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How to define “type disjunction” (union types)?

...ever, since mixed types wouldn't work with overloading either, this may be what you want. First, declare a class with the types you wish to accept as below: class StringOrInt[T] object StringOrInt { implicit object IntWitness extends StringOrInt[Int] implicit object StringWitness extends Strin...
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Restore a postgres backup file using the command line?

...our first source of reference should be the man page pg_dump(1) as that is what creates the dump itself. It says: Dumps can be output in script or archive file formats. Script dumps are plain-text files containing the SQL commands required to reconstruct the database to the state...
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Changing Locale within the app itself

... This is actually what I need, I used to to call updateConfiguration() in MainActivity but the menus doesn't update when Application terminates then starts. You solution is right. If you want to refresh strings immediately, I think you still m...
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Why does the 260 character path length limit exist in Windows?

...f places and this, to my mind, reduces the portability of your .Net code. What if I wanted to keep Mono-compatibility? – Jeffrey Cameron Dec 10 '09 at 22:50 1 ...
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The difference between try/catch/throw and try/catch(e)/throw e

What is the difference between 4 Answers 4 ...
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GetManifestResourceStream returns NULL

...ceNames() on MSDN. Simply copy the relevant name, and use that instead of whatever you have defined in the variable 'resourceName'. Notes - the resource name is case sensitive, and if you have incorrectly embedded the resource file, it will not show up in the list returned by the call to GetManif...
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Finding three elements in an array whose sum is closest to a given number

... in O(n3) -- that's the brute-force baseline. Is it possible to do better? What if we pick the tuples in a somewhat smarter way? First, we invest some time to sort the array, which costs us an initial penalty of O(n log n). Now we execute this algorithm: for (i in 1..n-2) { j = i+1 // Start rig...
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What is the difference between a JavaBean and a POJO?

I'm not sure about the difference. I'm using Hibernate and, in some books, they use JavaBean and POJO as an interchangeable term. I want to know if there is a difference, not just in the Hibernate context, but as general concepts. ...
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How can I convert JSON to CSV?

...tly. In the exported CSV, some of the fields are surrounded by [u' and ']. What's the (non-post-processing) workaround? if there is one... :) – Dror Jul 10 '14 at 12:20 3 ...
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What are unit tests, integration tests, smoke tests, and regression tests?

What are unit tests, integration tests, smoke tests, and regression tests? What are the differences between them and which tools can I use for each of them? ...