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What does ||= (or-equals) mean in Ruby?
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This question has been discussed so often on the Ruby mailing-lists and Ruby blogs that there ...
In Scala, what exactly does 'val a: A = _' (underscore) mean?
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val a: A = _ is a compile error. For example:
scala> val a: String = _
<console>:1: ...
Can a for loop increment/decrement by more than one?
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edited Oct 9 '12 at 23:23
answered Oct 9 '12 at 23:18
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How can I find the number of days between two Date objects in Ruby?
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10 Answers
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Active
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ALTER TABLE to add a composite primary key
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answered Jan 14 '12 at 1:24
Adrian CornishAdrian Cornish
19.9k1010 gold badges4949 silver badges7474 bronze badges
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How do you reference a capture group with regex find and replace in Visual Studio 2012, 2013, 2015,
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To find and replace in VS 2012 and VS 2015 you do the following:
Surround with (), display capture with $1, $2, $n
Example (thanks to syonip)
In the find options, make sure 'use regular expressions' is checked, and put the following as the text to ...
How to get index using LINQ? [duplicate]
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130
An IEnumerable is not an ordered set.
Although most IEnumerables are ordered, some (such as Di...
Generate a UUID on iOS from Swift
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edited Feb 23 at 10:34
Tilak Maddy
2,64922 gold badges2121 silver badges4040 bronze badges
answ...
Disable spell checking on IntelliJ IDEA
I'm trying to disable spell checking in MacOS's IntelliJ IDEA version 8.1.
11 Answers
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How to check whether a string contains a substring in JavaScript?
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14067
ECMAScript 6 introduced String.prototype.includes:
const string = "foo";
const subst...