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Saturday, April 17, 2010

Introduction: Elevator Pitch1

Introduction: Elevator Pitch1

Hello, my name is Vaibhavi Jani. I am pursuing in Master of Information Technology. In my BlogSpot include various topics regarding to e-commerce infrastructure development. Firstly, an E-commerce, distributed application gives the guideline of the architectures, models, methods and technologies that can be useful for the client server system. E-commerce models are mostly useful for communication and networking, internet and mobile E-commerce, client/server architecture. Some services are provided by the organization such as online merchant account facilities, online shopping, and instant update. Secondly, Clients, servers and distributed paradigms, it includes client server types like file servers, databases services, transaction services, object servers, web application servers. Distributing parts of an information system across many computer systems and locations has been called distributed computing. Thirdly, database servers, it includes various types of database servers like flatefile, relational database, object oriented OODBMS. It also mention about 2 and 3 tier of database models. Fourthly, common gateway interface it make completely dynamic HTML documents by the use of small programme. It requires interpreter or compiler. Finally, XML – eXtensible Markup Language is used to define the syntax of markup language. It is subset of SGML. On the other way, in workshop1 it describes CSS basic information. It tells about what is CSS and how its work? Workshop2 it describe how to implement CSS through use of Id and Class. Workshop3 define three types of style sheet generally using in HTML page. Example is without CSS is in Workshop4. Related to example 4 in workshop5 it display with CSS. At the end there is one example regarding text alignment.  
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Thursday, April 15, 2010

Workshop 6: Example of Text Alignment


Text Alignment
This example is about how you can gives alignment of your website. It’s very easy to use alignment of your paragraph.
<html>
<head>
<style type="text/css">
h1 {text-align:center;}
p.date {text-align:right;}
p.main {text-align:justify;}
</style>
</head>

<body>
<h1>CSS text-align Example</h1>
<p class="date">April, 2010</p>
<p class="main">This subject is about to learn basic function of HTML,CSS and PhP. This subject gives me a lots of idea about infrastructure development of E-systems </p>
<p><b>Note:</b> Try to resize the browser window to see how justify works.</p>
</body>

</html>

After Resize the page the output is:





Reference

http://www.w3schools.com/css/css_examples.asp
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Workshop 5: Example with CSS

ITC594 Study Guide A2005
Example with CSS
<html>
<head>
<style type="text/css">
body
{
background-color:#d0e4fe;
}
h1
{
color:orange;
text-align:center;
}
p
{
font-family:"Times New Roman";
font-size:20px;
}
</style>
</head>

<body>

<h1>CSS example!</h1>
<p>ITC594-E-systems Infrastructure Development.</p>

</body>
</html>



The Output of this Example with CSS:
          In the first example you can see the HTML code without CSS. CSS can enable appearance and site layout of the pages. In the second example you can find the differences.
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Workshop 4: Examples without CSS

ITC594 Study Guide A2005
Example without CSS

ITC594 Study Guide A2005
ITC594 Study Guide A2005

<html>
<body>
 <h1>HTML example!</h1>
<p>ITC594-E-systems Infrastructure Development</p>
<p>Cheess!!!!!!!!!</p>
</body>
</html>



This example is display only title of HTML example and in another line display ITC594-E-systems Infrastructure Development. Next line it display Cheess!!!!!! 
The Output of this example is blow:






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Workshop 3: Types of Style Sheet


1.    Internal style sheet
It is mainly used when a single documents has unique style. It defines in head section of the HTML page, by using the <style> tag.


Example
<head>
<style type="text/css">
hr {color:sienna;}
p {margin-left:20px;}
body {background-image:url("images/back40.gif");}
</style>
</head>
2.    External Style Sheet
              It is applied to many pages. You can change the look of the entire web sites. Each page must link to the style sheet using the <link> tag. The <link> tag goes inside the head section. The style sheet must be saved in .css form.
Example
<head>
<link rel="stylesheet" type="text/css" href="mystyle.css" />
</head>

3.    Inline Style
               To use inline styles you use the style attribute in the relevant tag. The style attribute can contain any CSS property.
Example
<p style="color:sienna;margin-left:20px">This is a paragraph.</p>

Reference

http://www.w3schools.com/css/css_howto.asp
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Workshop 2: CSS-Class Id and Class


