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Gil Zilberfeld07/25/14
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Agile Practitioners 2015: Call For Papers

Agile Practitioners 2015 is starting its way, and the first step is the Call For Papers! The Agile Practitioners conference started 4 years ago, and is an actual effort by the community. I’m proud to be part of the organizing committee, after presenting at the last 3 gatherings.

Johanna Rothman07/24/14
5544 views
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How Pairing & Swarming Work & Why They Will Improve Your Products

If you’ve been paying attention to agile at all, you’ve heard these terms: pairing and swarming. But what do they mean? What’s the difference?

Alec Noller07/24/14
6817 views
0 replies

The Best of DZone: July 17 - 23

If you missed anything on DZone this week, now's your chance to catch up! This week's best include a Spring MVC 3 view controller example, a look at the new mobile database, Realm, the Java origins of AngularJS, 5 quick points about threads in Java EE, and more.

Rob J Hyndman07/24/14
2468 views
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Plotting the characteristic roots for ARIMA models

When modelling data with ARIMA models, it is sometimes useful to plot the inverse characteristic roots. The following functions will compute and plot the inverse roots for any fitted ARIMA model (including seasonal models).

Mike Bushong07/24/14
3332 views
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Scaling Big Data fabrics

Certainly, Big Data applications are distributed largely because the size of the data on which computations are executed warrants more than a typical application can handle. But scaling the network that provides connectivity between Big Data nodes is not just about creating massive interconnects.

Steve Hanov07/24/14
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You can cheat so your web site seems faster than it is

Previously, I was precalculating the completion which maximized the probability of the word, using some basterdized half-remembered version of bayes law. But I think there is a better approach, by running simulations on existing data.

Alec Noller07/23/14
8319 views
0 replies

Dev of the Week: Pierre-Hugues Charbonneau

Every week here and in our newsletter, we feature a new developer/blogger from the DZone community. This week we're talking to Pierre-Hugues Charbonneau, Senior IT Consultant and System Architect at CGI Inc., and author of DZone's 200th Refcard: Java Performance Optimization.

Borislav Iordanov07/23/14
6188 views
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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.

Hamid Shojaee07/23/14
3118 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
4350 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.

Mike Bushong07/23/14
2216 views
0 replies

Scenario planning for first-line managers

Almost every New Product Introduction process includes some placeholder slots to talk about risk. Everyone knows enough to put mitigation plans in these slots. But those mitigation plans are drafted and then ignored by the vast majority of managers.

Kin Lane07/23/14
1733 views
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GitHub Commit Storytelling: Now or Later

When you are making GitHub commits you have to provide a story that explains the changes you are committing to a repository. Many of us just post 'blah blah’, ‘what I said last time", or any other garbage that just gets us through the moment. You know you’ve all done it at some point.

Steve Millidge07/22/14
3339 views
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Highly Available PHP sessions using memcached 4 Coherence

In this blog we will show you step-by-step how to use PHP memcached support, combined with our new library to store PHP sessions directly in Oracle Coherence using the memcached protocol.

Mike Bushong07/22/14
2722 views
0 replies

Network abstractions need equivalent of packet walkthrough

Whenever a new networking platform is evaluated, one of the early sales calls includes a packet walkthrough. But why?

Rob J Hyndman07/22/14
3273 views
0 replies

I am not an econometrician

Econo­met­rics is often “the­ory dri­ven” while sta­tis­tics tends to be “data dri­ven”. I dis­cov­ered this in the inter­view for my cur­rent job when some­one crit­i­cized my research for being “data dri­ven” and asked me to respond.