StackOverflow2013

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plurals

PO
primarykey
Id
222424
data
AcceptedAnswerId
0
AnswerCount
0
ClosedDate
CommentCount
4
CommunityOwnedDate
CreationDate
2008-10-21T16:03:03.573
FavoriteCount
0
LastActivityDate
2008-10-21T16:19:00.217
LastEditDate
2008-10-21T16:19:00.217
LastEditorUserId
3474
OwnerUserId
3474
ParentId
222386
PostTypeId
2
Score
45
ViewCount
0
LastEditorDisplayName
erickson
text
Body
Unicode is a standard that defines numeric codes for glyphs used in written communication. Or, as they say it themselves: <blockquote> The standard for digital representation of the characters used in writing all of the world's languages. Unicode provides a uniform means for storing, searching, and interchanging text in any language. It is used by all modern computers and is the foundation for processing text on the Internet. Unicode is developed and maintained by the Unicode Consortium. </blockquote> There are many common, yet easily avoided, programming errors committed by developers who don't bother to educate themselves about Unicode and its encodings. <ul> <li>First, go to <a href="http://www.unicode.org/" rel="noreferrer">the source</a> for authoritative, detailed information and implementation guidelines.</li> <li>As mentioned by others, Joel Spolsky has <a href="http://www.joelonsoftware.com/articles/Unicode.html" rel="noreferrer">a good list</a> of these errors.</li> <li>I also like Elliotte Rusty Harold's <a href="http://cafe.elharo.com/programming/the-ten-commandments-of-unicode/" rel="noreferrer">Ten Commandments of Unicode</a>.</li> <li>Developers should also watch out for <a href="http://www.owasp.org/index.php/Canonicalization,_locale_and_Unicode" rel="noreferrer">canonical representation</a> attacks.</li> </ul> Some of the key concepts you should be aware of are: <ul> <li><a href="http://www.unicode.org/glossary/#glyph" rel="noreferrer">Glyphs</a>—concrete graphics used to represent written characters.</li> <li><a href="http://www.unicode.org/versions/Unicode5.0.0/ch03.pdf#G729" rel="noreferrer">Composition</a>—combining glyphs to create another glyph.</li> <li><a href="http://en.wikipedia.org/wiki/Character_encoding" rel="noreferrer">Encoding</a>—converting Unicode points to a stream of bytes.</li> <li><a href="http://www.unicode.org/reports/tr10/" rel="noreferrer">Collation</a>—locale-sensitive comparison of Unicode strings.</li> </ul>
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1. POWhat do I need to know about Unicode?
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1. PTAnswer
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1. USerickson
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1. USerickson
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1. POWhat do I need to know about Unicode?
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