iphone - How do i set placeholder char(%)? -

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Objective-c ... I want to represent placeholder character (%) but my code is not ... . 

  NSString * base = @ "style type = \" test / css \ "& gt; div {width: 100 \%} & lt; / style & gt; & lt; body & Gt;% @  "; NSString * html = [NSString stringWithFormat: base, @ "hello world"]; NSLog (@ "% @", HTML); 
 100%}  
  •  Actual: div {width: 100}   
     is what
    • That's wrong?

    Try this: 

      NSString * base = @ "& Lt ; Style = type = \ "test / css \" & gt; div {width: 100 %%} & lt; / style & gt; & lt; body & gt;% @ & lt; / body & gt; ";

    The complete list of format specifiers is.


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