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Peter Lawrey10/15/14
4476 views
0 replies

Kafra Benchmark on Chronicle Queue

I was recently asked to compare the performance of Kafka with Chronicle Queue. No two products are exactly alike, and performing a fair comparison is not easy. We can try to run similar tests and see what results we get.

Mikio Braun10/14/14
2596 views
0 replies

Parts But No Car

One question which pops up again and again when I talk about streamdrill is whether that cannot be done by X, where X is one of Hadoop, Spark, Go, or some other piece of Big Data infrastructure. The truth is that there’s a huge gap between “in principle” and “in reality”, and I’d like to spell this difference out in this post.

Mike Cottmeyer10/14/14
5665 views
0 replies

Teams 102

In this post, I want to go just a little deeper on the notion of teams and challenge some of the common thinking around agile and agile transformation.

Johanna Rothman10/14/14
4832 views
0 replies

Management Feedback: Are You Abrasive or Assertive?

We all need feedback. Managers need feedback, too. Because managers leverage the work of others, they need feedback even more than technical people.

Andrew Gilmartin10/13/14
4455 views
0 replies

An Observer pattern implementation and illiterate programming

The Observer pattern and an experiment in documenting Java code using "illiterate programming."

Pubudu Dissanayake10/13/14
2135 views
0 replies

How to draw a Control flow graph & Cyclometric complexity for a given procedure

Cyclomatic complexity is a software metric used to measure the complexity of a program. This metric measures independent paths through the program's source code.

Tim Murphy10/12/14
6733 views
3 replies

Teaching Old Dogs New Tricks

Old developers can easily get set in their ways especially if they work in one environment for a dozen years or more. So how do you overcome the “that is the way it has always been done” mentality that sets in?

Mike Cottmeyer10/11/14
6351 views
0 replies

Teams 101

The notion of forming complete cross functional teams is one of the most well understood concepts in the agile community but maybe one of the least implemented in practice.

Arthur Charpentier10/11/14
2623 views
0 replies

Cross Validation for Kernel Density Estimation

In a post published in July, I mentioned the so-called Goldilocks principle, in the context of kernel density estimation, and bandwidth selection. The bandwidth should not be too small (the variance would be too large) and it should not be too large (the bias would be too large).

Paul Underwood10/10/14
2346 views
0 replies

Output Contents Of A Doctrine Object

I've being doing a lot of development with Doctrine recently and one of the things that I found out is that the Objects it works with can be huge which makes debugging the objects quite difficult for you and the browser to process.

Alec Noller10/10/14
15677 views
6 replies

Poll Results Are In: The World's Greatest Programmers

You may have seen our recent poll about the world's greatest programmers - maybe you gave an opinion! Well, the results are in, and we've created this infographic to help you visualize the rankings as determined by DZone's audience.

James Shore10/10/14
5508 views
0 replies

Agile and Predictability

It's entirely possible to make predictions with Agile. They're just as good as predictions made with other methods, and with XP practices, they can be much better. Agile leaders talk about embracing change because that has more potential value than making predictions.

Chris Odell10/10/14
5657 views
0 replies

Anyone Can Be A Codesmith.

I think that anyone who writes code in any shape or form should feel free about calling themselves a codesmith. The ideals of craftmanship should be followed, with a healthy dose of pragmatism, but learning the skills to become a good coder takes time and experience.

Mark Needham10/10/14
6374 views
1 replies

R: A first attempt at linear regression

I’ve been working through the videos that accompany the Introduction to Statistical Learning with Applications in R book and thought it’d be interesting to try out the linear regression algorithm against my meetup data set.

Tracy Vides10/09/14
518 views
0 replies

How to "Productize" Services and Use Ecommerce to Take the Leap

Service businesses are a great to get started with your entrepreneurial dreams. Bring your skills to the table, execute work, deliver it on time, and get paid – as simple as that. Service businesses are not the right vehicle just in case you wanted to do more, grow big, scale as big as you like.