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Harish Ganesan04/21/13
4482 views
0 replies

Understanding the Amazon EBS IO Block Size and its Performance Impacts

Understand how IO Block sizes play a major role in Performance of an Amazon EBS

Marton Sigmond04/21/13
4592 views
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Why Using OSGi Pays Out

A very short summary of what OSGi provides, and why using it pays out.

Adam Warski04/20/13
3766 views
0 replies

Per-Commit E-mail GitHub Notifications

One thing that I miss in GitHub is the ability to get e-mail notifications on each push/commit. There is an option to set an e-mail notification address in the repository settings, but you can only specify a single, global address, and only the administrator can do it.

Harish Ganesan04/20/13
11521 views
0 replies

When Amazon EBS-Optimized Instances Make Sense

The performance of a block storage device is commonly measured and quoted in a unit called IOPS, short for Input/Output Operations per Second (IOPS).

Paul Reed04/19/13
4229 views
0 replies

The Ship Show: Asked and Answered

This episode, we delve into the always-squishy “DevOps culture” and take a closer look at the process of both asking and answering questions.

Luis Aguilar04/19/13
10937 views
0 replies

Unit Testing 101: Inversion Of Control

Inversion Of Control is one of the most common and widely used techniques for handling class dependencies in software development and could easily be the most important practice in unit testing.

Nitin Kumar04/19/13
1379 views
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DevOps - a Need for the IT Industry

What challenges can DevOps address in current organization environments, and how can it provide benefits to business and IT users?

Trevor Parsons04/18/13
2179 views
0 replies

Setting the Umask when Using Capistrano

After a bit of research, I discovered that the secret is to put the umask statement in my .bashrc file before the line that says [ -z "$PS1" ] && return as when Capistrano logs into the server, it doesn't have an interactive shell (and so $PS1isn't set.

Rob Allen04/18/13
1353 views
0 replies

Heroku’s Add-On Provider Summit – London

We’re just back from Heroku’s Add-on Provider Summit in London where we were getting the skinny on Heroku’s upcoming addon provider roadmap!

Jeremy Tess04/18/13
1042 views
0 replies

Typemock's Community for Devs in the Early Stages of Unit Testing Adoption

The numerous benefits of unit testing have been well documented and extensively written about but surveys conducted by Typemock show that in many cases, unit testing is dropped after the first negative experience despite their financial and professional value and before its benefits become apparent.

Eric Minick04/17/13
5200 views
0 replies

Two DevOps Approaches to Configuration Changes

We’ve all seen it. The application breaks on a developer’s laptop. It’s fixed by a configuration change such as adding a data source or changing a threshold or toggling something.

Steve Smith04/17/13
7116 views
0 replies

Build Continuous Delivery In

While Continuous Delivery has a well-defined value proposition and a seminal bookon how to implement a deployment pipeline, there is a dearth of information on how to transform an organisation for Continuous Delivery.

Mark Needham04/17/13
4712 views
0 replies

Capistrano: Deploying to a Vagrant VM

I’ve been working on a tutorial around thinking through problems in graphs using my football graph and I wanted to deploy it on a local vagrant VM as a stepping stone to deploying it in a live environment.

Fabien Taysse04/17/13
2247 views
0 replies

Writing Custom Suppliers for Your JUnit @Theory

JUnit's "Theories" runner is an (mostly) undocumented experimental runner that allows you to run your @Test method (your @Theory) against all possible combinations of parameters (your @Datapoints) you can throw at it. This article shows a simple example, a common caveat with the default runner, and how you can write your own data supplier to get better control over the values passed to each parameter of your @Theory

Eric Gregory04/16/13
3854 views
0 replies

Links You Don't Want To Miss (4/16)

Today: Scaling at Pinterest, Netflix pushes HTML5 video, a new CoffeeScript learning tool, and an international collaborative effort to solve software challenges in space and on Earth.

Mark Needham04/16/13
3813 views
0 replies

Capistrano: The Remote End Hung Up Unexpectedly

As far as I can tell the reason for this is that bitbucket hasn’t been verified as a host by the VM and therefore the equivalent of the following happens when it tries to clone the repository.

Eugen Paraschiv04/16/13
3937 views
1 replies

Project Configuration with Spring

A simple but flexible solution for Project configuration with Spring.

Ian Mitchell04/16/13
8051 views
0 replies

User Stories in Practice

User Stories are simple in construction but there are complex issues to be resolved in their application. In this article we look at some of the issues involved, such as the authoring of Acceptance Criteria, how to handle defects and tasks, and whether or not User Stories are appropriate for the capture of Non Functional Requirements.

A. Jesse Jiryu Davis04/15/13
2470 views
0 replies

My PyCon Lightning Talk About Toro

The lightning talk I gave at PyCon is now online. I talked for 4½ minutes on Toro, the package I wrote to provide locks, events, conditions, semaphores, and queues for Tornado.

Chris Haddad04/15/13
3044 views
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A New IT Plan: Enterprise DevOps PaaS, APIs, and Ecosystems

Open source PaaS, Open APIs, and Open Ecosystems are accelerating agility, empowering developers, and enabling innovative business strategies. In a recently published white paper, I describe how adopting a New IT plan can create a responsive IT team.

Eric Minick04/15/13
1938 views
0 replies

Extending uDeploy and uBuild with Plugins

Last week, Matt Wagner and I presented a tutorial (now recorded) on Building Air Framework Plugins.

Jessica Thornsby04/15/13
3700 views
0 replies

Apache Subversion Team Releases 1.7.9 and 1.6.21

The Apache Subversion team has announced two new releases: Subversion 1.7.9 and 1.6.21. Subversion 1.7.9 improves the error messages for svn:date and svn:author props, and it improves the logic in mod_dav_svn’s implementation of lock, as well as a list of other features and fixes

Lakshan Perera04/14/13
6508 views
0 replies

My First Three Months with Nitrous.IO

Last 3 months has been the most exciting and yet challenging period of my life. I migrated from Sri Lanka to Singapore to join with an early-stage startup called Nitrous.IO.

Ben Wootton04/13/13
3593 views
0 replies

Increasing System Robustness With A ‘Let It Crash’ Philosophy

You can try to anticipate and reason about all of the things that can go wrong with your software and code defensively for these situations, but in a complex system it is very likely that some combination of events or inputs will eventually conspire against you to cause a failure or bug in the system.

Trisha Gee04/13/13
3386 views
0 replies

How Mechanical Sympathy Got Me to the Airport on Time

Lets talk about mechanical sympathy. Martin Thompson has been making this term very popular in software development, so it's best to read his description of why he used the term.