Singapore Ping
We have recently been supporting an event with about 500 participants, half of them being based in Singapore, and the remainder in France. As soon as we had launched it, we would get some support...
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oditorium for kids: free times-tables tool
We have been spending an extraordinary amount of time recently on pushing our tools to the v0.9 release which moved the system over to a number of new and exciting technologies (eg, using a...
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Blue Ocean Strategy
Intro I am on holidays – sort of – and have time to read some books. One that I decided I have to read is Blue Ocean Strategy, the business book bestseller written by WC Kim and R Mauborgne, both of...
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Installing iPython Notebook
For a teaching that I am preparing I found that my favorite tool – Excel – would no longer cut it, so I decided to finally give iPython Notebook a try – and it rocks! For those of you who do not know...
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Blue Ocean Strategy – Design
In the last post I have discussed the basic idea behind the Blue Ocean Strategy, and – importantly – that it is simply a rehash of the good old differentiation strategies in beautiful clothes. This is...
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iPython Cookbook – Curve Fitting
If you follow my blog I have recently decided to give iPython Notebook a try because in one of my lecture preparations Excel would not cut anymore, and whilst I have only scratched the surface of what...
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iPython Cookbook – Pricing a Call Option in a Normal model using Monte Carlo
This instalment of the iPython Cookbook series looks at Monte Carlo simulation: we will price a European call option using a Gaussian model instead of the usual lognormal Black Scholes model using a...
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Blue Ocean Strategy – Discussion
In my two previous posts I have discussed parts of the book Blue Ocean Strategy, first the general idea, and then how to actually design a Blue Ocean strategy. What I have not discussed at all is the...
View ArticleAuthenticating against Twitter in Ruby
I sometimes use @sferik‘s twitter client t to do some command line stuff. I wanted to look at some network analysis, so I thought that t followers would be my friend, but alas no, I ran into rate...
View ArticleService announcement: topic blogs
This blog has become a bit unfocussed, with many different topics weaved together. In principle, this was not an issue because one could also look at the per-category blogs, but still, this is not very...
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