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How do I automatically update a timestamp in PostgreSQL

...update_modified_column() RETURNS TRIGGER AS $$ BEGIN NEW.modified = now(); RETURN NEW; END; $$ language 'plpgsql'; Apply the trigger like this: CREATE TRIGGER update_customer_modtime BEFORE UPDATE ON customer FOR EACH ROW EXECUTE PROCEDURE update_modified_column(); ...
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When to use self over $this?

...I did get some more information that I found helpful further down, but for now I was just trying to figure out why I hit my class attributes with $this->attrib and the class constants with self::constant. This helped me understand that better – MydKnight Jul...
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Animate scrollTop not working in firefox

.... var element = ( html.scrollTop === newY ) ? 'html' : 'body'; // now reset back to the starting position window.scrollTo(0, startingY); return element; } // store the element selector name in a global var - // we'll use this as the selector for our page scrolling animation. scrol...
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Difference between /res and /assets directories

I know that files in the res directory are accessible from R.class while assets behaves like a file system, but I would like to know, in general, when it's best to use one and the other. Can anyone help me in knowing the real differences between res and assets? ...
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Why doesn't Mockito mock static methods?

...o think mocking tools should give you what you need without assuming they know what's better for you. For example, if I was using a third party library that utilized a static method call that I needed to mock, it would be nice to be able to do so. The idea that a mock framework won't provide you s...
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How can I get the SQL of a PreparedStatement?

... It's nowhere definied in the JDBC API contract, but if you're lucky, the JDBC driver in question may return the complete SQL by just calling PreparedStatement#toString(). I.e. System.out.println(preparedStatement); At least MyS...
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Facebook Android Generate Key Hash

...ate a new certificate when you next try to build a debug package. Let me know if that works. share | improve this answer | follow | ...
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How do I simulate a hover with a touch in touch enabled browsers?

... removed touchend and preventDefault() in my website and it works good but now menus doesn't automatically closed by tap out of target. – Даниил Пронин May 26 '14 at 11:05 ...
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Error when trying to obtain a certificate: The specified item could not be found in the keychain

... It seems like OS X now defaults to the first item being selected now. If you just choose a different keychain (i.e System) when you generate this it should fix the issue. – James Parker Jan 20 '16 at 14:25...
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Is it possible to install another version of Python to Virtualenv?

...tions. This is just part of an ongoing, larger project I am engineering. Now, for the drop... Set up environment folders. $ mkdir env $ mkdir pyenv $ mkdir dep Get Python-2.7.3, and virtualenv without any form of root OS installation. $ cd dep $ wget http://www.python.org/ftp/python/2.7.3/Pyt...