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In Postgresql, force unique on combination of two columns

...lude null values.)" postgresql.org/docs/8.1/static/ddl-constraints.html#AEN2038 – ndequeker Feb 3 '17 at 13:53 How can...
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rejected master -> master (non-fast-forward)

...trunk:master? – Andry Jul 28 '18 at 20:21  |  show 4 more comments ...
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How can I generate an MD5 hash?

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Converting integer to binary in python

...plain each character! – Post169 Mar 20 '18 at 16:27 ...
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What is the equivalent of “!=” in Excel VBA?

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What does “Auto packing the repository for optimum performance” mean?

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How to cast int to enum in C++?

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Unable to hide welcome screen in Emacs

...stion though. – byxor Jul 12 '17 at 20:52 add a comment  |  ...
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Android: alternate layout xml for landscape mode

...| edited Jul 29 '12 at 17:20 answered Feb 1 '11 at 1:38 Dal...
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What is the command to list the available avdnames

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