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Find difference between timestamps in seconds in PostgreSQL
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246
Try:
SELECT EXTRACT(EPOCH FROM (timestamp_B - timestamp_A))
FROM TableA
Details here: EXTR...
How do negated patterns work in .gitignore?
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CascabelCascabel
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
... = iName
– maganap
Jul 20 '16 at 10:44
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filter items in a python dictionary where keys contain a specific string
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answered May 26 '14 at 3:49
Jonathon ReinhartJonathon Reinhart
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How to remove array element in mongodb?
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242
Try the following query:
collection.update(
{ _id: id },
{ $pull: { 'contact.phone': { num...
SQLite table constraint - unique on multiple columns
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4 Answers
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How can I control the width of a label tag?
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Josh StodolaJosh Stodola
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How do I use a file grep comparison inside a bash if/else statement?
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Gesture recognizer and button actions
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edited Feb 26 '15 at 17:47
Yuchen Zhong
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