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Does MySQL ignore null values on unique constraints?
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Yes, MySQL allows multiple NULLs in a column with a unique constraint.
CREATE TABLE table1 (x I...
How does Bluebird's util.toFastProperties function make an object's properties “fast”?
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2017 update: First, for readers coming today - here is a version that works with Node 7 (4+):
function enforceFastProperties(o) {
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How to kill zombie process
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edited Mar 11 at 13:00
answered Jun 5 '13 at 16:17
Wi...
The type or namespace name 'DbContext' could not be found [closed]
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How to update a git clone --mirror?
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ralphtheninjaralphtheninja
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Where is Python's sys.path initialized from?
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"Initialized from the environment variable PYTHONPATH, plus an installation-dependent default"
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MySQL Results as comma separated list
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You can use GROUP_CONCAT to perform that, e.g. something like
SELECT p.id, p.name, GROUP_CONCAT...
How to: Define theme (style) item for custom widget
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Yes, there's one way:
Suppose you have a declaration of attributes for your widget (in attrs.x...
sqlalchemy: how to join several tables by one query?
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answered May 18 '11 at 13:04
Abdul KaderAbdul Kader
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generate model using user:references vs user_id:integer
...un the migration. In rails console, you can see that this is the case:
:001 > Micropost
=> Micropost(id: integer, user_id: integer, created_at: datetime, updated_at: datetime)
The second command adds a belongs_to :user relationship in your Micropost model whereas the first does not. When...