change Inconsistency with Galera Cluster for MySQL

I recently worked on a case where one node of a Galera cluster had its schema desynchronized with the other nodes. And that was although Total Order Isolation method was in effect to perform the schema changes. Let’s see what happened.