In the beginning Windows' registry consisted of two files totalling around 5mb in size. Today it consists of at least 12 files with the Software file itself being 30mb or bigger in size. As the size of the registry has exploded, so has the trash and clutter in it. It may seem like a daunting task, but cleaning the registry properly can fix system problems, speed your computer up, and make it run more efficiently.
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Friday, March 13, 2009
Wednesday, March 11, 2009
Introducing PHP and MySQL
Unless you've been living on Mars for the last six to eight months, you've heard of open source software
(OSS). This movement has got so much momentum that even the big boys are taking notice. Companies
like Oracle, Informix, and a host of others are releasing their flagship database products for that poster
child of the OSS movement, Linux.
Having a massively complex RDBMS (relational database management system) is all well and good if you
know what to do with it. But perhaps you are just getting into the world of databases. You've read Jay's
article and you want to put up your own data-driven Web site. But you find you don't have the resources
or desire for an ASP server or some pricey database. You want something free, and you want it to work
with Unix.
Enter PHP and MySQL. These two make up what must be the best combination for data-driven Web sites
on the planet. You needn't take my word for it. An unofficial Netcraft survey shows that PHP usage has
jumped from 7,500 hosts in June 1998 to 410,000 in March 1999. That's not bad. The combination was also
awarded Database of the Year at Webcon98, where it received a lovely tiara.
MySQL is a small, compact database server ideal for small - and not so small - applications. In addition to
supporting standard SQL (ANSI), it compiles on a number of platforms and has multithreading abilities on
Unix servers, which make for great performance. For non-Unix people, MySQL can be run as a service on
Windows NT and as a normal process in Windows 95/98 machines.
PHP is a server-side scripting language. If you've seen ASP, you'll be familiar with embedding code within an
HTML page. Like ASP, PHP script is processed by the Web server. After the server plays with the PHP code,
it returns plain old HTML back to the browser. This kind of interaction allows for some pretty complex
operations.
In addition to being free (MySQL does have some licensing restrictions though), the PHP-MySQL
combination is also cross-platform, which means you can develop in Windows and serve on a Unix platform.
Also, PHP can be run as an external CGI process, a stand-alone script interpreter, or an embedded Apache
module.
If you're interested, PHP also supports a massive number of databases, including Informix, Oracle, Sybase,
Solid, and PostgreSQL - as well as the ubiquitous ODBC.
PHP supports a host of other features right at the technological edge of Internet development. These
include authentication, XML, dynamic image creation, WDDX, shared memory support, and dynamic PDF
document creation to name but a few. If that's not enough, PHP is easy to extend, so you can roll your
own solution if you're programming savvy.
Finally, since both efforts are collaborative in nature, there's always plenty of support from documentation
and mailing lists. Bugs are fixed rapidly, and requests for features are always heard, evaluated, and if
feasible, implemented.
Enough talk! Let's go over what we're going to cover in this tutorial.
Lesson 1 is going to cover the installation of these products on both Unix and Windows systems. If you
don't need to worry about that (you're working on your ISP's machine, perhaps), jump right to the first
example scripts, where the magic starts.
In Lesson 2 we'll look at some more complex scripting goodies, including looping, form input, and sending
data from and to the database.
Lesson 3 will cover validation and techniques for making your PHP scripts smart and clean.
Let's roll.
(OSS). This movement has got so much momentum that even the big boys are taking notice. Companies
like Oracle, Informix, and a host of others are releasing their flagship database products for that poster
child of the OSS movement, Linux.
Having a massively complex RDBMS (relational database management system) is all well and good if you
know what to do with it. But perhaps you are just getting into the world of databases. You've read Jay's
article and you want to put up your own data-driven Web site. But you find you don't have the resources
or desire for an ASP server or some pricey database. You want something free, and you want it to work
with Unix.
Enter PHP and MySQL. These two make up what must be the best combination for data-driven Web sites
on the planet. You needn't take my word for it. An unofficial Netcraft survey shows that PHP usage has
jumped from 7,500 hosts in June 1998 to 410,000 in March 1999. That's not bad. The combination was also
awarded Database of the Year at Webcon98, where it received a lovely tiara.
MySQL is a small, compact database server ideal for small - and not so small - applications. In addition to
supporting standard SQL (ANSI), it compiles on a number of platforms and has multithreading abilities on
Unix servers, which make for great performance. For non-Unix people, MySQL can be run as a service on
Windows NT and as a normal process in Windows 95/98 machines.
PHP is a server-side scripting language. If you've seen ASP, you'll be familiar with embedding code within an
HTML page. Like ASP, PHP script is processed by the Web server. After the server plays with the PHP code,
it returns plain old HTML back to the browser. This kind of interaction allows for some pretty complex
operations.
In addition to being free (MySQL does have some licensing restrictions though), the PHP-MySQL
combination is also cross-platform, which means you can develop in Windows and serve on a Unix platform.
Also, PHP can be run as an external CGI process, a stand-alone script interpreter, or an embedded Apache
module.
If you're interested, PHP also supports a massive number of databases, including Informix, Oracle, Sybase,
Solid, and PostgreSQL - as well as the ubiquitous ODBC.
PHP supports a host of other features right at the technological edge of Internet development. These
include authentication, XML, dynamic image creation, WDDX, shared memory support, and dynamic PDF
document creation to name but a few. If that's not enough, PHP is easy to extend, so you can roll your
own solution if you're programming savvy.
Finally, since both efforts are collaborative in nature, there's always plenty of support from documentation
and mailing lists. Bugs are fixed rapidly, and requests for features are always heard, evaluated, and if
feasible, implemented.
Enough talk! Let's go over what we're going to cover in this tutorial.
Lesson 1 is going to cover the installation of these products on both Unix and Windows systems. If you
don't need to worry about that (you're working on your ISP's machine, perhaps), jump right to the first
example scripts, where the magic starts.
In Lesson 2 we'll look at some more complex scripting goodies, including looping, form input, and sending
data from and to the database.
Lesson 3 will cover validation and techniques for making your PHP scripts smart and clean.
Let's roll.
Saturday, March 7, 2009
OBJECTIVES OF A WEBSITE
1. Business Objectives
- Why are you creating this website?
- New customers
- More sales to existing
- Lower advertising costs
- Lower distribution costs
- Faster Information
- Better customer service
The world is run because of the enthusiasms of individuals. Every website is to some extent an ego trip. It is going to be something you are proud of; that you can show to your friends; so that your friends will say: Wow!
The modern equivilent of the Ego Wall in your study.
It can be the only objective. Much loved by students of the modern arts. Look how clever I am! Please look at my site! Tell me I am good! The Movie Producer syndrome. But there is some real talent in this area, sometimes spoilt by slow access and over-elaboration.
But for business I hope the customer comes first, and the eye-candy takes second place to the customers needs.
This category includes all the Non-Profits. The category for all who have information on their site for others to reference, read, bookmark, learn and enjoy, and the lists of links that make the Internet possible to navigate. For Community and religious sites
The modern equivilent of the Ego Wall in your study.
It can be the only objective. Much loved by students of the modern arts. Look how clever I am! Please look at my site! Tell me I am good! The Movie Producer syndrome. But there is some real talent in this area, sometimes spoilt by slow access and over-elaboration.
But for business I hope the customer comes first, and the eye-candy takes second place to the customers needs.
This category includes all the Non-Profits. The category for all who have information on their site for others to reference, read, bookmark, learn and enjoy, and the lists of links that make the Internet possible to navigate. For Community and religious sites
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