Posts

Find Invisible Users In Gmail

Finding who is invisible is something that I always wanted to do.It’s always fun to ping a person who feels none can see him/her online. While studying XMPP protocol I found out that even when the person is offline the chat client knows that person is onli …

Simplest way to remove trailing zeros of decimal numbers

This is a simple method I found to remove or strip trailing zeros of a decimal number. The function accepts the decimal number and return the trimmed value back. It removes all the redundant zeros in the number after the decimal point and if no number othe …

Service Engineer/System Administrator Interview Questions

This is not my code alone.  It was the group effort of Vivek Ram, Cijo George, Sandeep Unni and mine during our epic preparation for Yahoo!. I am just putting it open for others who would be looking for this information. Convert all lower case to upper  …

Display Reminders In Gnome Panel

It was a long standing requirement of mine to create a reminder software or something which can keep me reminding of things as I always keep forgetting things. So I made a reminder that displays my reminders on the Gnome Panel. It looks something like this …

Auto Away Notifier for Pidgin in Perl

Whenever I am away from laptop my chat buddies leave me lots message and finally lots of “You there???”. So I thought of making a script that would inform my buddies that I am away when someone sends me a message. This method works with Pigin API. I have  …

Backend For Panel Reminder

I had already posted about creating a Display Reminders In Gnome Panel. This post is an addition to that script. This is a backend script that writes what to print into the panel_remind file. I use this script to print Birthday Reminder and Things to remem …

Reminder for Gnome Panel

This is the program that lets us to enter the text and time at which it should be reminded me. The command has the following options -d: date eg:  17/3/2009 -t : time [ It’s should be entered as 24hr clock] eg:   20:00:00 -r : reminder text [ It sho …

User Level Threads

User level threads is created for light weight threads. It needs to be controlled, context switched and swapped by the process. To the Operating System it is only one process without any threads. Here is one implementation of it: q.h





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Pass cookie from script to firefox

I had a requirement to get firefox to open a logged in page in firefox. I used it for automated opening of some logged in pages. But there is another use for it. It can be used for opening mail or any other site that needs to be logged in. The only issue,  …

Automatic Command Archive

The default command storing size of ubuntu is 500 commands. It stores the commands in home folder in the file “.bash_history” . The problem is 500 commands is too short of a size. One method is to increase the command size to a large value by changing the  …