大约有 43,000 项符合查询结果（耗时：0.0682秒） [XML]
Find all records which have a count of an association greater than zero
...> 17
[14] pry(main)> Article.joins(:comments).distinct.to_sql
=> "SELECT DISTINCT \"articles\".* FROM \"articles\" INNER JOIN \"comments\" ON \"comments\".\"article_id\" = \"articles\".\"id\""
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Preserve Line Breaks From TextArea When Writing To MySQL
...UOTES, 'UTF-8'));
In query enter $textToStore....
step 2:
write code for select query...and direct echo values....
It works
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How to prettyprint a JSON file?
... end up with maps whose keys are u"some-key" (python unicode), which makes selecting fields more difficult and doesn't really go in the direction of pretty-printing.
You can also use jq:
jq . some.json
and you get colors as a bonus (and way easier extendability).
Addendum: There is some confusi...
XSLT getting last element
...put the last() indexing on the nodelist result, rather than as part of the selection criteria. Try:
(//element[@name='D'])[last()]
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How to break out from a ruby block?
...
def first_frog
detect {|i| i =~ /frog/ }
end
def last_frog
select {|i| i =~ /frog/ }.last
end
end
p ["dog", "cat", "godzilla", "dogfrog", "woot", "catfrog"].first_frog
# => "dogfrog"
p ["hats", "coats"].first_frog
# => nil
p ["houses", "frogcars", "bottles", "superfrogs"].la...
How to copy a directory structure but only include certain files (using windows batch files)
...tion", and "FileName".
It also can only copying specified type of files or selective filenames.
Any improvement are welcome. :)
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GIT: Checkout to a specific folder
...ir checkout HEAD -- . it doesn't do anything to the index, just copies the selected branch to the specified location (with the addition of a .git file).
– Roger Dueck
Oct 25 '17 at 16:43
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Make function wait until element exists
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@iftah How would I get this to work if the selector is a variable? Also, if it is an ID or Class selector changes as well. Sometimes there are multiple elements returned when I select with a class, and I would need to find a way to pass an index to the selector to fig...
Bash script absolute path with OS X
...ll it GNU/Linux. Coreutils is awesome. excellent answer this should be the selected answer.
– user9903
Jul 13 '16 at 15:15
7
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How do I restore a dump file from mysqldump?
... following these steps…
Open MySQL Administrator and connect to server
Select "Catalogs" on the left
Right click in the lower-left box and choose "Create New Schema"
MySQL Administrator http://img204.imageshack.us/img204/7528/adminsx9.th.gif enlarge image
Name the new schema (example: "dbn")
...