CSS Id and Class
           The Id is used to specify a style for a single, unique element.
          The id selector uses the id attribute of the HTML element, and is defined with”#".
Example
#para1
{
text-align:center;
color:red;
}
The class sector is most often used on several elements.
The class selector uses the HTML class attribute, and is defined with a "."
Example
.center
 {
text-align:center;
}
The example is about p element with the class = “center”, will gives you central-aligned.
p.center
{
text-align:center;
}
Reference

http://www.w3schools.com/css/default.asp

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Workshop1: CSS Basic Information


Basic CSS Information
·       CSS stands for Cascading Style Sheet
·       It is basically design for how to display HTML elements
·       External style sheets can keep a lot of work
·       External style sheets are stored in CSS files

CSS Syntax
A CSS rule has two main parts: a selector, and one or more declarations:
The selector is normally the HTML element you want to style.
Each declaration consists of a property and a value.
The property is the style attribute you want to change. Each property has a value.
  Reference

http://www.w3schools.com/css/default.asp
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Wednesday, April 14, 2010

Exercises Topic5: eXtensible Mark-up Language


Topic5: eXtensible Mark-up Language
XML (Extensible Markup Language) is a set of rules for encoding documents electronically. It is markup language like HTML. It was mainly design to carry the data. The tags of XML are not be defined. You have to define by own.
Difference between XML and HTML

  • XML was designed to transport and store data, with focus on what data is.
· HTML was designed to display data, with focus on how data looks.
Attributes
· Provide extra information about elements.
· Placed inside the starting tag of an element.
· Always come in name/value pairs.
· Example dog ID attribute
GrisWald

Entities
The following entities are predefined in XML:
Entity Character
< <
> >
& &
" “

HTML



HTML, which stands for HyperText Markup Language, is the predominant markup language for web pages.



Basic Format



Now we are able to start learning about HTML tags. An HTML tag will always begin with a "less than" sign, like this: <. The tags will end with a "greater than" sign, like this: >. An example would be the tag used to underline text, <u>. You would place this before the text you want to underline. This is called an opening tag, which begins the operation you wish to perform. In order to end the underlining, you must use a closing tag. A closing tag will be the same as the opening tag, but will have a forward slash before the command, like this: </u>. So, if you would like to underline the phrase "HTML Rules!", you would write the following in your text editor:

<u>HTML Rules!</u>

The result of this would be:

HTML Rules!

Reference

Ince, D. (2004). Developing distributed and e-commerce applications (2nd ed.). Harlow,Essex, UK: Addison-Wesley.
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Exercises Topic4: Common Gateway Interface


Topic 4: Common Gateway Interface
Common Gateway Interface
It is standards for the creation of dynamic HTML documents with the use of external small programs. To run the programmed CGI needs interpreter or compiler. It can also be used for secure website for transaction process like ordering some gift for your friends.
Common Gateway Interface Demonstration
1. Flat file system

Usually the python CGI Script runs at the Flat file system
2. Environment Variation
Exercise has been display at ZOPE using the local python script.

Reference  

Ince, D. (2004). Developing distributed and e-commerce applications (2nd ed.). Harlow,Essex, UK: Addison-Wesley.
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Exercises Topic3: Database Server


Topic3: Databases Server
Type of Databases
1. Flatefile
· It is just a text file
· suits applications that want the database to function like a rolodex
2. Relational DBMS
· It has advantages of “one to many” between two tables
· Communication data sources uses ODBMS/SQL
3. Object-oriented OODBMS
· Object oriented model has data objects which are encapsulated by classes that have predefined characteristics
· Data are accessible only through messages which they recognize
· ZOPE uses an OODBMS inside its core
Two and Three tier databases
2-tier Databases model: data tightly bound with stand alone application.
3-tire Databases: more popular for business. It mainly used for Database backend is an ERD (Enterprise Relational Database) such as Sybase or Oracle.
Advantages:
1. Load distribution
2. Transparency
3. The ease of building custom application
4. Security controlled at the middleware layer

Disadvantages


1. Increased rolling resistance


2. Less control and traction at higher speeds


3. developing a host application is take long time


Reference

Ince, D. (2004). Developing distributed and e-commerce applications (2nd ed.). Harlow,Essex, UK: Addison-Wesley.
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