Join Us For Our Big Data Twitter Q&A! #DZBigData

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In anticipation of our 2014 Guide to Big Data, we have arranged for a panel of experts to answer your Big Data questions on Twitter.

Be sure to join us (@DZone) on Monday, September 22nd from 2pm-3pm EST to get all of your questions answered.

The following Big Data experts and active Twitter users will be on hand to answer your questions:
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The Hidden Cost Of Estimation

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“Why would you want a rough estimate, when I can do a more precise one?”

And really, if we can do something better, why do it half way?

There’s a simple answer, but I’ll give it after the long detailed one.

Let’s start by asking again:
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“Why would you want a rough estimate, when I can do a more precise one?” And…

Alternative Logging Frameworks for Application Servers: WebLogic

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Introduction
Welcome to the second in the blog series of using alternative logging
frameworks with application servers. This entry will focus on WebLogic,
specifically 12c, and configuring it to use Log4j and SLF4J with Logback.

The first part of this series can be found here: Part 1 – GlassFish
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Welcome to the second in the blog…

Comparison of Alternatives for Stream Processing and Streaming Analytics

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The demand for stream processing is increasing a lot these days.
Frameworks (Apache Storm, Spark) and products (e.g. IBM InfoSphere
Streams, TIBCO StreamBase, Software AG Apama) for stream processing and
streaming analytics are getting a lot of attention these days. The
reason is that often processing big volumes of data is not enough. Data
has to be processed fast, so that a firm can react…

Can you quantify trust?

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In a previous article, commenter Robert Kist asked:

How are you going to judge if people trust you – what would your indicators be, if you decide to treat it as a metric?
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Bad managers, who are by definition less trusted, can easily rationalize away any attempt at quantification. One quantifiable measure would be employee…

Agile outside of software

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Later this week I’m doing a presentation at Agile On The Beach entitled: “Agile outside of software development”. (I resisted the temptation to call it “Agile Beyond Software”). The presentation will attempt to answer a question which is often asked at, and around, Agile On The Beach: “Is Agile only for Software Development?”
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Programmer, know thy tools!

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Being a programmer has undergone a lot of changes in a couple of recent years. The Agile Manifesto and the raise of the Software Craftsmanship changed the way a programmer thinks about his work. The process of creating software became more customer-centric, with accent put on ability to change quicky. This led to the importance of crafting quality code.
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Deploying the MongoDB Morphia ORM in OSGi

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Morphia is an ORM library for MongoDB. It may be considered as the lightweight alternative of Spring Data MongoDB or as a richer version of Jongo. Compared to Spring Data MongoDB, Morphia is simpler to setup in a non-Spring environment and it has far fewer dependencies. On the other hand, it lacks Spring Data’s uniform repository interface, and its convention-over-configuration approach that can…

Pitfalls of Agile Software Development

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Introduction

Last week I was listening to the new Thoughtwork’s podcasts and I bumped with Sriram Narayan talking about Anti-Patterns of Agile Software Development.

By anti-pattern, he means common mistakes made by teams while adopting agile software development methods. According to him, due to the not-so-rigid way of defining agile development methods (that is a good…

R: dplyr – group_by dynamic or programmatic field

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In my last blog post I showed how to group timestamp based data by week, month and quarter and by the end we had the following code samples using dplyr and zoo:
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In my last blog post I showed how to group timestamp based data by week, month and quarter. I wanted to pull this code out into a function. It turns out if we want to do this…

Nearly All CMS Technologies Suck

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Why we use Content Management Systems

An organization wants to work on content in a WYSIWYG way, do approvals workflows on changes outside of a traditional go-live cycle, and in a place that is not actually live.

At least, that’s a relatively short version of what I identify as the root cause of CMS decisions. The strongest argument in favor of CMSs perhaps.
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Communicating business rules with methods

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Do you use anemic models? i.e. having business classes like “User” without any methods but just properties instead? Do you want to do better but do not know how?

In OneTrueError we want to verify emails so that we can email notifications, password reset requests and invoices. As a small startup documentation is not something mandatory Instead we try to write the code so that new team…

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