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Django “login() takes exactly 1 argument (2 given)” error
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16
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How to select where ID in Array Rails ActiveRecord without exception
...he "find_all_by.." family of functions works without throwing exceptions.
Comment.find_all_by_id([2, 3, 5])
will work even if some of the ids don't exist. This works in the
user.comments.find_all_by_id(potentially_nonexistent_ids)
case as well.
Update: Rails 4
Comment.where(id: [2, 3, 5])
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How to do SELECT COUNT(*) GROUP BY and ORDER BY in Django?
...riginal QuerySet, the original results are grouped
according to the unique combinations of the fields specified in the
values() clause"
annotate() : specifies an operation over the grouped values
Django docs:
The second way to generate summary values is to generate an independent summary for each ...
How to make a select with array contains value clause in psql
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65
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Type of conditional expression cannot be determined because there is no implicit conversion between
Why does this not compile?
4 Answers
4
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Delete directories recursively in Java
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You should check out Apache's commons-io. It has a FileUtils class that will do what you want.
FileUtils.deleteDirectory(new File("directory"));
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Is it valid to have a tag inside another tag?
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10
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Create empty queryset by default in django form fields
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2
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Node.js: Difference between req.query[] and req.params
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257
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Default initialization of std::array?
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Makes me wish the comitee changed the standard to default value-initialization and undermined value at request. Ie std::array<int, 12> = {std::undetermined}; or something
– Viktor Sehr
Sep 12 '17 at...