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Sean Hull05/30/12
6973 views
3 replies

The 5 Point Checklist Backup and Recovery in EC2

Learn the 5 keys to backing up resources on Amazon EC2, which include performing multiple types of backups keeping non-proprietary backups offsite and a few other tips...

James Sugrue05/30/12
4016 views
5 replies

Thursday Code Puzzler: Two Generals

This weeks code puzzler is the Two Generals problem, designed to test out how you can deal with communication protocols.

Ron Gross05/30/12
8373 views
1 replies

Why You Should Write a Blog Post Today

Blogging was quite a trend a few years ago, but with the rise of Facebook & Twitter, it’s fallen out of favor with some. Well, I’m here to tell you that you should open your own blog today, and if you own a blog but haven’t posted in a while … you should come back to it and post some more.

Jos Dirksen05/30/12
3367 views
3 replies

Stop Labeling Everything as an Impedance Mismatch!

I recently ran across an article that was talking (again) about the Object-Relational mismatch. And just like in many articles this mismatch is called the Object-Relational Impedance mismatch.

Jens Schauder05/30/12
1942 views
1 replies

Plans for My Next Project

About two years ago I made some plans for my next project. My time on that project is almost over because I’m switching companies. So it is time to review those plans and make new plans for the next project.

Alan Skorkin05/30/12
16666 views
5 replies

Why Developers Never Use State Machines

I decided to engage in a bit of introspection and figure out why we tend to manage our "state" and "status" fields in an ad-hoc fashion rather than doing what is clearly called for.

Martin Thompson05/30/12
4481 views
1 replies

Applying Back Pressure When Overloaded

How should a system respond when under sustained load? Should it keep accepting requests until its response times follow the deadly hockey stick, followed by a crash? All too often this is what happens unless a system is designed to cope with the case of more requests arriving than is it capable of processing

Max De Marzi05/30/12
5590 views
1 replies

Graph Theory, Gremlin, and . . . the Chicago Bulls?

Once again, Max De Marzi offers an inventive case of the real-world application of graph theory by translating the late-90's Chicago Bulls lineup into social network.

Aaron Nichols05/29/12
8926 views
1 replies

Embedding Ops Members in Dev teams – My Recent Experience

For about 2 months I was sitting with a dev team while we worked through how to build a new service which will be continuously deployed. I wanted to share my experiences here because I’ve read both positive and negative opinions about doing this and I’m not sure there’s a single right answer.

Rafał Kuć05/29/12
6964 views
1 replies

Solr Autcomplete, part 4 (Ngram and faceting)

In the previous parts of autocomplete series we presented two methods of autocomplete queries. Than we extended one of those with the ability to define returned information. In today's entry we are back to autocomplete with facet and ngram.

Christian Posta05/29/12
6536 views
1 replies

Understanding How OSGI Bundles Get Resolved: Part II

In this post, I’d like to demonstrate each rule step using the Apache Karaf OSGI container. Karaf is based on the Apache Felix core, although the Equinox core can be substituted if desired.

Chris Haddad05/29/12
6731 views
1 replies

What Exactly is Cloud Foundry?

A way to unwind the recursive relationship between Cloud Foundry and ecosystem partners is to first start calling the technology a ‘cloud-enabled platform’, and limit PaaS as an instantiation of the cloud-enabled platform delivered as a service

Mark Needham05/29/12
3232 views
1 replies

Building an API: Test Harness UI

On the project I’ve been working on we’re building an API to be used by other applications in the organisation but when we started none of those applications were ready to integrate with us and therefore drive the API design.

Krishna Kumar05/29/12
2685 views
1 replies

Who Should Learn to Code?

Codecademy has been gathering a lot of attention in recent times with many people, including Mike Bloomberg, pledging to learn code.

Nirav Assar05/29/12
9868 views
1 replies

Grails Dynamic Dropdown

Recently I had a UI requirement where a customer wanted to select values from two separate dropdowns.This blog entry details the how to implement dynamic dropdowns in Grails with ajax and minimal JavaScript.