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Django select only rows with duplicate field values
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193
Try:
from django.db.models import Count
Literal.objects.values('name')
.annotate...
Append an object to a list in R in amortized constant time, O(1)?
...24
smci
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answered Mar 13 '10 at 1:56
Dirk Eddelbuette...
Re-raise exception with a different type and message, preserving existing information
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Python 3 introduced exception chaining (as described in PEP 3134). This allows, when raising an exception, to cite an existing exception as the “cause”:
try:
frobnicate()
except KeyError as exc:
raise ValueError("Bad gra...
Debugging Package Manager Console Update-Database Seed Method
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edited Dec 25 '17 at 7:35
Hakan Fıstık
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answ...
Received fatal alert: handshake_failure through SSLHandshakeException
...r might accept only TLS v1, while the client is capable of only using SSL v3). Again, the client might have to ensure that it uses a compatible version of the SSL/TLS protocol.
Incomplete trust path for the server certificate; the server's certificate is probably not trusted by the client. This woul...
What is the meaning of “… …” token? i.e. double ellipsis operator on parameter pack
... worst pseudo-operator ever.
Edit: This does appear to be conformant. §8.3.5/3 describes one way to form the parameter list as
parameter-declaration-listopt ...opt
So the double-ellipsis is formed by a parameter-declaration-list ending with a parameter pack, followed by another ellipsis.
Th...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
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edited Oct 5 '12 at 20:34
the Tin Man
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an...
How do I implement interfaces in python?
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edited Nov 17 '17 at 13:49
Isma
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answered Jan...
Java: Calling a super method which calls an overridden method
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