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Re:Ruby basics (1 viewing) (1) Guest
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TOPIC: Re:Ruby basics
#4619
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
All of these methods perform a search-and-replace operation using a Regexp pattern.

The sub & sub! replace the first occurrence of the pattern and gsub & gsub! replace all occurrences
 
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#4620
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
The sub and gsub return a new string, leaving the original unmodified where as sub! and gsub! modify the string on which they are called.
 
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#4621
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
The Ruby DBI module provides a database-independent interface for Ruby scripts similar to that of the Perl DBI module.
 
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#4622
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
DBI stands for Database independent interface for Ruby

This means DBI provides an abstraction layer between the Ruby code and the underlying database, allowing you to switch database implementations really easily
 
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#4623
ShriNi (User)
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Re:Ruby basics 3 Years, 10 Months ago Karma: 0  
DBI defines a set of methods, variables, and conventions that provide a consistent database interface, independent of the actual database being used.
 
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