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Is the SQL WHERE clause short-circuit evaluated?
...y use this for optional parameters. Is this the same as short circuiting?
SELECT [blah]
FROM Emp
WHERE ((@EmpID = -1) OR (@EmpID = EmpID))
This gives me the option to pass in -1 or whatever to account for optional checking of an attribute. Sometimes this involves joining on multiple tables, ...
Get source jar files attached to Eclipse for Maven-managed dependencies
... @Francis - After making the above change right click on your project and select "Maven > Update Project ..." This will cause your source jars to download.
– carbontax
Dec 20 '13 at 17:18
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error LNK2038: mismatch detected for '_ITERATOR_DEBUG_LEVEL': value '0' doesn't match value '2' in m
...static lib project solved the issue.
This is done in Project properties
Select Configuration Properties / C C++ / Code Generation in the tree
and the option Runtime Library set to the same on all your dependencies projects and application.
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IntelliJ IDEA generating serialVersionUID
... like this:
private static final long serialVersionUID = 1L;
$END$
Then select definition scope and save it as 'serial'
Now you can type serialTAB in class body.
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How to break out from a ruby block?
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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...
JAXB creating context and marshallers cost
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thanks for the answer. Unfortunately I have to select only one answer :-)
– Vladimir
Sep 13 '11 at 12:23
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MySQL how to join tables on two fields
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SELECT *
FROM t1
JOIN t2 USING (id, date)
perhaps you'll need to use INNEER JOIN or
where t2.id is not null
if you want results only matching both conditions
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Comments in Android Layout xml
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Note: No comments inside tags. This should be the selected answer
– Eslam Sameh Ahmed
Feb 14 '15 at 18:02
1
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How to disable Crashlytics during development
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They state on the website: Enable collection for selected users by initializing Crashlytics from one of your app's activities but I guess it doesn't change much if you initialize Crashlytics in the application. Did you try it? If it works, then I can add it to my answer. f...
GROUP_CONCAT comma separator - MySQL
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Query to achieve your requirment
SELECT id,GROUP_CONCAT(text SEPARATOR ' ') AS text FROM table_name group by id;
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