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Using column alias in WHERE clause of MySQL query produces an error
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@megaSteve4 I did have the same problem! Using "HAVING" solved it smoothly. :)
– Johan
May 2 '13 at 23:02
10
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Declaring array of objects
...pr 1 '13 at 11:21
Frédéric HamidiFrédéric Hamidi
232k3737 gold badges445445 silver badges455455 bronze badges
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Can a div have multiple classes (Twitter Bootstrap) [duplicate]
...me then it'll be the one that's defined last on the CSS). So you better avoid doing stuff like this:
<p class="text-center text-left">Some text</p>
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How to avoid mysql 'Deadlock found when trying to get lock; try restarting transaction'
...etime <= now() - INTERVAL 900 SECOND
To
DELETE FROM onlineusers
WHERE id IN (
SELECT id FROM onlineusers
WHERE datetime <= now() - INTERVAL 900 SECOND
ORDER BY id
) u;
Another thing to keep in mind is that mysql documentation suggest that in case of a deadlock the client should...
How to check 'undefined' value in jQuery
... One of my problems was: if you are doing something like this ("#myId"), make sure what do you really need: a. typeof ("#myId")=== "undefined" b. Or: typeof ("#myId").val() === "undefined"
– Alberici
Dec 26 '14 at 22:54
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Postgres and Indexes on Foreign Keys and Primary Keys
...ndexes on primary keys and unique constraints, but not on the referencing side of foreign key relationships.
When Pg creates an implicit index it will emit a NOTICE-level message that you can see in psql and/or the system logs, so you can see when it happens. Automatically created indexes are visi...
Why doesn't logcat show anything in my Android?
Why doesn't logcat show anything in my Android (while developing apps with Eclipse)?
27 Answers
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Will the base class constructor be automatically called?
...s not. So in order to create a parametersless constructor, you need to provide an argument to the base constuctor, which you can do with the base implementation.
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How do I enable standard copy paste for a TextView in Android?
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Try android:textIsSelectable.
i.e., android:textIsSelectable="true"
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AWS S3 copy files and folders between two buckets
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A simplified example using the aws-sdk gem:
AWS.config(:access_key_id => '...', :secret_access_key => '...')
s3 = AWS::S3.new
s3.buckets['bucket-name'].objects['source-key'].copy_to('target-key')
If you want to perform the copy between different buckets, then specify the target bucke...