Find files in debian packages
07:58 AM on Monday 30 September 2013
To locate a package that provides a certain file like yum whatprovides, you can use apt-file. To see which package provided an existing file, use dpkg -S full_path_to_file. Details at: http://nicholaskuechler.com/2011/02/10/debian-ubuntu-equivalents-of-yum-whatprovides/
Interesting macro lens
07:38 AM on Monday 30 September 2013
Stumbled upon this interesting macro lens with a 5X magnification. http://www.yasuhara.co.jp/nanoha/index-e.html That is some extreme magnification and it comes with its own lighting. The DOF is not too bad but stacking might be needed.
The art room at Pauline's school
08:37 AM on Sunday 29 September 2013
Was at Pauline's school to help her out with her art project. And I took the opportunity to take some photos of the interesting things there using the macro len. First up is a series of shots on plaster of paris. The air bubbles that form during the pouring of the plaster created some very interesti ...
Carnivorous plant
10:40 PM on Saturday 28 September 2013
Started a couple of lines in procreate and one line led to the next. Soon a carnivorous plant appeared.
HDR of the view from the house
06:55 PM on Friday 27 September 2013
Did a HDR using Nik HDR Efex Pro 2 which I recently brought as part of the Nik collection for HDR work. With Photoshop on the cloud and on a subscription basis, I wanted to move away from expensive Photoshop and Google was having a special for the entire Nik collection. So I brought that and the HDr ...
More macro fun
06:52 PM on Friday 27 September 2013
Had another play with the macro len. This time with the dinosaur that I made using clay and my watch. Played about with effects provided by Nik collection.
Listing the packages on a debian based system
11:23 AM on Friday 27 September 2013
Having a couple of Ubuntu servers around for testing and development means that their packages can get out of sync and cause problems. Use the following command to list out the packages so that they can be synced. For details and more information, see http://askubuntu.com/questions/17823/how-to- ...
Day at Bukit Batok Nature Park
09:02 PM on Tuesday 24 September 2013
Went to Bukit Batok Nature Park with the kids to get some fresh air. Took some photos along the way.
Parallelization in R
08:16 PM on Tuesday 17 September 2013
I have been having pretty large data set for statistical testing recently. Large as in millions of comparisons which is really taking a lot of time. In the past, I have used plyr and the doMC parallelization backend. That took a lot of time. The tests themselves seem to finish fast enough, but the a ...