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POCapitalize only first character of string and leave others alone? (Rails)
 

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    <p>I'm trying to get Rails to capitalize the first character of a string, and leave all the others the way they are. I'm running into a problem where "i'm from New York" gets turned into "I'm from new york." </p> <p>What method would I use to select the first character?</p> <p>Thanks </p> <p><strong>EDIT:</strong> I tried to implement what macek suggested, but I'm getting a <em>"undefined method `capitalize'"</em> error. The code works fine without the capitalize line. Thanks for the help!</p> <pre><code>def fixlistname! self.title = self.title.lstrip + (title.ends_with?("...") ? "" : "...") self.title[0] = self.title[0].capitalize errors.add_to_base("Title must start with \"You know you...\"") unless self.title.starts_with? 'You know you' end </code></pre> <p><strong>EDIT 2:</strong> Got it working. Thanks for the help!</p> <p><strong>EDIT 3:</strong> Wait, no I didn't... Here's what I have in my list model.</p> <pre><code>def fixlistname! self.title = self.title.lstrip + (title.ends_with?("...") ? "" : "...") self.title.slice(0,1).capitalize + self.title.slice(1..-1) errors.add_to_base("Title must start with \"You know you...\"") unless self.title.starts_with? 'You know you' end </code></pre> <p><strong>EDIT 4:</strong> Tried macek's edit, and still getting an <em>undefined method `capitalize'"</em> error. What could I be doing wrong?</p> <pre><code>def fixlistname! self.title = title.lstrip self.title += '...' unless title.ends_with?('...') self.title[0] = title[0].capitalize errors.add_to_base('Title must start with "You know you..."') unless title.starts_with?("You know you") end </code></pre> <p><strong>EDIT 5:</strong> This is weird. I'm able to get rid of the undefined method error by using the line below. The problem is that it seems to replace the first letter with a number. For example, instead of capitalizing the <em>y</em> in <em>You</em>, it turns the <em>y</em> into a 121 </p> <pre><code>self.title[0] = title[0].to_s.capitalize </code></pre>
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    1. USDaniel O'Connor
    1. USDaniel O'Connor
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    1. COBased on `EDIT 3`, you need to start line 2 with `self.title = `. Also, on all 3 lines, you only need `self.title` on the left of an `=` (equal sign). In other places you can just use `title`. See the edit on my answer for an example.
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      1. USmaček
    2. COThe problem in Edit4 is that you've got just a character - no longer a string - therefore it won't recognise the string-function "capitalize".
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      1. USTaryn East
    3. COProblem with Edit 5 is that title[0] is a fixnum, so calling title[0].to_s will just give you the character number (i.e 121 as a string: "121"). You can do self.title[0] = title.first.capitalize if you want!
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      1. USNick
 

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