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What is the best way to create constants in Objective-C
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386
The first question is what scope you want your constants to have, which is really two question...
Compiling C++11 with g++
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543
Flags (or compiler options) are nothing but ordinary command line arguments passed to the compil...
Submitting the value of a disabled input field
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SarfrazSarfraz
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How to cancel a pull request on github?
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132
GitHub now supports closing a pull request
Basically, you need to do the following steps:
Visi...
How can I check whether a numpy array is empty or not?
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317
You can always take a look at the .size attribute. It is defined as an integer, and is zero (0...
Create list of single item repeated N times
....timeit('itertools.repeat(0, 10)', 'import itertools', number = 1000000)
0.37095273281943264
>>> timeit.timeit('[0] * 10', 'import itertools', number = 1000000)
0.5577236771712819
But wait - it's not a fair test...
>>> itertools.repeat(0, 10)
repeat(0, 10) # Not a list!!!
The...
How to find a table having a specific column in postgresql
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edited Aug 29 '13 at 10:46
answered Aug 29 '13 at 10:39
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Are HLists nothing more than a convoluted way of writing tuples?
...latten : Flatten[L]) : flatten.Out =
flatten(hl(t))
val t1 = (1, ((2, 3), 4))
val f1 = flatten(t1) // Inferred type is Int :: Int :: Int :: Int :: HNil
val l1 = f1.toList // Inferred type is List[Int]
val t2 = (23, ((true, 2.0, "foo"), "bar"), (13, false))
val f2 = flatten(t2)
val t2...
Backing beans (@ManagedBean) or CDI Beans (@Named)?
I've just started reading through Core JavaServer Faces, 3rd Ed. and they say this (emphasis mine):
5 Answers
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Entity Framework - Start Over - Undo/Rollback All Migrations
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358
You can rollback to any migration by using:
Update-Database -TargetMigration:"MigrationName"
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