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Heroku Postgres - terminate hung query (idle in transaction)

... (The query may need mending dependent of the version of postgres - eventually, just select * from pg_stat_activity). You'll find the pid in the first (left) column, and the first (top) row is likely to be the query you'd like to terminate. I'll assume the pid is 1234 below. You may cancel a que...
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Error 330 (net::ERR_CONTENT_DECODING_FAILED):

...rked for me too. (quercus-4.0.39 + glassfish4 + create web-inf/php.ini manually. – Malcolm Boekhoff Mar 22 '16 at 6:20 add a comment  |  ...
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How do I disable the resizable property of a textarea?

... elements: textarea { resize: none; } To disable it for some (but not all) textareas, there are a couple of options. To disable a specific textarea with the name attribute set to foo (i.e., <textarea name="foo"></textarea>): textarea[name=foo] { resize: none; } Or, using an id...
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CSS3 :unchecked pseudo-class

... This may seem inconsistent with the :enabled and :disabled states, especially since an element can be neither enabled nor disabled (i.e. the semantics completely do not apply), however there does not appear to be any explanation for this inconsistency. (:indeterminate does not count, because an e...
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Add primary key to existing table

I have an existing table called Persion . In this table I have 5 columns: 10 Answers ...
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Error 1046 No database Selected, how to resolve?

...he SQL Development heading of the Workbench splash screen. Addendum This all assumes there's a database you want to create the table inside of - if not, you need to create the database before anything else: CREATE DATABASE your_database; ...
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The current branch is not configured for pull No value for key branch.master.merge found in configur

...u switch (git push -u origin master). This will set everything up automatically. share | improve this answer | follow | ...
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What exactly is Heroku?

I just started learning Ruby on rails and I was wondering what Heroku really is? I know that its a cloud that helps us to avoid using servers? When do we actually use it? ...
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C# 'is' operator performance

...rt performance if, once you check the type, you cast to that type. is actually casts the object to the type you are checking so any subsequent casting is redundant. If you are going to cast anyway, here is a better approach: ISpecialType t = obj as ISpecialType; if (t != null) { // use t her...
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How to use NSCache

...ign // decision you'll have to make yourself. myWidget = [[[Widget alloc] initExpensively] autorelease]; // Put it in the cache. It will stay there as long as the OS // has room for it. It may be removed at any time, however, // at which point we'll have to create it again on ne...