Puppet and Chef are two buzzwords these days but do you know what it is exactly? Puppet 3 Starter goal is to explain you what is the first one and how to use it.
BDD is a great way to write tests and cucumber probably the framework having made it possible. "Instant Cucumber BDD How to" is about it!
The one simple way code is like poetry. (A quick joke that may also be true.)
It was Bill Gates who said that security should be based on "policy, not topology". It's a phrase which always stuck with me. Rather than basing security on where something is, you use a policy which is independent of the network.
I'm building an open source log manage/analysis tool that will offer folks what Splunk offers folks, except it's open.
How a race car would turn out if it were developed by the equivalent of an Enterprise IT department (without DevOps).
This is the second part of the article in which I’m sharing a list of simple tips that, in my opinion, can help programmers succeed at their current workplace.
This week we're talking to Mahdi Yusuf, developer at Source Metrics, active member of the Python community, and creator of Neckbeard Republic.
As recently as this week, I’ve been involved in conversations with customers about how we can help make their teams deliver more predictably. How can they meet commitments on all levels of the organization, including project, program, and portfolio?
More and more leading edge thinkers are starting to focus on this dichotomy of approaches – organic vs mechanical. Each rightly has it’s place in any practitioner’s toolkit.
Today: The sketchy world of DDoSaaS, Apple's taxes, bringing the power of NumPy to HPC, why Googlers aren't using Glass at I/O, and some truly clever 3D-printed garden contraptions.
“Arquillian Testing Guide” is a book you can buy on packt publishing website here: Arquillian Testing Guide. I just read it and you’ll find in this article what i liked and what i missed in it.
Loading login forms over HTTP renders any downstream transport layer security almost entirely useless. Rather than just tell you what’s wrong with this, let me show precisely why this is with a site that implements this pattern...
This two-minute overview explains how Puppet Enterprise can support DevOps practice.
Github has a nice API for inspecting repositories – it lets you read gists, issues, commit history, files and so on. Git repository data lends itself to demonstrating the power of combining full text and faceted search...
I usually use Vim and the ‘:set number’ when I want to refer to line numbers in a file but Chris showed me that we can achieve the same thing with e.g. ‘less -N data/log/neo4j.0.0.log’.
I’ve been hacking on a product taxonomy and I wanted to create a ‘CHILD’ relationship between a collection of categories. For example, I had the following array and I wanted to transform it into an array of ‘SubCategory, Category’ pairs...
During our induction into the IBM family, one of our new colleagues told an anecdote about a firm that outsourced its mobile application development. Managing the relationship of outsourced work with what is being developed in house is a challenge similar to what manufacturers face with their supply chains.
I live-coded a new gem called Ruby::Enum at NYC.rb on Tuesday. This library adds enum-like functionality to Ruby. Here’s my checklist for creating a new gem.
Respected institutions like the Harvard Business Review, the Economist and others are publishing studies that show that the average CEO is unhappy with the status quo of their own technology shops.
A comparison of the configuration management tools Puppet and CFEngine.
“Any software programmer that does not do unit testing is a reckless coder,” declared Lopian. “Unit testing is an essential part of any software development process. It allows you to deliver working code, with fewer bugs, faster."
Let's look at how to get visibility into an important component of any complex system: the messaging queue. Specifically, let’s look at how to trace a job from Rails using Resque.