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How to find gaps in sequential numbering in mysql?
...sible) answer
Here's version that works on table of any size (not just on 100 rows):
SELECT (t1.id + 1) as gap_starts_at,
(SELECT MIN(t3.id) -1 FROM arrc_vouchers t3 WHERE t3.id > t1.id) as gap_ends_at
FROM arrc_vouchers t1
WHERE NOT EXISTS (SELECT t2.id FROM arrc_vouchers t2 WHERE t2.i...
How can I know when an EditText loses focus?
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Sandeep YohansSandeep Yohans
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Rails :dependent => :destroy VS :dependent => :delete_all
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answered May 9 '10 at 10:36
shingarashingara
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Recommended date format for REST GET API
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edited Jun 15 '15 at 13:10
answered Mar 7 '12 at 23:22
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Placeholder in IE9
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Chris JacobChris Jacob
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SVN (Subversion) Problem “File is scheduled for addition, but is missing” - Using Versions
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edited Feb 11 '10 at 22:17
answered Feb 11 '10 at 21:48
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In Django - Model Inheritance - Does it allow you to override a parent model's attribute?
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How do you check in python whether a string contains only numbers?
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A gentle tutorial to Emacs/Swank/Paredit for Clojure
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[Edit from non-author: this is from 2010, and the process has been significantly simplified since May 2011. I'll add a post to this answer with my setup notes as of Feb 2012.]
You'll need to put together a few pieces: Emacs, SLIME (which works perfectly well wit...
How can I check if my python object is a number? [duplicate]
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answered Nov 15 '10 at 17:44
user395760user395760
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