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How do I remove duplicates from a C# array?
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Jeff AtwoodJeff Atwood
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PHP Fatal error: Cannot redeclare class
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answered Apr 2 '09 at 3:15
whichdanwhichdan
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How to serialize an Object into a list of URL query parameters?
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answered Jul 4 '11 at 0:51
arotharoth
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find() with nil when there are no records
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Yes, just do:
Challenge.find_by_id(10)
For Rails 4 and 5:
Challenge.find_by(id: 10)
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Using Predicate in Swift
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158
This is really just a syntax switch. OK, so we have this method call:
[NSPredicate predicateWi...
How can I add a key/value pair to a JavaScript object?
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answered Jul 22 '09 at 23:25
Ionuț G. StanIonuț G. Stan
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Could not load NIB in bundle
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Forge
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answered Mar 7 '12 at 1:39
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How to add display:inline-block in a jQuery show() function?
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edited Feb 13 '12 at 12:52
Sharon
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answered Feb 13 '12 at 12:01
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Why is it important to override GetHashCode when Equals method is overridden?
...ing code like below, to reduce diagonal collisions (i.e. so that new Foo(3,5) has a different hash-code to new Foo(5,3)):
unchecked // only needed if you're compiling with arithmetic checks enabled
{ // (the default compiler behaviour is *disabled*, so most folks won't need this)
int hash = 13;...
How can I select multiple columns from a subquery (in SQL Server) that should have one record (selec
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5 Answers
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