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When should I use a composite index?
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answered Dec 1 '09 at 3:31
Mark CanlasMark Canlas
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Django admin: How to display a field that is marked as editable=False' in the model?
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How do I import the Django DoesNotExist exception?
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You don't need to import it - as you've already correctly written, DoesNotExist is a property o...
What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?
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Greg B
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answered Aug 11 '09 at 3:58
Kelly NortonKe...
How to delete the last n commits on Github and locally?
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How to increase the maximum number of opened editors in IntelliJ?
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edited Jul 4 '19 at 3:55
answered Jan 14 '10 at 16:38
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How to revert Master branch to upstream
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El Developer
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answered Nov 15 '11 at 10:39
nickgrimnickgrim
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How do you search for files containing DOS line endings (CRLF) with grep on Linux?
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pjzpjz
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Can TCP and UDP sockets use the same port?
...CP and UDP. Many protocols already do this, for example DNS works on udp/53 and tcp/53.
Technically the port pools for each protocol are completely independent, but for higher level protocols that can use either TCP or UDP it's convention that they default to the same port number.
When writing yo...