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Simulate CREATE DATABASE IF NOT EXISTS for PostgreSQL?
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Restrictions
You can ask the system catalog pg_database - accessible from any database in the ...
Speed up the loop operation in R
... MarekMarek
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Get a random item from a JavaScript array [duplicate]
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var item = items[Math.floor(Math.random() * items.length)];
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HTML5 Email Validation
... now :) )
– Midhun MP
Oct 26 '13 at 11:01
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@MichaelDeMutis: You can use the required attribute
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Fastest method to replace all instances of a character in a string [duplicate]
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The easiest would be to use a regular expression with g flag to replace all instances:
str.r...
Finding the direction of scrolling in a UIScrollView?
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edited Jun 13 '14 at 11:12
Khawar
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When and why should I use fragments in Android applications? [duplicate]
... Pang
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answered Dec 21 '11 at 23:56
BobBob
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When should I use a List vs a LinkedList
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Community♦
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answered Oct 15 '11 at 11:58
Drew NoakesDrew Noakes
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How can I String.Format a TimeSpan object with a custom format in .NET?
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edited May 23 '17 at 11:55
Community♦
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answered Dec 8 '10 at 10:13
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How can a LEFT OUTER JOIN return more records than exist in the left table?
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