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What must I know to use GNU Screen properly? [closed]
I've just introduced a friend to GNU Screen and they're having a hard time getting used to it. That makes me think about the essential things he needs to know about the excellent Screen utility, the same things that you'd think worthwhile to teach someone, a beginner, from the ground up. What ar...
byte[] to hex string [duplicate]
How do I convert a byte[] to a string ? Every time I attempt it, I get
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How to sort an array based on the length of each element?
I have an array like this:
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Scala 2.8 breakOut
In Scala 2.8 , there is an object in scala.collection.package.scala :
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What does the 'b' character do in front of a string literal?
Apparently, the following is the valid syntax:
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Java optional parameters
How do I use optional parameters in Java? What specification supports optional parameters?
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Default argument values in JavaScript functions [duplicate]
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Append value to empty vector in R?
I'm trying to learn R and I can't figure out how to append to a list.
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Understanding how recursive functions work
As the title explains I have a very fundamental programming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it....
Difference between save and saveAndFlush in Spring data jpa
...ed but not yet committed by other transactions.
– Gab是好人
Jan 31 '17 at 9:46
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