Book – Hatching Twitter: A True Story of

Book – Hatching Twitter: A True Story of

Book - Hatching Twitter: A true story of...Just finished reading Hatching Twitter: A True Story of Money, Power, Friendship, and Betrayal and I must say that I wasn’t as impressed as when reading for example The Everything Store. The book is more about politics and opportunities than about creating opportunities and value or generating great ideas that others can build on. Of course this can still offer a great story and be a good (more...)

OTech Magazine – Summer 2014

OTech Magazine – Summer 2014

OTech magazineThe fourth issue of OTech Magazine, the independent magazine for Oracle professionals, is available. For the summer 2014 issue there are some more personal articles included. Titles vary from The Spiritual Programmer to The Next Generation: Oracle SOA Suite 12c and back via How to protect your sensitive data using Oracle Data Vault.

Download OTech Magazine – Summer 2014 here.

deltalounge

Book – The everything store

Book – The everything store

The everything store

The everything storeThe idea of the everything store was simple: an Internet company that served as the intermediary between customers and manufacturers and sold nearly every type of product, all over the world. It is the story of Amazon.com, one of the most successful companies in the world. And the story of its driven founder Jeff Bezos.

Reading the book I think that there are a few (more...)

Reading list of 2014 so far

Reading list of 2014 so far

In this blog post I’ll share a list of books I read during the first months of 2014. There is more business focus compared to previous years…

The everything store

The everything storeThe everything store is one of the books I liked reading most of my reading list this year. It tells the story of amazon.com so far; The vision and ways of working of the company and it’s founder (more...)

FitNesse add tags to multiple pages at once

FitNesse add tags to multiple pages at once

FitNesseTaggerSearchWe’re using FitNesse as one of our tools for (acceptance) testing. It can be quite laborious in FitNesse to add tags to multiple pages at once. So one my colleagues – Joost van Wollingen – wrote a nifty tool that can mass tag selected pages.

In order to have FitNesse add tags to multiple pages at once, start the Java program. Select the directory from where you (more...)

Online product recommendations using Hadoop

Online product recommendations using Hadoop

One of the leading portals on BigData, Dataconomy, had an interview with a colleague of mine on product recommendations systems. These are systems aimed towards personalizing content and recommending the ‘right’ products, in other words products that inspire customers. The article – The Science Behind the Finding the Perfect Product – is a nice read that covers quite some areas.

Stack of Hadoop nodesAt bol.com we use Hadoop for batches, and (more...)

Article on integration infra components published in OTech magazine

Article on integration infra components published in OTech magazine

article OTech magazineDuring Oracle Open World 2013 OTech magazine was launched. OTech is a new independent magazine for Oracle professionals. The magazine’s goal is to offer a clear perspective on Oracle technologies and the way they are put into action. As a trusted (more...)

Lean, agile and Software development reading list of 2013

Lean, agile and Software development reading list of 2013

In this blogpost I’ll share a list of books I read during the first six months of 2013.

Hadoop – The definitive guide

Hadoop the definitive guideThis book proved very useful to get an introduction and solid background in Hadoop. I was reading it (more...)

VirtualBox – Install Ubuntu 13.04

VirtualBox – Install Ubuntu 13.04

To install Ubuntu 13.04 in a fresh VirtualBox image, create a VirtualBox image as described in the blog post on installing Ubuntu 11.04 in VirtualBox. Focus on the Prepare Ubuntu install in VirtualBox section.

In the latest versions of VirtualBox you can (more...)

VirtualBox solved VERR_VMX_MSR_LOCKED_OR_DISABLED

VirtualBox solved VERR_VMX_MSR_LOCKED_OR_DISABLED

VirtualBox Manager VERR_VMX_MSR_LOCKED_OR_DISABLEDWhile creating a Ubuntu 12.10 machine VirtualBox I ran into an error – VirtualBox VERR_VMX_MSR_LOCKED_OR_DISABLED – on my company issued HP ProBook. This halts the startup process of the virtual machine. You won’t be able to use it.

Here is the complete log and a screenshot:


(more...)