RSS

RSS Examples

RSS Examples



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RSS Interview Questions And Answers

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RSS stand for Really Simple Syndication.
Basic definition of RSS is that Simply RSS is a method which use XML to distribute web of one web site to many other web sites.

 I have given you some other main points regarding RSS.

  1. Using RSS we can perform fast browsing for news and also use to update them.
  2. Using RSS we can syndicate our site content
  3. RSS gives us an easy way to share and view headlines and content.
  4. RSS files can be updated automatically.
  5. Using RSS we use personal views for different sites.
  6. RSS is also written in XML.
 

 I have given you some main reasons to use RSS.

Suppose that if you like to check your website for new updates daily without using RSS.
So, May be it consumes more time for many users.Where wih RSS feed you can cheak your web site much faster with use of RSS aggregator.(RSS feed: RSS is often called as News feed or RSS feed.
RSS aggregator: This is an site program which is used to gathers and sorts out RSS feeds.)

Because RSS data is small and loaded very fastSo, it can easily attach with cell phones and PDA's.

Using RSS we can share data easily which is used in web site to made them much better and useful.

I have given you history of RSS in brief.Their are many versions of RSS has been released.

In 1997 Dave Winter develop scripting news.This is first born of RSS.
In 1999 Netscape develops RSS 0.90(simply XML with an RDF Header).
In 1999 Dave Winer at UserLand develops scriptingNews 2.0b1(It has also Netscape's RSS 0.90 features)
In 1999 Netscape has develops RSS 0.91.(This RSS version has no RDF header but it has other most important features from scriptingNews 2.0b1.
In 1999 UserLand gets rid of scriptingNews and uses only RSS 0.91
 Netscape has stop their RSS development.
In 2000 UserLand has release the official version of RSS called RSS 0.91 specification.
In 2000 RSS 1.0 has lunched by a group lead by Rael Dornfest at O'Reilly.This format of RSS uses both RDF and namespaces.
In 2000 RSS 0.92 developes by Dave Winer at UserLand.
In 2002 RSS 2.0 developes by Dave Winer after leaving Userland.
In 2003 The official version of RSS 2.0 specification is released.

RSS 0.91 and RSS 2.0 are two version of RSS which are much easier to understand than RSS 1.0.  

 The syntax rules of RSS 2.0 are much easy to learn and easy to use.
Syntax Rule:
1. first you have to declare XML and define XML version and uses the ISO-8859-1(Latin-1/West European) character set.
<?xml version="1.0" encoding="ISO-8859-1" ?>
<rss version="2.0">
2.Second line of syntax is RSS declaration that is use to define RSS document.
3.After that we write <channel> element tag.This tag is used to describe RSS feed.
4.To define <channel> you required three child element.These are:
4.1<title>: This tag is used to define the title of the channel.
4.2<link>: Using this tag we can define the hyperlink to channel.
4.3<description>: Using this tag we can describe the channel.
5.Each channel element may contain one or more  <item> element.
6.We use <item> element to define an article in RSS feed.
7.Also to define <item> element you have required tthese three elements.
7.1<title>: This is use to define title of item.
7.2<link>: This is use to define the hyperlink to item.
7.3<description>: This is used to write description of item.
8.After defining above tags you have to close the open tag elements <channel> and <rss>.      

Example:This example definitely explain you how to use above tags in RSS.

<?xml version="1.0" encoding="ISO-8859-1" ?>
<rss version="2.0">
<channel>
  <title>Home Page of R4R</title>
  <link>http://www.r4r.co.in</link>
  <description>Huge collection of interview questions</description>
  <item>
    <title>RSS Tutorial</title>
    <link>http://www.r4r.co.in/rss</link>
    <description>RSS tutorial on R4R</description>
  </item>
  <item>
    <title>HTML Tutorial</title>
    <link>http://www.r4r.co.in/html</link>
    <description>HTML tutorial on R4R
    </description>
  </item>
</channel>
</rss>


We can also write comment in RSS like that,
<!-- Here write the RSS comment -->


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