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Getting Wireless to work on Lenovo Thinkpad T400 with Ubuntu 10.4 Lucid

I struggled for a while to get my wireless card work after installing / upgrading Ubuntu on my T400 Thinkpad.

My T400 came with wireless card : Realtek Semiconductor .

To get it working, I followed these steps :

1- Open nautilus

sudo nautilus

2- Browse to /lib/modules/

3- Search for any rtl8192se and remove them

4-Download the drivers from Realtek website (Search for RTL8192SE)
Click to go to Realtek Website

5- Install the drivers

sudo apt-get install build-essential linux-source-2.6.32
tar -xzvf rtl8192se_linux_2.6.0015.0127.2010.tar.gz
cd rtl8192se_linux_2.6.0015.0127.2010
sudo make
sudo su
make install
modprobe r8192se_pci

6- Reboot and it should be working out of the box.

Why using PHP ?

PHP is one of the most popular server side scripting languages running today. It is used for creating dynamic WebPages that interact with the user offering customized information. PHP offers many advantages; it is fast, stable, secure, easy to use and open source (free).

Rasmus Lerdorf wrote the first PHP (first called Personal Home Page) scripts as a series of Perl scripts that he used to track visitors to his webpage and to see who was viewing his resume. He eventually rewrote PHP as a scripting engine and added support for forms. PHP has been evolving since 1994 as an open source code. A community of followers and developers formed and began using and further developing PHP. Over the years the Personal Home Page acronym was dropped and it evolved into the PHP Hypertext Preprocessor.

PHP code is inserted directly into the HTML that makes up a website. When a visitor comes to the website, the code is executed. Because PHP is a server side technology, the user does not need any special browser or plug-ins to see the PHP in action.

The beauty of PHP lies in its simplicity. It is easy to understand and learn, especially for those with backgrounds in programming such as C, JavaScript and HTML. The language is similar to C and Perl so that anyone with a background in either C or Perl programming will feel comfortable using and understanding PHP. PHP also runs on just about every platform including most UNIX, Macs and Windows versions.

PHP doesn’t use a lot of the system resources so it runs fast and doesn’t tend to slow other processes down. It is typically used as an Apache module, written in C, so it loads and executes quickly. It works well with other software and can be quite fast. PHP is also stable and since it is open source, the PHP community works together to fix any bugs. The community offers technical support and continuously updates the code further expanding PHP’s capabilities.

PHP offers many levels of security to prevent malicious attacks.

Another key advantage of PHP is its connective abilities. PHP uses a modular system of extensions to interface with a variety of libraries such as graphics, XML, encryption, etc. In addition, programmers can extend PHP by writing their own extensions and compiling them into the executable or they can create their own executable and load it using PHP’s dynamic loading mechanism.

In addition to extensions, PHP has tons of server interfaces, database interfaces and other modules available. Of the server interfaces, PHP can load into Apache, Microsoft IIS, Roxen, THTTPD and AOLserver. It can also be run as a CGI module. Database interfaces are available for MySQL, Microsoft MS SQL, Informix, Oracle and plenty of others. If a database is not supported, ODBC is an option.

The main PHP source repository is loaded with modules and interfaces that users have written and contributed. There you can find modules for flash movies, PDF files, calendars and more.

A huge advantage that PHP offers is its community. Since PHP is an open source project, the PHP community is willing to share.

PHP is the best choice for developing WebPages & Intranet applications, it is compatible with any database, and web servers, and integrates well across many platforms and with various software
programs.

Below is a diagram from Oracle.com comparing between PHP & ASP.net

oracle-comparison
For the above reasons this is why i choose and recommend for you PHP as its primary language for Web Space & Intranet Applications.

Links:
www.php.net – The official PHP website
www.zend.com – The PHP Company
Framework.zend.com – Zend framework
www.zendcon.com –  Zend Conference Official website

Smart Debugging with Zend Framework

Sometimes your clients report to you Errors you have never experienced while testing your web application, or broken links, or some errors that occurs under some scenarios that you didn’t apply.

There is a smart trick i do in the ErrorController in my Zend Framework applications, i make the application send me the same error it displays to the user direct to my email, so i can know under what circumstances and conditions that error occurred.

The sweet thing is that when google bot or any search engine crawls my websites, they find some errors also, errors that i and the client didn’t reach, so i get the chance to fix it before any body see it.

I also sometimes disable viewing the error message and display “Some errors has occurred and the support has been notified, sorry for the inconvenience” and provide a link to go to Homepage for example.

Below is the code i have in my ErrorController :

    $errors = $this->_getParam('error_handler');
        switch ($errors->type) {
            case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_CONTROLLER:
            case Zend_Controller_Plugin_ErrorHandler::EXCEPTION_NO_ACTION:
                // 404 error -- controller or action not found                
                $this->getResponse()->setRawHeader('HTTP/1.1 404 Not Found');
                $this->view->title = 'HTTP/1.1 404 Not Found';
                break;
            default:
                // application error; display error page, but don't change                
                // status code
                $this->view->title = 'Application Error';
                break;
        }
        $body = 'HTTP/1.1 404 Not Found' . "
"; $body .= $errors->exception . "
"; $body .= "IP Address: " . $_SERVER['REMOTE_ADDR'] . "
"; $body .= "User Agent: " . $_SERVER['HTTP_USER_AGENT'] . "
"; $body .= "Lang: " . $_SERVER['HTTP_ACCEPT_LANGUAGE'] . "
"; $body .= "Referer Link: " . $_SERVER['HTTP_REFERER'] . "
"; $body .= "Requested URL" . $_SERVER['REQUEST_URI'] . "
"; $mail = new Zend_Mail(); $mail->setBodyHtml($body); $mail->setFrom('support@somesite.com', 'Website Support'); $mail->addTo("ahmed.abdelaliem@mysite.com.com", "Ahmed Abdel-ALiem"); $mail->setSubject('Sitename Error Occurred'); $mail->send(); $this->view->message = $errors->exception;