Yesterday I was trying to find a bug in my source code which lead to quite unexpected results. I thought that I narrowed down the possible origin and will be able to localize the problem within a short time. However,…
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Blog Archives
Debugging in the sleep
Tagged with: dream, programming, sleeping, Software bugs, solution
Posted in computer, GPS, math, physics, programming
Posted in computer, GPS, math, physics, programming
Horizontal positional accuracy of Google Maps
This week I was involved in a discussion about the accuracy of Google Maps. It seemed that the position derived from a geodetic GPS receiver matched well with the visual location inside the Google Maps image, having a residual horizontal…
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Tagged with: Google, Google Earth, Google Maps, GPS, Map, satellite imagery, Web mapping
Posted in computer, GPS
Posted in computer, GPS
SVN revision number in c++ code – an impossible task ?
Subversion (or just SVN) is a software versioning and revision control system which has been used for countless projects since its release in 2000. Also the software project to which I contribute is managed and distributed via SVN. Yesterday, I…
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Tagged with: C, Computer programming, Revision control, Software, software versioning, Subversion
Posted in computer, programming
Posted in computer, programming
The shallow water equations in Octave
Playing with partial differential equations can be great fun. I guess the shallow water equations are one of the most easiest to understand system, which have a clearly visible impact in daily life. It does not matter if you have…
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How to turn an ASCII table with AWK
Imagine you have a text (ASCII) file that holds a table/matrix, e.g. A1 A2 A3 A4 A5 B1 B2 B3 B4 B5 C1 C2 C3 C4 C5 but what you need, is the information transposed, i.e. A1 B1 C1 A2…
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Privacy Policies
When we navigate through the World Wide Web, we visit many pages and quite a few of them have lengthy privacy policies. Even simple pages usually have a kind of disclaimer and the creator/owner of the web page mostly puts…
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Tagged with: Digital media, Facebook, Google, Internet privacy, Law, Privacy, Twitter and Co., World Wide Web
Posted in computer
Posted in computer
Mass conformity by free choice
Whenever, I ride on a train here in Tokyo I see approximately the following situation: I have touched this topic in a blog post before, but I want to elaborate a little bit more on it today. We can see…
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Fedora 18 and CUDA
After giving up installing (and running) CUDA under F17, I gave it a try with the latest version, i.e. Fedora 18. As usual I selected the 64-bit version and it turned out that CUDA become usable under this OS again.…
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My tablet experience
Since roughly six months everybody in the office is equipped with his/her personal tablet. As our meetings are performed paperless it has been decided that everyone can purchase a tablet of his choice. A few people selected an iPad and…
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Bye-bye to Adsense
This morning I received an email from Google telling me that my Adsense account has been suspended due to “invalid clicks”. Actually I have no idea what that means and how Google decided to stop my account. I have used…
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