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Can I make the foreign key field optional in Django model

... 197 Sure, just add blank=True, null=True for each field that you want to remain optional like subj...
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Query a parameter (postgresql.conf setting) like “max_connections”

... answered Nov 27 '11 at 20:42 Erwin BrandstetterErwin Brandstetter 439k9696 gold badges810810 silver badges969969 bronze badges ...
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range over interface{} which stores a slice

... 137 Well I used reflect.ValueOf and then if it is a slice you can call Len() and Index() on the valu...
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How to get the current directory in a C program?

... isnullxbh 6171111 silver badges1818 bronze badges answered Nov 18 '08 at 11:38 MicMic 5,81...
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BigDecimal equals() versus compareTo()

... answered Jul 22 '11 at 7:59 Joachim SauerJoachim Sauer 266k5353 gold badges513513 silver badges578578 bronze badges ...
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Get dimension from XML and set text size in runtime

... Dan J 23.9k1717 gold badges9393 silver badges164164 bronze badges answered May 23 '13 at 15:31 Kostek PolandKoste...
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onNewIntent() lifecycle and registered listeners

... | edited Oct 7 '15 at 6:05 Ragunath Jawahar 18.3k2020 gold badges101101 silver badges152152 bronze badges ...
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How can I suppress column header output for a single SQL statement?

... answered Jan 2 '14 at 16:17 suspectussuspectus 14.2k88 gold badges4040 silver badges5252 bronze badges ...
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Generating a list of which files changed between hg versions

... answered Jan 7 '10 at 23:56 alemjerusalemjerus 6,86322 gold badges2929 silver badges4040 bronze badges ...
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MySQLDump one INSERT statement for each data row

... | edited May 23 '17 at 11:47 Community♦ 111 silver badge answered Sep 15 '12 at 17:01 ...