Visit to Qian Hu
04:43 PM on Sunday 28 September 2014
We visited Qian Hu every once in a while since Esther likes to do the kiddie fishing there. Here are some of the photos taken.
Photo frame
10:20 AM on Tuesday 23 September 2014
Converted Pauline's first generation iPad into a photo frame. In the older versions of iOS, there is a built-in photo frame application which does not exist now. This mode is even more convenient. It is amazing that this was state of the art just a number of years back. It feels so so slow right now ...
Using awk to remove genotypes from a VCF file
08:28 AM on Friday 19 September 2014
Use the following awk command to strip the genotypes from a VCF files (when you just need the SNP information).
MySQL data loader
11:48 AM on Thursday 18 September 2014
I do a lot of data loading into MySQL and wanting to save myself time doing this, I wrote a Java command line application to read a input tab delimited text file and load it into MySQL. The program will scan the columns and determine the data type automatically which saves quite a fair bit of time. ...
SEA Aquarium
10:51 AM on Friday 05 September 2014
We went to the SEA Aquarium with Anabelle on Teacher's day since I redeemed a couple of tickets using my Starhub points. Here are the photos.
Esther's letter animals
08:45 PM on Tuesday 02 September 2014
Esther drew this as part of her homework. I thought that it was very creative.
Ernest reading a book
08:43 PM on Tuesday 02 September 2014
A rather solemn looking picture of Ernest reading.
Esther's hot chocolate drink
08:40 PM on Tuesday 02 September 2014
Esther in her usual creative self decided to arrange her tiny marshmallow on her hot chocolate.
Replicating user accounts on linux
08:01 AM on Monday 01 September 2014
We have several linux servers based on CentOS. Since we have only a small number of these machines, we do not use LDAP but just simple username and passwords. When we have a new person, we just add that person to the main server and then copy the necessary lines in the files (/etc/passwd, /etc/shado ...
Website for testing audio
07:55 AM on Tuesday 26 August 2014
Check out http://www.audiocheck.net/ which allows you to check out your audio equipment. I was hearing some hissing with the HF5 which did not appear when doing a frequency sweep so I guess that they are fine.