CompTia A+ Certification - industry recognized certification for beginners

CompTia A+ Certification is a widely recognized certification.   CompTIA A+ certification validates the latest skills needed by today’s computer support professionals. It is an international, vendor-neutral certification recognized by major hardware and software vendors, distributors and resellers. CompTIA A+ confirms a technician's ability to perform tasks such as installation, configuration, diagnosing, preventive maintenance and basic networking. The exams also cover domains such as security, safety and environmental issues and communication and professionalism. CompTIA A+ ensures the right people have the right skills. While many of the essential skills are universal, there are additional skills required to support the needs of businesses. By offering certification options for specific job scenarios, CompTIA A+ gives individuals the ability to grow their careers in a certain area, and employers the flexibility to choose the exam combination that best fits their needs.
For more information click here: ABCO Technology - A+ Certification

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How do I design a database in MySQL for a Blogging website

Creating a blog website using PHP and MySQL can be rather interesting.

Assuming that you were creating a blogging site using PHP and MySQL Database.  This website would allow visitors to view new blog entries and post comments on existing blogs.  The site would display blogs in a category.  Visitiors could register and login to be able to post new blog.  Each blog entry would have a title, a body and the username of the individual posting the blog.  The first step in building a site would be to design the database in MySQL for the website.

Class Assignment from ABCO Technology:  Please design a database for the blogging website listed above.

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How do I create a login page using PHP to display incorrect login message and returns back to the page.

Class Assignment for login page:

Create a login page using PHP, to display a user login form and process the results on the same page.  The page must redirect the user to a members only page on a successful login, and return the user back to the same login page with a message saying "Incorrect username or password.  Please try again!".  The user must be able to re-enter the correct username and password.

Note:  Solution will be posted in a week.

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Page Redirection Using PHP updated

Earlier, I had asked for the entry level class of PHP students to create a Login Form and if the password is correct the user should be redirected to a members page or else the users should be redirected to the home page.  Generally we compare the login input from the user to the actual stored username and password in the database for authentication.  However, in this particular section, I'm going to hard code the password through a variable for learning purposes only.  The new thing to learn for beginners is how the form and the results can be  coded on the same page, using $_SERVER[ 'SCRIPT_NAME ' ] system global.  Here's the code for this below:


<?php

if(isset($_POST['submit'])){
$authorized = "abcotechnology";
//if statement to check the password
if($_POST['password']==$authorized){
header('Location: ProcessFileUpload.php');
} else {
header('Location: index.php');
}

}else { //else of post-submit

?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Login Form Assignment</title>
</head>

<body>
<h2> Login Page </h2>
<form name="frm_login" method="post" action="<?php echo $_SERVER['SCRIPT_NAME'];?>">
<table width="200" border="0" cellpadding="0" cellspacing="0">
    <tr>
  <td align="right"><strong> Username:</strong></td>      
        <td align="left"><input type="text" name="username" size="35" /></td>
        </tr>
            <tr>
  <td align="right"><strong> Password:</strong></td>      
        <td align="left"><input type="password" name="password" size="35" /></td>
        </tr>
       
        <tr>
        <td colspan="2" align="center"><input type="submit" name="submit" value="Login" />
        </tr>
    </table>
</form>
</body>
</html>
<?php
}
?>

Create Dynamic HTML Pages using PHP

One of the most interesting things of PHP is that it can be used on different types of operating systems including Microsoft Windows, Unix variants, RISC OS, Mac OS X, Linux and several others. Apart from this, PHP supports almost every web servers. Some of them are Microsoft Internet Information Server, Apache, Netscape, Personal Web Server, OmniHTTPd, Oreilly Website Pro server, Xitami and Caudium.

In most of the time PHP uses object oriented programming or a procedural programming for server-side scripting, writing desktop application and command line interface. However, for using PHP in a server-side scripting, one require a PHP parser, a web browser and a web server. But in this respect it should also be mentioned that PHP script could be run without a browser or a server. This type of usage is actually executed using Task Scheduler or cron. Moreover, these scripts can be used for the tasks of simple text processing.

Beside all these usages, PHP can be used for the creation of a desktop application with a graphical user interface. On the other hand, with PHP-GTK one will be able to write cross-platform applications. There is no doubt in the fact that since PHP websites have more features, they are considered to be better than the regular websites.

While discussing about PHP, it should also be mentioned that PHP allows for the outputting of PDF files, Flash movies and even images. If you want you can also output text in different forms, such as, XHTML as well as any other XML file. PHP basically auto generates those files and saves them in the file system.

PHP supports a wide variety of databases, such as, Postgre SQL, Adabas D, InterBase, FrontBase,SQLite, dBase, Empress, mSQL, Direct MS-SQL, Solid, FilePro, Velocis, Sybase, Hyperwave, MySQL, Informix, Oracle, ODBC (Open Database Connection), Unix dbm, Ovrimos and Ingress.

PHP also uses several protocols (such as, NNTP, POP3, IMAP, SNMP, HTTP, COM, LDAP). Apart from this, PHP has support for the WDDX complex data exchange between different web programming languages and instantiation of Java objects. On the other hand, for accessing and parsing XML documents, PHP 4 supports the DOM and SAX standards, whereas, PHP 5 standardizes most of the XML extensions on libxml2.

Nowadays, most of the programmers of a reputed web development company are expected to know PHP, otherwise they may face trouble while delivering quality web development services.

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