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User Level Threads

Srijith R — Sun, 09 Oct 2011 07:57:48 +0000

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 [c] #includ ...

Service Engineer/System Administrator Interview Questions

Srijith R — Fri, 30 Sep 2011 21:48:37 +0000

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 up ...

Installing Django on Dreamhost

Srijith R — Thu, 09 Jun 2011 08:27:36 +0000

Installing Django in Dreamhost and getting it to run wasn't straight forward at-least to me. There was lot of issues such as python bin directory not accessible as its shared and so. So the initial step in this to setup python yourself so that you can ...

Display row number in Mysql Select Query

Srijith R — Tue, 17 Aug 2010 22:54:07 +0000

How many times did want to have the row number or the position of the row in the selected query? I had many cases where I needed this feature. I needed the feature for printing the rank of a person where each row is the mark of the person. So lets see how ...

Auto Away Notifier for Pidgin in Perl

Srijith R — Mon, 16 Aug 2010 10:05:22 +0000

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 hav ...

Display Reminders In Gnome Panel

Srijith R — Sat, 14 Aug 2010 20:40:29 +0000

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 thi ...

Find Invisible Users In Gmail

Srijith R — Wed, 11 Aug 2010 05:03:38 +0000

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 ...

Reminder for Gnome Panel

Srijith R — Mon, 09 Aug 2010 15:34:17 +0000

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 [ ...

Simplest way to remove trailing zeros of decimal numbers

Srijith R — Sun, 08 Aug 2010 15:07:16 +0000

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 ...

Generate Date from a range in Mysql and pad the results where no date is present

Srijith R — Sun, 25 Jul 2010 10:35:03 +0000

If you want to generate dates, MYSQL doesn't have a range function, so I wrote a work around for the same. So how it works is I have reused a code to generate numbers from my previous post. So I added date function to that query and reduce the generated ...