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Proper usage of Java -D command-line parameters
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– Paŭlo Ebermann
Feb 18 '11 at 22:03
Feel kinda stupid on how much time I spent on that one! Thanks for pointing tha...
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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GCD to perform task in main thread
...ead?’
– user557219
Dec 18 '11 at 10:17
7
You DO, however, need to check if you use dispatch_syn...
How to download/checkout a project from Google Code in Windows?
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answered Mar 30 '11 at 22:22
Tom ChantlerTom Chantler
13.9k44 gold badges4141 silver badges5050 bronze badges
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How can I check if a key is pressed during the click event with jQuery?
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answered Mar 15 '10 at 7:33
kkyykkyy
11k33 gold badges2929 silver badges2727 bronze badges
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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...
Docker: adding a file from a parent directory
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– Marcel Hernandez
Mar 25 '16 at 20:31
Not that I know of. You could push the image to the registry instead of using...
What is “lifting” in Scala?
...ion.
scala> val pf: PartialFunction[Int, Boolean] = { case i if i > 0 => i % 2 == 0}
pf: PartialFunction[Int,Boolean] = <function1>
scala> pf.lift
res1: Int => Option[Boolean] = <function1>
scala> res1(-1)
res2: Option[Boolean] = None
scala> res1(1)
res3: Option[...
Java: How to set Precision for double value? [duplicate]
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See also my answer to this question for a refutation of the inevitable *100/100 answers.
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Homebrew install specific version of formula?
...ormula in homebrew? For example, postgresql-8.4.4 instead of the latest 9.0.
27 Answers
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