Java time resolution

I am writing a Java program to run psychology experiments. Since this is a generic program that may be configured for running some reaction time (RT) experiments, I am worried about the time resolution of Java. It turns out that I don't need to worry too much, except on Windows …

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"txt2tags: a Lightweight Document Authoring Format"

txt2tags

Fresh ideas often pop up when one is not working, e.g. while in shower or in bed. When that happens, one needs to jot them down fast. Of course, a piece of paper and a pen is still the best solution in term of speed. However, if a computer …

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Editing Web Textarea with Desktop Editor

Nowadays we do a lot of text input on the Web, like posting on forums, filling out a support request form, commenting on someone's blog, etc. Although Web forms often offer a variety of so-called rich text editing capabilities, nothing beats the good old desktop editors. For a vim person …

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Firefox Hangs

Although Firefox is considered very safe and stable, it sometimes hangs. In the past, when it hung, my solution was to remove the whole ~/.mozilla/firefox directory. It worked every time (reinstalling Firefox doesn't help). Of course, I would always backup my bookmarks.html and other files under the chrome …

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An Mac Look for my KDE Desktop

Although I have never laid my hands on an Apple computer, I have seen people going crazy about them. I remember seeing some kids shouting hysterically in front of Apple store on the release day of Tiger a few years ago. The user interface of Apple's OS is said to …

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Use Vim as Info Page Browser

In this post, I set up vim as a manual page viewer, using ManPageView plugin. It turned out that the same plugin can be used to view info pages as well. All one needs to to is to add ".i" suffix to the command that you are seeking help on …

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kmail hangs due to missing loopback interface

My /etc/network/interfaces got deleted when I removed mepis-network package. Everything was fine, except that kmail would hang since IP address 127.0.0.1 doesn't exist. It took me half an hour to figure it out. Had to create the file with these lines in it:

auto lo …
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Post syntax highlighted code in Drupal

You may have seen that I sometimes post code here. Wouldn't it be nice if all the code are syntax highlighted, like what we see in a text editor? Well, with the help of Vim, it's easy. Vim is bundled with a "2html" script, that can turn whatever shown in …

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Set mailto handler in Firefox

In order to click "mailto:" links on Web pages to launch an email program, Firefox (or Iceweasel on Debian) needs to be told which email program to use.

To do this, type "about:config" in Firefox's address bar, type in "mailto" in filter, look if "network.protocol-handler.external.mailto" preference …

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Dual head with xrandr 1.2 revisited

In this post, I discussed "clone" mode of dual head with xrandr 1.2. Now I got an extra monitor, and would like to use "xinerama" mode, wherein the built-in laptop LCD and the external monitor share a single virtual screen.

To set this up, I changed my /etc/X11 …

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Regular Web sites coexist with Drupal sites

This site is primarily powered by Drupal, i.e. it is a PHP site. However, we have a few Web directories that serves regular HTML pages. Since I installed Drupal in document root, access to these directories becomes an issue.

The main problem is that directory index file resolution is …

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Complete OpenSSH Client Public Key Solution on Debian

My work requires me to connect to many different SSH servers, and I have different passwords for each server. It's a pain in the neck trying to type in many different passwords everyday. The obvious solution is to use OpenSSH's public key login solution, so passwords are no longer needed …

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Use Vim to read manual page

Command line manual page is an indispensable tool for working with Linux system.If you forget how to use a command, just type man followed by the name of the command. One thing I don't like about the manual system on my Debian sid is that it uses most to …

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Running Windows Vista on Debian Linux with VirtualBox

All of my laptops are now running Debian based Linux. It works great. Linux handles all my daily works well. However, there are occasions where I need a Windows machine. For example, I recently need to deliver a lecture on a system that runs only on Windows. Also, in the …

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