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What does 'stale file handle' in Linux mean?
...e directory. Through another terminal, I delete that directory and restore it back from an identical backup. When I try to vim a file from the first terminal, in the same directory, why do I get an error about a stale file handle? What does it mean? (On a side note, I have found that it is possibl...
CSS Box Shadow Bottom Only [duplicate]
How can I do this? I want my element to look as though it has a shadow underline. I don't want the shadow for the other 3 sides.
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Check if a String contains numbers Java
I'm writing a program where the user enters a String in the following format:
14 Answers
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Cocoa Core Data efficient way to count entities
... about Core Data.. but what is an efficient way to make a count over an Entity-Type (like SQL can do with SELECT count(1) ...). Now I just solved this task with selecting all with NSFetchedResultsController and getting the count of the NSArray ! I am sure this is not the best way...
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Database sharding vs partitioning
I have been reading about scalable architectures recently. In that context, two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused.
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How to reference a file for variables using Bash?
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Nevermind, I found the solution and posted it for others.
– Elliot Chance
Jul 28 '15 at 23:56
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The difference between sys.stdout.write and print?
Are there situations in which sys.stdout.write() is preferable to print ?
15 Answers
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In Java, what does NaN mean?
...to produce
some undefined result. For example,
0.0 divided by 0.0 is arithmetically undefined. Taking the square root of a
negative number is also undefined.
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How do I move files in node.js?
...hell) on node.js? Is there any method for that or should I read a file, write to a new file and remove older file?
15 Answ...
How to pretty print XML from Java?
I have a Java String that contains XML, with no line feeds or indentations. I would like to turn it into a String with nicely formatted XML. How do I do this?
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