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Roman Pichler08/18/14
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From Personas to User Stories

User stories are a powerful technique to capture the product functionality from the perspective of a user or customer. But how do we discover the right stories? When should they be written and how detailed should they be? Read this post to find out my answers to these questions.

Mike Bushong08/18/14
5169 views
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Graph Theory and Calculating Network Topologies

Any network can be represented as a graph. The switches in the network are the vertices or nodes in the graph, the links between them the edges.

Alec Noller08/17/14
2119 views
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The Best of the Week (Aug. 8): SQL Zone

Make sure you didn't miss anything with this list of the Best of the Week in the SQL Zone. This week's best include a beginner's guide to JPA/Hibernate flush strategies, how to avoid Hibernate anemia and reduce code bloat, part of the Math and SQL series, and more.

John Cook08/15/14
10553 views
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What would Donald Knuth do?

I’ve seen exhortations to think like Leonardo da Vinci or Albert Einstein, but these leave me cold. I can’t imagine thinking like either of these men. But here are a few famous computer scientists I could imagine emulating when trying to solve a problem. What would you add to the list?

Johanna Rothman08/15/14
5281 views
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Agile Bootcamp Talk Posted on Slideshare

I posted my slides for my Agile 2014 talk, Agile Projects, Program & Portfolio Management: No Air Quotes Required on Slideshare. It’s a bootcamp talk, so the majority of the talk is making sure that people understand the basics about projects. Walk before you run. That part.

Mehdi Daoudi08/15/14
6390 views
1 replies

The Irony of Google's HTTPS Mandate

With last week’s announcement that Google will start rewarding those sites with HTTPS security configurations with better search result rankings, many companies will now be faced with a difficult decision.

Mike Cottmeyer08/15/14
3044 views
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Agile Chronicles (Composite Stories) - Agile Artifacts - Ephemeral v. Enduring Value

During retrospection, when evaluating the quality and value of our artifacts for Epic, Feature and Story decomposition a common theme for our scrum teams is that these artifacts are by design barely sufficient and as such are ephemeral and provide no enduring value.

Anders Karlsson08/15/14
2612 views
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Script to Manage MaxScale

There are still some rough edges and stuff to be fixed in MaxScale 1.0, but it is clearly close to GA. One thing missing, though, is something to manage starting and stopping MaxScale in a somewhat controlled way, which is what this blog is all about.

Victor Savkin08/15/14
6146 views
1 replies

Using Trello for Your Personal Productivity System

I like this system because I find the visual aspect very important. It gives me a sense of accomplishment, which I value. Since most of what I do is creative work, fighting procrastination and “resistance” is high on my list of priorities, and visual tools help me with that.

Mark Needham08/14/14
5217 views
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R: Grouping by two variables

In my continued playing around with R and meetup data I wanted to group a data table by two variables – day and event – so I could see the most popular day of the week for meetups and which events we’d held on those days.

Mike Cottmeyer08/14/14
5408 views
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Aggressive Decoupling of Scrum Teams

What does aggressive decoupling look like?

Mike Bushong08/14/14
7724 views
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Is your career a destination or a journey?

When most people think about their careers, they tend to think 5 years out and picture the job they would like to have. This works well when you know with precision where you want to be, but what happens if your future isn’t quite so certain?

Trevor Parsons08/14/14
4159 views
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How D3 can help you build effective data visualizations

This post will show the value of D3 in doing this manipulation during resizing of different elements and that there are other steps we can take to be clever in designing and developing graphs.

Lukas Eder08/14/14
2375 views
0 replies

SQL Tip of the Day: Be Wary of SELECT COUNT(*)

Unfortunately, COUNT(*) is often the first solution that comes to mind when we want to check our relations for some predicate. But COUNT() is expensive, especially if all we’re doing is checking our relations for existence. Does the word ring a bell?

Anders Karlsson08/14/14
1764 views
0 replies

What is HandlerSocket? And Why Would You Use It? Part 1

HandlerSocket is included with MariaDB and acts like a simple NoSQL interface to InnoDB, XtraDB and Spider, and I will describe it a bit more in this and a few upcoming blogs.