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How to add a primary key to a MySQL table?
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How to find if div with specific id exists in jQuery?
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How to reset sequence in postgres and fill id column with new data?
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207
If you don't want to retain the ordering of ids, then you can
ALTER SEQUENCE seq RESTART WITH ...
Which @NotNull Java annotation should I use?
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+50
Since JSR 305 (whose goal was to standardize @NonNull and @Nullable) has been dormant for several years, I'm afraid there is no good a...
Pythonic way to find maximum value and its index in a list?
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Get environment variable value in Dockerfile
...quest_domain
or if you'd prefer a default value:
ARG request_domain=127.0.0.1
Now you can reference this variable inside your Dockerfile:
ENV request_domain=$request_domain
then you will build your container like so:
$ docker build --build-arg request_domain=mydomain Dockerfile
Note 1: Y...
When to use setAttribute vs .attribute= in JavaScript?
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edited Feb 2 '12 at 20:03
answered Oct 12 '10 at 21:49
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How can I programmatically create a new cron job?
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answered Mar 4 '09 at 14:38
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Retrieve only the queried element in an object array in MongoDB collection
...d shapes element:
db.test.find(
{"shapes.color": "red"},
{_id: 0, shapes: {$elemMatch: {color: "red"}}});
Returns:
{"shapes" : [{"shape": "circle", "color": "red"}]}
In 2.2 you can also do this using the $ projection operator, where the $ in a projection object field name represents...