This Is How Microsoft Mouse Looks Like

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Uninstall Windows- Funny Pic

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Installing SWI-Prolog In Ubuntu

SWI-Prolog is a free interpreter available for logical language Prolog. In order to practice Prolog in ubuntu(or linux), you need to install SWI Prolog in your system. SWI-Prolog is available for all major linux flavours for installation from the repository.

To install SWI-Prolog in ubuntu or debian based systems, type the following command in the terminal:

sudo apt-get install swi-prolog

To run swi-prolog, open the terminal and type swipl to get to interactive prolog interpreter. Your prolog code must be saved with the extension .pl and to run the prolog file(which is known as consulting in case of prolog), cd to the respective directory, run the swipl and run the file by typing [filename]. and be sure to include the dot(.) and make sure you don't miss those big square braces.

To exit swi-prolog, type halt and press ENTER.

If you want to read the manual of SWI Prolog, open the browser and type in the address bar the address as file:///usr/lib/swi-prolog/doc/Manual/index.html and you can read reference manual.

I hope this makes a quick guide for installing and running swi-prolog in linux or more specifically ubuntu.


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Programmersheaven.com Persistent XSS Vulnerability

A very very popular website that provides resources to the beginner, intermediate and advanced programmers, www.programmersheaven.com suffers from persistent XSS vulnerability which is very critical.

Original credits for finding the flaw goes to Learn3r aka DaNePaLI who suggested me the vulnerability and gave permission to mail it to the programmersheaven.com team.

Check the URL http://www.programmersheaven.com/download/40665/download.aspx to see the vulnerability in action.

Screenshot:

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Amazing Reason For Using Open Source Software

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My Blog's Header Menu HTML and CSS Source

Here I am sharing my shitty simple design of my top menu in the header I've updated recently. If you like, you can use it for your blog as well. If you want to customize some part of it, you can do easily. I recommend playing around with color combinations.

CSS Of Header Menu:

#menubox
{
    width: 100%;
    background: #2e2e2e;
    height: 36px;
    font-weight: 14px;
}

ul#mynav
{
    list-style: none;
    padding: 7px 5px 0px 5px;
}

ul#mynav li
{
    display: inline;
    border: 0px;
    background: #333;
    margin-left: 0.5px;
    margin-right: 0.5px;
    padding: 8px 10px;
}

ul#mynav li a
{
    text-decoration: none;
    color: #ccc;
    font-weight: bold;
}

ul#mynav li a:hover
{
    text-decoration: underline;
    color: #eee;
}

The CSS entities are kept inside the <b:skin> and ]]></b:skin> so you have to paste all these CSS inside them. If you are confused, search for ]]></b:skin> and then paste all the above CSS codes before it.

HTML Part for menu:

<div id="menubox">
<ul id="mynav">
<li><a href="#" title="">Link 1</a></li>
<li><a href="#" title="">Link 2</a></li>
<li><a href="#" title="">Link 3</a></li>
<li><a href="#" title="">Link 4</a></li>
<li><a href="#" title="">Link 5</a></li>
</ul>
</div>

First edit the HTML code as per your need and then search for <b:section class='header' id='header' and you need to figure out where to post the HTML. I had a separate div where I could insert these HTML codes but your blogger template might be different so I leave this for you to figure out. Just paste in the header area and then preview to see how it looks. I can't exactly pinpoint you on what to do exactly, just keep on previewing till you get what you need. I've pasted mine one just below the </b:section>.

This way, you can simply insert the HTML and CSS based navigation menu for your blogger blog. I hope the information proves helpful.



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Install LibreOffice In Ubuntu 10.04 or 10.10

The older 10.x versions of ubuntu, 10.04 Lucid Lynx and 10.10 Maverick Meerkat have openoffice.org and I wanted to install libreoffice for my friends in Lucid Lynx. This How To explains how to install libreoffice in ubuntu 10.04 and ubuntu 10.10 using PPA.

First, we have to remove openoffice in case it is installed. Its better to purge the openoffice.org installation with the following command.

sudo apt-get purge openoffice*.*

Now lets add the Libreoffice PPA repository with the following command.

sudo add-apt-repository ppa:libreoffice/ppa

Now we need to update our package information for which you have to issue the following update command.

sudo apt-get update

Now we are ready to go for installation of libreoffice. Type one of the following commands according to your desktop environment.

For Gnome Users:

sudo apt-get install libreoffice libreoffice-gnome

sudo apt-get install libreoffice libreoffice-kde

This completes your job for installation of the libreoffice. Now leave for package download and you can access the tools from Applications -> Office.

About PPA(Taken from Launchpad
Using a Personal Package Archive (PPA), you can distribute software and updates directly to Ubuntu users. Create your source package, upload it and Launchpad will build binaries and then host them in your own apt repository.

That means Ubuntu users can install your packages in just the same way they install standard Ubuntu packages and they'll automatically receive updates as and when you make them.


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Epub Reader Within Firefox Without Any Other Software

There is a very very useful firefox addon EPUBReader which allows you to read the .epub files from within the firefox without any need of installing other softwares. Personally I've loved this add-on very much since its simple and works really great.

About the add-on

If you click on a link to an ePub file, you are normally prompted with the Firefox save dialog.

With EPUBReader installed, you don't see the dialog. EPUBReader downloads the file, makes some processing and displays the ePub file ready to read! If you have got already downloaded ePub-files, you can read them by using the Firefox "File/File open" dialog.


Install EPUBReader For Firefox.


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