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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 |...
How do I create 7-Zip archives with .NET?
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answered Oct 21 '08 at 14:18
workmad3workmad3
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Explanation of strong and weak storage in iOS5
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509
The difference is that an object will be deallocated as soon as there are no strong pointers to...
How to replace (or strip) an extension from a filename in Python?
...hat you want.
import os
print os.path.splitext('/home/user/somefile.txt')[0]+'.jpg'
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Apache POI Excel - how to configure columns to be expanded?
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answered Jan 6 '11 at 6:05
SeanSean
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Downloading a Google font and setting up an offline site that uses it
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101
Just go to Google Fonts - http://www.google.com/fonts/ , add the font you like to your collecti...
When to use reinterpret_cast?
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edited Aug 30 '19 at 8:57
leiyc
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answered Feb 21 '09 ...
How can I calculate the difference between two dates?
How can I calculate the days between 1 Jan 2010 and (for example) 3 Feb 2010?
9 Answers
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How to calculate percentage with a SQL statement
... does work. The answer by gordyii was close but had the multiplication of 100 in the wrong place and had some missing parenthesis.
Select Grade, (Count(Grade)* 100 / (Select Count(*) From MyTable)) as Score
From MyTable
Group By Grade
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Why is the apt-get function not working in the terminal on Mac OS X v10.9 (Mavericks)?
...edHat based systems.
Alpine based systems use apk.
Warning
As of 25 April 2016, homebrew opts the user in to sending analytics by default. This can be opted out of in two ways:
Setting an environment variable:
Open your favorite environment variable editor.
Set the following: HOMEBREW_NO_ANALYTICS=...