Google translator introduces Malayalam

Google has added translation service for Malayalam language also. Using this facility you can translate text from all other language supported by google translator to Malayalam and vice versa. . Google provides this facility in their site https://translate.google.co.in/ . I t will be an easiest tool to learn languages

It help you to type either in Malayalam or in another language and translate it. It allows the user to contribute their own translations to improve the output.

TCExam - an Open Source Computer-Based Assessment system

TCExam is an Open Source system for electronic exams (also know as CBA - Computer-Based Assessment, CBT - Computer-Based Testing or e-exam) that enables educators and trainers to author, schedule, deliver, and report on quizzes, tests and exams. It is developed and supported by Tecnick.com LTD

Following are the features of TCExam

•     Open Source Software
•     Community support
•     Platform Independent
•     No expensive hardware requirements
•     Internationalization (I18N)
•     Accessibility and Usability
•     Data Import and Export
•     Rich Content
•     Unique test
•     Paper Testing with Optical Character Recognition (OMR)

It is developed using PHP for scripting and MySQL / PostgreSQL as back-end database server. Its simple and interactive installation script will provide a wizard for easy installation. It can be setup on  XAMPP, WAMP or MAMP,  or you can configure after setting up either Apache web server  or Microsoft's IIS, and MySQL or PostgreSQL server on your system.

 TCExam and  required software can be downloaded by following the links

• TCExam
• XAMPP
• WAMP
• MAMP

How to pass variable number of arguments to a function in PHP?

In certain cases, you may require to pass different number of arguments to a function in PHP scripts. Let us consider a case where you want to calculate average of a set of values using a function. Number of values in the set may vary in each call to the function. PHP provides a mechanism to pass different number of arguments to a function and process the arguments from the function by using the following functions.

func_num_args() - Returns the number of arguments passes to the function

func_get_args() - Returns the arguments passed to the function as an array

func_get_arg($arg_num) - Returns the argument at the $arg_num th position or index . Starting index is 0.

You can see the PHP implementation of the above problem here.

Which are the top 10 websites in the world?

As per alexa (www.alexa.com) ranking www.google.com, worlds No. 1 search engine, is the top ranked website in the world. Second place goes to www.facebook.com, the new generation social media website.

Here is the list of top 10 websites of the world as per the records of www.alexa.com.

 

How to apply alternate background color for rows of an HTML table using CSS

In some cases you may want to apply alternate background color for each row of an HTML table.Using CSS3 it is easy to apply alternate color for rows in an HTML table.

Create styles using CSS3 and specify background color by using nth-child(even) and nth-child(odd) selectors.

You can see the CSS3 implementation of the above problem here.

How to apply alternate background color for rows of an HTML table using PHP Script

In some cases you may want to apply alternate background color for each row of an HTML table. Using a simple script you can solve the problem. You can just apply one color for every odd row and apply another color for every even row. Check whether current row is even or odd by using a rowcount variable and check the result of rowcount mod 2  (ie. rowcount % 2) is 0 or not and change the value of background color attribute accordingly.

If rowcount % 2 is 0 then it is a even row and apply one color for that, other wise it is odd row and apply another color.

  $bgcolor = "#ffffff";
   if ($i % 2 == 0)
              $bgcolor = "#ECD23F";

You can see the PHP implementation of the above problem here.

Content Management System (CMS)

A Content Management System (CMS) is a web application that makes creation and management of websites very easy by making creation, modification, organization of content and publishing the website on a public or private web server.  CMSs provide a central interface to manage the website. Such systems of content management make easy handling of workflow in a collaborative environment.

Some popularly used CMSs are:

    WordPress
    Joomla
    Drupal
    Plone

How to upload a file using PHP script

In this article let us discuss how to upload a file to a web server using PHP script. It is implemented as a function in this example in upload.php file. To upload a file, you have to create an HTML form with a file input control by using the input tag like this: "<input type=file>". 

While creating the HTML form, enctype attribute of the form should have the value "multipart/form-data". So the form tag will be like this:

<form action="upload.php" method="post"  enctype="multipart/form-data">

HTML code to crate the form

<form action="upload.php" method="post" autocomplete="off" enctype="multipart/form-data">

        <table align="center" width="100%">

           

            <tr bgcolor="#ababee">

                <td colspan="2" align="center"><h2>Upload your file</h2></td>

            </tr>

            <tr>

                <td >Select file to upload</td>

                <td ><input type="file" name="file" id="file" style="left:0;">               

                </td>

            </tr>   

                          

           

            <tr>

                <td colspan="2">               

                <input type="submit" name="upload" value="Upload">

                </td>

            </tr>                

           

        </table>       

   </form>