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SimpleTest vs PHPunit
...nt/en/installation.html
For SimpleTest, just download it and point to it from your code.
So Simpletest won for me.
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Why Collections.sort uses merge sort instead of quicksort?
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Highly likely from Josh Bloch §:
I did write these methods, so I suppose I'm qualified to answer. It is
true that there is no single best sorting algorithm. QuickSort has
two major deficiencies when compared to mergesort:
...
What are type lambdas in Scala and what are their benefits?
...icated type lambdas that are a pain to write out inline. Here's an example from my code from today:
// types X and E are defined in an enclosing scope
private[iteratee] class FG[F[_[_], _], G[_]] {
type FGA[A] = F[G, A]
type IterateeM[A] = IterateeT[X, E, FGA, A]
}
This class exists exclusiv...
Rails “validates_uniqueness_of” Case Sensitivity
...t for the new record and fail with a ugly server exception that comes back from the SQL adapter. If you do not have a database constraint, the insert will succeed and you now have two rows with 'foo' as the name.
See also "Concurrency and integrity" in the validates_uniqueness_of Rails documentat...
What's the purpose of the LEA instruction?
...ept it only does the indirection and not the MOV. It doesn't actually read from the computed address, just computes it.
– hobbs
Aug 28 '13 at 2:57
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Difference between Document-based and Key/Value-based databases?
...-value stores like redit doesn't allow you to store nested key:values? And from your description, then storing a whole database (from RDBMS) into Cassandra doesn't sound very clever cause it doesn't allow flexible query and has limited nesting depth, am I right?
– never_had_a_n...
What does Html.HiddenFor do?
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It creates a hidden input on the form for the field (from your model) that you pass it.
It is useful for fields in your Model/ViewModel that you need to persist on the page and have passed back when another call is made but shouldn't be seen by the user.
Consider the followi...
How to convert a boolean array to an int array
...array([0, 0, 1, 1])
If you are asking for a way to convert Python lists from Boolean to int, you can use map to do it:
>>> testList = [False, False, True, True]
>>> map(lambda x: 1 if x else 0, testList)
[0, 0, 1, 1]
>>> map(int, testList)
[0, 0, 1, 1]
Or using lis...
proper name for python * operator?
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In Ruby and Perl 6 this has been called "splat", and I think most people from those communities will figure out what you mean if you call it that.
The Python tutorial uses the phrase "unpacking argument lists", which is long and descriptive. I haven't heard any other particular name for it in Py...
String vs. StringBuilder
...no reason why the C# compiler needs to treat the second sample differently from the first. In particular there is no obligation to produce a string at the end of each line. The compiler may behave as you say, but it's under no obligation to do so.
– CodesInChaos
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