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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...
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...
Get the value of checked checkbox?
...utElements = document.getElementsByClassName('messageCheckbox');
for(var i=0; inputElements[i]; ++i){
if(inputElements[i].checked){
checkedValue = inputElements[i].value;
break;
}
}
share
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Can I redirect the stdout in python into some sort of string buffer?
... Aziz Alto
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answered Aug 2 '09 at 13:57
Ned BatchelderNed Batchelder
306...
Regex: match everything but specific pattern
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answered Nov 6 '09 at 13:40
Cat Plus PlusCat Plus Plus
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How to add a primary key to a MySQL table?
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10 Answers
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How to find if div with specific id exists in jQuery?
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10 Answers
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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 ...
Check whether HTML element has scrollbars
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edited Dec 30 '16 at 10:30
Limon Monte
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