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– Leon Barkan
Oct 17 '17 at 6:32
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Hidden Features of C#? [closed]
...e
edited Sep 12 '09 at 20:32
community wiki
2 r...
What would a “frozen dict” be?
...ict(collections.Mapping):
"""Don't forget the docstrings!!"""
def __init__(self, *args, **kwargs):
self._d = dict(*args, **kwargs)
self._hash = None
def __iter__(self):
return iter(self._d)
def __len__(self):
return len(self._d)
def __getitem__...
Compelling examples of custom C++ allocators?
...nging a single
std::vector<T>
to
std::vector<T,tbb::scalable_allocator<T> >
(this is a quick and convenient way of switching the allocator to use TBB's nifty thread-private heaps; see page 7 in this document)
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SPAN vs DIV (inline-block)
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edited Jul 15 at 7:32
Seth
333 bronze badges
answered Mar 22 '18 at 15:46
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What is the difference between `sorted(list)` vs `list.sort()`?
...
329
sorted() returns a new sorted list, leaving the original list unaffected. list.sort() sorts th...
What's the best way to inverse sort in scala?
...way of changing the sign, if you sort by some numeric value
list.sortBy(- _.size)
More generally, sorting may be done by method sorted with an implicit Ordering, which you may make explicit, and Ordering has a reverse (not the list reverse below)
You can do
list.sorted(theOrdering.reverse)
If...
What is the Scala identifier “implicitly”?
...000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4.61182 48.1414 4.61182C47.4335 4.61182 46.7256 4.91628 46.0943 5.50789C45.7307 4.9328 4...
Troubleshooting “Illegal mix of collations” error in mysql
...ERE clause will always give the error you posted:
WHERE 'A' COLLATE latin1_general_ci = 'A' COLLATE latin1_general_cs
Your solution is to specify a shared collation for the two columns within the query. Here is an example that uses the COLLATE clause:
SELECT * FROM table ORDER BY key COLLATE lat...
What is the purpose of Rank2Types?
... Country) -> IO ()
The problem is that we could accidentally run
f (\_ -> BestAlly)
and then we'd be in big trouble! Giving f a rank 1 polymorphic type
f :: ([a] -> a) -> IO ()
doesn't help at all, because we choose the type a when we call f, and we just specialize it to Country ...