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How can I output a UTF-8 CSV in PHP that Excel will read properly?

I've got this very simple thing that just outputs some stuff in CSV format, but it's got to be UTF-8. I open this file in TextEdit or TextMate or Dreamweaver and it displays UTF-8 characters properly, but if I open it in Excel it's doing this silly íÄ kind of thing instead. Here's what I've got at...
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How do I concatenate strings in Swift?

...st version – Joseph Oct 2 '14 at 10:32  |  show 5 more comments ...
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Vim and Ctags tips and tricks [closed]

I have just installed Ctags (to help with C++ development) with my Vim (or rather gVim), and would like to find out your favorite commands, macros, shortcuts, tips that go along with it... ...
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How to efficiently count the number of keys/properties of an object in JavaScript?

.... – N. Kudryavtsev Mar 22 '19 at 13:32 add a comment  |  ...
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Why does Iterable not provide stream() and parallelStream() methods?

...reamSupport.stream(iter.spliterator(), false); – user_3380739 Dec 2 '16 at 22:56  |  show 7 more comments ...
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MySQL date format DD/MM/YYYY select query?

I'm a bit confused on how to order by date formats. 8 Answers 8 ...
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What's the shortest code to cause a stack overflow? [closed]

...efunge program that overflows faster: " It loads 79 copies of the number 32 every two times it wraps around, rather than 2 copies of the number 1. – KirarinSnow Apr 21 '10 at 1:31 ...
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Create unique constraint with null columns

... – Mike Christensen Nov 27 '11 at 23:32 1 As I said: it is all about semantics. (I was thinking ab...
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Difference between require, include, require_once and include_once?

...e. – James Beninger Jul 7 '16 at 22:32  |  show 12 more comments ...
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Get the real width and height of an image with JavaScript? (in Safari/Chrome)

I am creating a jQuery plugin. 30 Answers 30 ...