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Find difference between timestamps in seconds in PostgreSQL

I have a table in PostgreSQL 8.3 with 2 timestamp columns. I would like to get the difference between these timestamps in seconds. Could you please help me how to get this done? ...
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Sort hash by key, return hash in Ruby

... answered Mar 11 '14 at 2:03 Mark ThomasMark Thomas 34.8k99 gold badges6666 silver badges9797 bronze badges ...
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How to get current date & time in MySQL?

... | edited Jan 26 '18 at 9:35 Yuri 2,84133 gold badges2020 silver badges4242 bronze badges answered Oct 8...
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RSS Feeds in ASP.NET MVC

... | edited Aug 15 '08 at 3:18 answered Aug 15 '08 at 3:12 ...
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How can I rename a database column in a Ruby on Rails migration?

... 2331 rename_column :table, :old_column, :new_column You'll probably want to create a separate mig...
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Use didSelectRowAtIndexPath or prepareForSegue method for UITableView?

... | edited Feb 12 '15 at 23:57 Zack Shapiro 4,8211212 gold badges5858 silver badges106106 bronze badges ...
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How do I get the MIN() of two fields in Postgres?

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jQuery selector for the label of a checkbox

... answered Jul 27 '09 at 4:23 KipKip 95.8k8080 gold badges220220 silver badges256256 bronze badges ...
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Generate random password string with requirements in javascript

I want to generate a random string that has to have 5 letters from a-z and 3 numbers. 18 Answers ...
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Classes residing in App_Code is not accessible

... Kevin Panko 7,57399 gold badges4646 silver badges5757 bronze badges answered Aug 3 '09 at 13:14 StevenMcDStevenMcD ...