Timemachine and Psync
I have started using Timemachine to backup my computer. It was very simple to setup. One nice feature is that internally the incremental backups use links to refer to unchanged old files so opening the backup in finder shows the complete view.
For my secondary backup snapshot I use pync which synchronizes my data with my [...]
SyncBack vs SyncToy
I have been using Microsoft’s synctoy a lot. After moving all my computing to a Mac, I still have been running synctoy on parallels to get my backups done. When moving from Vista to Windows 7 I found so many quirks in synctoy that I have finally settled with SyncBack. SyncToy maintains a database of [...]
Optimizing Windows Vista for Parallels
I have finally moved all my computing to my MacBook. I used Parallels to run Windows Vista in Mac mostly to run Quicken. It was painfully slow. To speed up Windows Vista open up the display performance settings and set it to “Adjust for Best Performance”. With this setting Windows Vista is considerably faster
Time Lapse of Sunset from Milpitas Hills
Untitled from Anand Rajasekar on Vimeo.
Tomcat Initializing Servlet Twice
A web application is configured using tomcat’s server.xml and the context.xml. There some configurations that cause web applications to initialize twice like
Duplicate definition of context in context.xml and server.xml
Bugs in tomcat launchers for eclipse that create duplicate context definitions
Duplicate definition of contexts when defining multiple hosts
In my case I had a proper definition of the [...]
Three makes it perfect
Sometimes creating a collage of similar photographs adds a stunning effect. Here are three photographs of Aradhana stacking blocks.
Photographing Running Children
Capturing a sharp photograph of a running child can be quite a challenge. Canon has a focusing mode called AI Servo that makes focusing moving objects very easy. This mode uses the auto focus motor to continuously focus on the object in the center of the view finder.
This photograph was taken with my Digtal [...]
Java Serialization Versioning with Externalizable
Java Serialization is a easy way to persist the state of Java Objects. However if the structure of the class changes the serialized bytes is invalidated by the changes. This article suggest how one could implement serialization with Externalizable with support for versions.
Consider a simple java class
public class SimpleObject implements Serializable {
[...]