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How do I convert an interval into a number of hours with postgres?

... Probably the easiest way is: SELECT EXTRACT(epoch FROM my_interval)/3600 share | improve this answer | follow | ...
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jQuery - selecting elements from inside a element

... Actually, $('#id', this); would select #id at any descendant level, not just the immediate child. Try this instead: $(this).children('#id'); or $("#foo > #moo") or $("#foo > span") ...
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Replace String in all files in Eclipse

... Thank you I solved this way. 1.- Select the text to search 2.- Go to Menu Search >Text > Project, a listing of ocurrences pops up, within the search view. 3.- Right Click on the root of that list, 4.- Select Replace All... 5.- Input the text to replace...
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What's the reason for “Error:Cannot determine Java VM executable in selected JDK”?

...ettings from project context menu (or default hit F4), then from left tab select Project and point correct Project SDK on dropdown. share | improve this answer | follow ...
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How to convert int to char with leading zeros?

... Try this: select right('00000' + cast(Your_Field as varchar(5)), 5) It will get the result in 5 digits, ex: 00001,...., 01234 share | ...
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Invalid postback or callback argument. Event validation is enabled using '

... I had an experience with DataGrid. One of it's columns was "Select" button. When I was clicking "Select" button of any row I had received this error message: "Invalid postback or callback argument. Event validation is enabled using in configuration or <%@ Page EnableEve...
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Equals(=) vs. LIKE

... can produce results different from the = comparison operator: mysql> SELECT 'ä' LIKE 'ae' COLLATE latin1_german2_ci; +-----------------------------------------+ | 'ä' LIKE 'ae' COLLATE latin1_german2_ci | +-----------------------------------------+ | 0 |...
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SQL NVARCHAR and VARCHAR Limits

... large (unavoidable) dynamic SQL query. Due to the number of fields in the selection criteria the string containing the dynamic SQL is growing over 4000 chars. Now, I understand that there is a 4000 max set for NVARCHAR(MAX) , but looking at the executed SQL in Server Profiler for the statement ...
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Get cursor position (in characters) within a text Input field

... Easier update: Use field.selectionStart example in this answer. Thanks to @commonSenseCode for pointing this out. Old answer: Found this solution. Not jquery based but there is no problem to integrate it to jquery: /* ** Returns the caret (curs...
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Escape Character in SQL Server

...s the second answer shows it's possible to escape single quote like this: select 'it''s escaped' result will be it's escaped If you're concatenating SQL into a VARCHAR to execute (i.e. dynamic SQL), then I'd recommend parameterising the SQL. This has the benefit of helping guard against SQL in...