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SQL query for finding records where count > 1
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350
Use the HAVING clause and GROUP By the fields that make the row unique
The below will find
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Method to Add new or update existing item in Dictionary
... Steven
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answered Nov 22 '10 at 11:50
ulrichbulrichb
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How to convert a ruby hash object to JSON?
...though).
So, take a look here:
car = {:make => "bmw", :year => "2003"}
# => {:make=>"bmw", :year=>"2003"}
car.to_json
# NoMethodError: undefined method `to_json' for {:make=>"bmw", :year=>"2003"}:Hash
# from (irb):11
# from /usr/bin/irb:12:in `<main>'
require 'json'
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Jackson how to transform JsonNode to ArrayNode without casting?
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answered May 28 '13 at 13:18
PerceptionPerception
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Git diff against a stash
... thedayturns
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answered Oct 6 '11 at 16:50
AmberAmber
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SQL Group By with an Order By
...oyesScott Noyes
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9
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How do I check if a type is a subtype OR the type of an object?
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edited Jul 4 '14 at 13:42
Andrea Colleoni
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a...
How to set or change the default Java (JDK) version on OS X?
... will output something like the following:
Matching Java Virtual Machines (3):
1.8.0_05, x86_64: "Java SE 8" /Library/Java/JavaVirtualMachines/jdk1.8.0_05.jdk/Contents/Home
1.6.0_65-b14-462, x86_64: "Java SE 6" /System/Library/Java/JavaVirtualMachines/1.6.0.jdk/Contents/Home
1.6.0_65-b14-462, i3...
Why doesn't Java allow generic subclasses of Throwable?
According to the Java Language Sepecification , 3rd edition:
5 Answers
5
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What's the Best Way to Shuffle an NSMutableArray?
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edited Dec 27 '13 at 7:08
HRM
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answered...