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Does MySQL ignore null values on unique constraints?
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According to SQLite FAQ, behavior is same in MySQL, PostgreSQL, SQLite, Oracle, and Firebird.
– Amir Ali Akbari
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Difference between Big-O and Little-O Notation
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Mohamed El-Nakib
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answered Sep 1 '09 at 20:32
Tyler McHenryTyler McHe...
Check time difference in Javascript
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How do i get time diffrence between date = "2016/03/01 11:00" to date ="2016/03/06 11:00"
– Vishal Singh
Feb 25 '16 at 7:29
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Uploading base64 encoded Image to Amazon S3 via Node.js
...the key unique.
– Divyanshu Das
Jan 11 '16 at 6:26
@Divyanshu Thanks for such useful example. I got two doubt: How to ...
How to compare variables to undefined, if I don’t know whether they exist? [duplicate]
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edited Apr 23 '13 at 11:48
answered May 6 '10 at 7:00
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How do I get the last four characters from a string in C#?
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answered Jun 20 '11 at 15:24
Armen TsirunyanArmen Tsirunyan
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How to restart a rails server on Heroku?
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edited May 23 '17 at 11:47
Community♦
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answered Jan 30 '13 at 20:08
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How do negated patterns work in .gitignore?
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alexkbalexkb
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.NET HttpClient. How to POST string value?
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SilverM-A
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answered Mar 3 at 12:38
Ravi MakwanaRavi Makwana
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JavaScript seconds to time string with format hh:mm:ss
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answered Jun 10 '11 at 23:27
powtacpowtac
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