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Is the Scala 2.8 collections library a case of “the longest suicide note in history”? [closed]
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98
Update: The final Scala 2.8 release has a mechanism like the one I described. If you look up BitSet in the scaladocs you find: def map ...
Best way to test for a variable's existence in PHP; isset() is clearly broken
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Mark Amery
98.9k4848 gold badges336336 silver badges379379 bronze badges
answered Jan 6 '09 at 21:07
ZoredacheZo...
Colors in JavaScript console
... 50%), 7px 96px hsl(518.4, 100%, 50%), 5px 97px hsl(523.8, 100%, 50%), 3px 98px hsl(529.2, 100%, 50%), 1px 99px hsl(534.6, 100%, 50%), 7px 100px hsl(540, 100%, 50%), -1px 101px hsl(545.4, 100%, 50%), -3px 102px hsl(550.8, 100%, 50%), -5px 103px hsl(556.2, 100%, 50%), -7px 104px hsl(561.6, 100%, 50%)...
What is “rvalue reference for *this”?
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There is an additional use case for the lvalue ref-qualifier form. C++98 has language that allows non-const member functions to be called for class instances that are rvalues. This leads to all kinds of weirdness that is against the very concept of rvalueness and deviates from how built-in type...
How using try catch for exception handling is best practice
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catch(Exception ex) { throw ex; } in C# is worse than redundant (regardless of the exception type you're catching). To rethrow, use throw;....
What does the `forall` keyword in Haskell/GHC do?
...in onJust mval
This code doesn't compile (syntax error) in plain Haskell 98. It requires an extension to support the forall keyword.
Basically, there are 3 different common uses for the forall keyword (or at least so it seems), and each has its own Haskell extension: ScopedTypeVariables, RankNTyp...
In Java, what is the best way to determine the size of an object?
... .root.next.next.next.atom.val$lhs.val$lhs.val$rhs (object)
d5e64f98 24 java.util.regex.Pattern$5 .root.next.next.next.atom.val$lhs.val$lhs (object)
d5e64fb0 24 java.util.regex.Pattern$1 .root.next.next.next.atom.val$lhs.val$rhs (object)
d5e64...
List comprehension vs map
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98
Python 2: You should use map and filter instead of list comprehensions.
An objective reason why...
No generic implementation of OrderedDictionary?
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Implementing a generic OrderedDictionary isn't terribly difficult, but it's unnecessarily time ...
Hidden Features of MySQL
...LL |
| 5 | system user | | NULL | Connect | 98 | Waiting for master to send event | NULL |
| 6 | system user | | NULL | Connect | 5018 | Reading event from the relay log | NULL |
+-----+------+-----------+---------+---------+---...