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Best way to merge two maps and sum the values of same key?
...rt Scalaz._
import Scalaz._
scala> val map1 = Map(1 -> 9 , 2 -> 20)
map1: scala.collection.immutable.Map[Int,Int] = Map(1 -> 9, 2 -> 20)
scala> val map2 = Map(1 -> 100, 3 -> 300)
map2: scala.collection.immutable.Map[Int,Int] = Map(1 -> 100, 3 -> 300)
scala> map1 |...
What do REFRESH and MERGE mean in terms of databases?
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80
REFRESH means "pull any state changes from the database into my representation". Cascading this...
Node.js - use of module.exports as a constructor
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SukimaSukima
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2
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Akka Kill vs. Stop vs. Poison Pill?
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edited Sep 15 '14 at 20:16
Kamiel Wanrooij
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a...
RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
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answered Nov 27 '13 at 0:18
Ioan Alexandru CucuIoan Alexandru Cucu
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How to tell bash that the line continues on the next line
In a bash script I got from another programmer, some lines exceeded 80 columns in length. What is the character or thing to be added to the line in order to indicate that the line continues on the next line?
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Create and append dynamically
...= 'block';
iDiv.className = 'block';
document.getElementsByTagName('body')[0].appendChild(iDiv);
// Now create and append to iDiv
var innerDiv = document.createElement('div');
innerDiv.className = 'block-2';
// The variable iDiv is still good... Just append to it.
iDiv.appendChild(innerDiv);
htt...
How do I switch to another subversion branch in Intellij?
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answered Oct 19 '09 at 16:35
PeterPPeterP
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MySQL: Selecting multiple fields into multiple variables in a stored procedure
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edited Feb 8 '15 at 17:50
answered Mar 15 '10 at 22:52
ma...
Is there a date format to display the day of the week in java?
...of date formats such as
"yyyy-mm-dd" -which displays date in format 2011-02-26
"yyyy-MMM-dd" -which displays date in format 2011-FEB-26
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