Posts

August 24, 2009 • 1 min read • Technology

How to use jhead or exiftool to add a time stamp to a jpg image

If the jpg image doesn't have exif header you need to create it first:jhead -mkexifThen enter the time stamp data:jhead -ts2009:08:15-10:30:00Apart from jhead (http://www.sentex.net/~mwandel/jhead/), there is another frequently used tool to edit exif data: exiftool (https://www.sno.phy.queensu.ca/~phil/exiftool/ ).
Chicken embryo

August 18, 2009 • 1 min read • Science

Chicken embryo

Through a hole in the egg shell you can visually follow the complete chicken development.
Finally some good self-made chocolate ice cream

August 7, 2009 • 1 min read • Technology

Finally some good self-made chocolate ice cream

Last summer I bought this ice cream maker.
The Molecular/Cancer Biology Lab 2008

July 11, 2009 • 1 min read • University of Helsinki

The Molecular/Cancer Biology Lab 2008

Molecular/Cancer Biology Laboratory group photo 2008, including researchers' names
Giant soap bubbles

June 11, 2009 • 3 min read • Science

Giant soap bubbles

There are hundreds of web pages describing recipes for giant soap bubbles. Why would I still add one more?
The Molecular/Cancer Biology Lab 2008

May 11, 2009 • 1 min read • University of Helsinki

The Molecular/Cancer Biology Lab 2008

Molecular/Cancer Biology Laboratory group photo 2008
The Molecular/Cancer Biology Lab 10 years ago

May 5, 2009 • 1 min read • Finland

The Molecular/Cancer Biology Lab 10 years ago

I cleaned my computer files and I found this historical photo collage…

April 22, 2009 • 1 min read • Technology

How to determine and convert text file encoding (file, enca, iconv)

To determine the file type of the file "sample.txt" you just type:file sample.txtUsually it'll tell you only that it is a text file.

April 12, 2009 • 1 min read • Technology

File permissions on html server (recursive chmod) differentiating between files and directories

I recursively screwed up the file permissions in my html servers root directory.
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Biochemistry/Molecular biology researcher and teacher