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Re:Ruby concepts part 2 (1 viewing) (1) Guest
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TOPIC: Re:Ruby concepts part 2
#4678
ShriNi (User)
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
Ruby comes with a special library called cgi that enables more sophisticated interactions than those with the preceding CGI script.
 
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
Using class CGI gives we can get access to HTML query parameters in two ways.

Suppose we are given a URL ,we can access the parameters FirstName and LastName using CGI#sing class CGI gives we can get access to HTML query parameters in two ways.

Suppose we are given a URL ,we can access the parameters FirstName and LastName using CGI#[] directly .
 
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
If a form contains multiple fields with the same name, the corresponding values will be returned to the script as an array.


The f a form contains multiple fields with the same name, the corresponding values will be returned to the script as an array.


The [] accessor returns just the first of these.index the result of the params method to get them all.
 
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
Ruby will take care of GET and POST methods automatically. There is no separate treament for these two different methods
 
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
CGI contains a huge number of methods used to create HTML.

We will find one method per tag. In order to enable these methods, we must create a CGI object by calling CGI.new
 
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Re:Ruby concepts part 2 3 Years, 10 Months ago Karma: 0  
To make tag nesting easier, these methods take their content as code blocks.

The code blocks should return a String, which will be used as the content for the tag
 
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