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How do I make many-to-many field optional in Django?

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Storing a Map using JPA

...Collections of Embeddable Classes and Basic Types 2.7 Map Collections 10.1.11 - ElementCollection Annotation 11.1.29 MapKeyColumn Annotation share | improve this answer | f...
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JavaScript arrays braces vs brackets

... answered Feb 26 '11 at 20:32 johusmanjohusman 3,35211 gold badge1414 silver badges1111 bronze badges ...
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How can I change the copyright template in Xcode 4?

... answered Apr 24 '11 at 11:20 一二三一二三 19.8k1111 gold badges5555 silver badges7171 bronze badges ...
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'str' object does not support item assignment in Python

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Is there a way to pass the DB user password into the command line tool mysqladmin?

... 11 Warning: this is considered insecure: dev.mysql.com/doc/mysql-security-excerpt/5.7/en/… – neverendingqs ...
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What is the _references.js used for?

... In VS 11, Visual Studio will give you intellisense from all files that have references in the “_references.js” file. For More Info share |...
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What does SQL clause “GROUP BY 1” mean?

... answered Sep 12 '11 at 19:12 YuckYuck 43.3k1313 gold badges9999 silver badges130130 bronze badges ...
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Is it possible to set transparency in CSS3 box-shadow?

... Rory O'Kane 23.8k1111 gold badges8080 silver badges120120 bronze badges answered Mar 28 '11 at 12:05 BoltClock♦BoltC...
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Build Maven Project Without Running Unit Tests

...abeeb Perwad 6,1451212 gold badges7070 silver badges117117 bronze badges answered Oct 22 '09 at 13:47 alphazeroalphazero 26.4k33 g...