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    <p><strike>NSString's <a href="http://developer.apple.com/mac/library/documentation/Cocoa/Reference/Foundation/Classes/NSString_Class/Reference/NSString.html#//apple_ref/occ/instm/NSString/stringByAddingPercentEscapesUsingEncoding:" rel="noreferrer">stringByAddingPercentEscapesUsingEncoding:</a> looks like what you're after.</strike></p> <p><strong>EDIT</strong>: Here's an example using <a href="http://developer.apple.com/mac/library/documentation/CoreFoundation/Reference/CFURLRef/Reference/reference.html#//apple_ref/c/func/CFURLCreateStringByAddingPercentEscapes" rel="noreferrer"><code>CFURLCreateStringByAddingPercentEscapes</code></a> instead. <code>originalString</code> can be either an <code>NSString</code> or a <code>CFStringRef</code>. </p> <pre><code>CFStringRef newString = CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, originalString, NULL, CFSTR("!*'();:@&amp;=+@,/?#[]"), kCFStringEncodingUTF8); </code></pre> <p>Please note that this is untested. You should have a look at the <a href="http://developer.apple.com/mac/library/documentation/CoreFoundation/Reference/CFURLRef/Reference/reference.html#//apple_ref/c/func/CFURLCreateStringByAddingPercentEscapes" rel="noreferrer">documentation page</a> to make sure you understand the memory allocation semantics for <code>CFStringRef</code>, the idea of toll-free bridging, and so on.</p> <p>Also, I don't know (off the top of my head) which of the characters specified in the <code>legalURLCharactersToBeEscaped</code> argument would have been escaped anyway (due to being illegal in URLs). You may want to check this, although it's perhaps better just to be on the safe side and directly specify the characters you want escaped.</p> <p>I'm making this answer a community wiki so that people with more knowledge about CoreFoundation can make improvements.</p>
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    1. POObjective-c iPhone percent encode a string?
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    1. COWhich NSStringEcoding do I have to use to make all those characters above work correctly? Have you tried with a string?
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    2. COHmm, there doesn't seem to be an `NSStringEncoding` value for what you want. You could try `CFURLCreateStringByAddingPercentEscapes` (http://developer.apple.com/mac/library/documentation/CoreFoundation/Reference/CFURLRef/Reference/reference.html#//apple_ref/c/func/CFURLCreateStringByAddingPercentEscapes) instead - it lets you directly specify the characters to escape.
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    3. CO...oh, and by the way: `NSString` and `CFStringRef` are "toll-free bridged", meaning that they can be passed interchangeably to each other's functions.
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A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

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