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Retrieving the last record in each group - MySQL
...dowing functions, like almost all popular SQL implementations. With this standard syntax, we can write greatest-n-per-group queries:
WITH ranked_messages AS (
SELECT m.*, ROW_NUMBER() OVER (PARTITION BY name ORDER BY id DESC) AS rn
FROM messages AS m
)
SELECT * FROM ranked_messages WHERE rn = 1...
Do we still need end slashes in HTML5?
... they do not need an end tag.
Void elements
area, base, br, col, command, embed, hr, img, input, keygen, link, meta, param, source, track, wbr
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Void elements only have a start tag; end tags must not be specified for void elements.
W3C | WHATWG
That being said it's not strict parsi...
Get all Attributes from a HTML element with Javascript/jQuery
...answered Jan 12 '10 at 12:17
Roland BoumanRoland Bouman
27.5k55 gold badges6161 silver badges6464 bronze badges
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Using CSS to insert text
I'm relatively new to CSS, and have used it to change the style and formatting of text.
4 Answers
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C++11 range based loop: get item by value or reference to const
... with copies.
Choose auto &x when you want to work with original items and may modify them.
Choose auto const &x when you want to work with original items and will not modify them.
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How can I read SMS messages from the device programmatically in Android?
I want to retrieve the SMS messages from the device and display them?
11 Answers
11
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List files in local git repo?
I'm using Sparkleshare, which uses Git to sync files between my laptop and my backup server.
3 Answers
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Change a column type from Date to DateTime during ROR migration
...f you're wondering why a single change method isn't used instead of the up and down methods, it's because the change method doesn't support the change_column migration definition.
– Dennis
Feb 25 '14 at 21:35
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How to use background thread in swift?
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And if someone wants a more Swift like syntax, I've created Async that adds some sugar to the syntax like Async.background {}
– tobiasdm
Sep 13 '14 at 21:50
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Converting timestamp to time ago in PHP e.g 1 day ago, 2 days ago…
I am trying to convert a timestamp of the format 2009-09-12 20:57:19 and turn it into something like 3 minutes ago with PHP.
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