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How to create an object for a Django model with a many to many field?
...)
foo.bars.add(bar1)
foo.bars.add(bar2)
It generates a whopping total of 7 queries:
SELECT "app_bar"."id", "app_bar"."name" FROM "app_bar" WHERE "app_bar"."id" = 1
SELECT "app_bar"."id", "app_bar"."name" FROM "app_bar" WHERE "app_bar"."id" = 2
INSERT INTO "app_foo" ("name") VALUES ()
SELECT "app_...
How to check if a table exists in a given schema
...t using pg_tables?
– m0meni
Jan 9 '17 at 16:46
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Using the field of an object as a generic Dictionary key
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Marc Gravell♦Marc Gravell
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git cherry-pick says “…38c74d is a merge but no -m option was given”
...ream. when I cherry-pick the following commits however I get stuck on fd9f578 where git says:
5 Answers
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Why are Perl 5's function prototypes bad?
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edited Feb 25 '16 at 16:37
ikegami
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answere...
How do I test an AngularJS service with Jasmine?
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The problem is that the factory method, that instantiate the service, is not called in the examp...
Is there a difference between using a dict literal and a dict constructor?
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answered Jul 7 '11 at 12:43
John La RooyJohn La Rooy
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Windows Explorer “Command Prompt Here” [closed]
...e of the options is Open Command Window Here. This works in Windows Vista, 7, 8, and 10. Since Windows 10 Creators Update, the option has been replaced with Open PowerShell Here. However, there are ways to enable Open Command Window Here again.
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How to set the JDK Netbeans runs on?
I have older NB6.7, NB6.9, NB7.0, which used to run on jdk1.6.0_21 and jdk1.6.0_25. Now I've removed those JDKs and only have jdk1.6.0_26 and jdk1.7.0 left, but I still want to keep the older NBs, but now when I run them, I get this message:
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
...ce, take a look at this excellent answer: https://stackoverflow.com/a/11227902/1001643
Compilers typically don't have enough information to know which branches will alias and whether those aliases will be significant. However, that information can be determined at runtime with tools such as Cache...