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java Programming Glossary: surrogate

Need to reset the value of sequence in Oracle

http://stackoverflow.com/questions/10159840/need-to-reset-the-value-of-sequence-in-oracle

to provide a very quick scalable way of creating a surrogate key without any locks etc not to re generate the set of positive..

Comparing a char to a code-point?

http://stackoverflow.com/questions/1029897/comparing-a-char-to-a-code-point

year later when Unicode 2.0 was implemented the concept of surrogate characters was introduced to go beyond the 16 bit limit. Java.. points exceeding U FFFF the code point is represented by a surrogate pair i.e. two char s with the first being the high surrogates.. pair i.e. two char s with the first being the high surrogates code unit in the range uD800 uDBFF the second being the low..

how to make a composite primary key (java persistence annotation)

http://stackoverflow.com/questions/1212058/how-to-make-a-composite-primary-key-java-persistence-annotation

way to do this in Hibernate instead which is to use a surrogate key as primary key and to mark business keys as NaturalId's.. keys as NaturalId's Although we recommend the use of surrogate keys as primary keys you should try to identify natural keys..

What is the correct way of overriding hashCode () and equals () methods of persistent entity?

http://stackoverflow.com/questions/1928191/what-is-the-correct-way-of-overriding-hashcode-and-equals-methods-of-persi

of as uniquely identifying a particular record whereas the surrogate key is what the application and database use. Business key equality..

Java Unicode encoding

http://stackoverflow.com/questions/2533097/java-unicode-encoding

with code point 0xFFFF it will be encoded with 2 char s a surrogate pair . See http www.oracle.com us technologies java supplementary..

Howto unescape a Java string literal in Java

http://stackoverflow.com/questions/3537706/howto-unescape-a-java-string-literal-in-java

with this blindness to the astral planes because no UTF 16 surrogate will wind up looking for anything they ™re looking for. Like.. trailing c cp oldstr.codePointAt i don't need to grok surrogates as next line blows them up if cp 0x7f die expected ASCII.. i j oldstr.length break for safe because will unread surrogate int ch oldstr.charAt i j if ch '0' ch '7' break for digits..

Character Encoding Detection Algorithm

http://stackoverflow.com/questions/774075/character-encoding-detection-algorithm

16 isn't nearly as easy as UTF 8 unless you can detect the surrogate pairs pattern but the use of surrogate pairs is rare so that.. you can detect the surrogate pairs pattern but the use of surrogate pairs is rare so that doesn't usually work. UTF 32 is similar.. usually work. UTF 32 is similar except there are no surrogate pairs to detect. Regional detection Next we would assume the..

Graph database for .NET

http://stackoverflow.com/questions/816055/graph-database-for-net

to traverse the nodes of the graph instead of implementing surrogate solutions which would be hardly maintainable and would massively..

Size of Initialisation string in java

http://stackoverflow.com/questions/8323082/size-of-initialisation-string-in-java

FFFF have only one third of these. And the ones encoded as surrogate pairs in UTF 8 i.e. U 10000 to U 10FFFF take up 6 bytes each...