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Robert Diana11/23/14
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Geek Reading November 19, 2014

These items are the fruits of those ideas, the items I deemed worthy from my daily reading. These items are a combination of tech business news, development news and programming tools and techniques.

Mark Needham11/23/14
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R: Refactoring to dplyr

I’ve been looking back over some of the early code I wrote using R before I knew about the dplyr library and thought it’d be an interesting exercise to refactor some of the snippets.

Maarten Ectors11/23/14
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IoT and Personal Health

I just saw Eric Dishman’s TED session on “Health care should be a team sport“. I love the idea of providing people with chronicle illness the means to be diagnosed and treated remotely and use big data to learn of a large group of patients with similar issues.

John Walter11/23/14
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The Best of the Week (Nov 14): IoT Zone

Make sure you didn't miss anything with this list of the Best of the Week in the IoT Zone (November 7 - November 14). This week includes a look at the WatchKit SDK, the effect of IoT on our lives, and the role of logging in the IoT.

Erich Styger11/22/14
6516 views
1 replies

Engineering Joke of the Week: The Frog

A little engineering humor for your weekend...

Mark Needham11/22/14
5318 views
0 replies

R: dplyr - Group by field dynamically

A few months ago I wrote a blog explaining how to dynamically/programatically group a data frame by a field using dplyr but that approach has been deprecated in the latest version. It turns out the ‘group_by_’ function doesn’t want to receive a list of fields so let’s remove the call to list:

John Walter11/22/14
3180 views
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The Best of the Week (Nov. 21): DevOps Zone

Make sure you didn't miss anything with this list of the Best of the Week in the DevOps Zone (November 14 - November 21). This week includes a guide to Ansible Galaxy, a look into metrics, and thoughts on config promotion.

Michael Sahota11/21/14
3519 views
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People over Process

Agile and Lean are a means to an end. Once we are clear what our goals are and our approach is consistent with what we truly value, then we may hope for success. We outline a fundamentally different approach for organizational change: one where valuing people is integral to building lasting success.

Allan Kelly11/21/14
8790 views
3 replies

Does Agile require cultural change?

I sit in Agile conferences and I hear people say “To really become Agile you need culture change.” And I agree with them. But…

Seth Proctor11/21/14
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0 replies

Why Automation Matters

Distributed systems are complicated, and operating one as it scales out is more so. This is why we're so passionate about the experience of using NuoDB and making that operational experience as simple as possible.

Mike Cottmeyer11/21/14
4823 views
0 replies

Replacing Backlog Grooming

Over the last few years, I’ve worked with numerous teams. One thing they all struggle with is backlog grooming. Over the last few years I have evolved my practice of backlog grooming.

Mehdi Daoudi11/21/14
2169 views
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Why Outages Are the Scariest Thing for DevOps - and Businesses

The scariest thing for a DevOps person is the effect that a web outage will have on his or her company.

Steven Willmott11/21/14
1073 views
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Pimp My Fridge - My Week Hacking in Louisville, KY

I’ve recently gotten interested in hacking hardware, which lead me on a journey to FirstBuild where I got to work on hacking together the Beerminder!

Rob J Hyndman11/20/14
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Seasonal Periods

The “fre­quency” is the num­ber of obser­va­tions per sea­son. This is the oppo­site of the def­i­n­i­tion of fre­quency in physics, or in Fourier analy­sis, where “period” is the length of the cycle, and “fre­quency” is the inverse of period. When using the ts() func­tion in R, the fol­low­ing choices should be used.

Maneesh Joshi11/20/14
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0 replies

Top 5 Mobile APM Myths: Myths 1 & 2

There is a lot of confusion in the market today. So in this blog post, I’d like to dispel some key myths around mobile apps. And how, with the right mAPM tool, you can nail your mobile app experience — both interactivity-wise and performance-wise — and thereby win the market.