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How can I check if a key exists in a dictionary? [duplicate]
Let's say I have an associative array like so: {'key1': 22, 'key2': 42} .
3 Answers
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Check if string begins with something? [duplicate]
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edited Jul 20 '13 at 19:31
Pijusn
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How can I use map and receive an index as well in Scala?
...ls.zipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
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How to use Elasticsearch with MongoDB?
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This answer should be enough to get you set up to follow this tutorial on Building a functiona...
Complete Working Sample of the Gmail Three-Fragment Animation Scenario?
...rs
Explaination:
Created a new custom RelativeLayout(ThreeLayout) and 2 custom Animations(MyScalAnimation, MyTranslateAnimation)
ThreeLayout gets the weight of the left pane as param ,assuming the other visible view has weight=1.
So new ThreeLayout(context,3) creates a new view with 3 childre...
What's the difference between comma separated joins and join on syntax in MySQL? [duplicate]
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edited Oct 24 '17 at 3:13
answered Nov 22 '13 at 6:28
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How to convert a currency string to a double with jQuery or Javascript?
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492
Remove all non dot / digits:
var currency = "-$4,400.50";
var number = Number(currency.replace(...
Map implementation with duplicate keys
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edited Jul 29 '16 at 10:25
Xaerxess
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Validating IPv4 addresses with regexp
...idation, but without much luck. It seemed at one point I had had it with (25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?(\.|$)){4} , but it produces some strange results:
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javac error: Class names are only accepted if annotation processing is explicitly requested
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12 Answers
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