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What's the difference between SoftReference and WeakReference in Java?
... garbage collector's ability to
determine reachability for you, so you
don't have to do it yourself. You
create a weak reference like this:
WeakReference weakWidget = new WeakReference(widget);
and then
elsewhere in the code you can use
weakWidget.get() to get the actual
Widget ob...
Mercurial - all files that changed in a changeset?
...s is so much easier to type than hg status --rev REV~1:REV which I used to do.
– Patrick Oscity
Jan 24 '14 at 11:14
3
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Converting java.util.Properties to HashMap
... Yes, but that is not the problem here: the generic arguments don't match. You can feed whatever you want in a Hashtable<Object, Object>, even things which are not strings -- even keys which are not strings.
– fge
Jun 20 '13 at 8:56
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Remove URL parameters without refreshing page
I am trying to remove everything after the "?" in the browser url on document ready.
13 Answers
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How can you profile a Python script?
...batch file called 'profile.bat':
python -m cProfile %1
So all I have to do is run:
profile euler048.py
And I get this:
1007 function calls in 0.061 CPU seconds
Ordered by: standard name
ncalls tottime percall cumtime percall filename:lineno(function)
1 0.000 0.000 0.061 0...
How to sum up elements of a C++ vector?
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Why do your lambda examples use for_each? accumulate would be more concise (even if it doesn't need the lambda)
– jalf
Jul 11 '10 at 7:15
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Using Python String Formatting with Lists
...entries in list x . I need to write out a formatted string. The following doesn't work, but indicates what I'm trying to do. In this example, there are three %s tokens and the list has three entries.
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Parameterize an SQL IN clause
How do I parameterize a query containing an IN clause with a variable number of arguments, like this one?
40 Answers
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targetContentOffsetForProposedContentOffset:withScrollingVelocity without subclassing UICollectionVi
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OK, answer is no, there is no way to do this without subclassing UICollectionViewFlowLayout.
However, subclassing it is incredibly easy for anyone who is reading this in the future.
First I set up the subclass call MyCollectionViewFlowLayout and then in interf...
Fastest way to get the first object from a queryset in django?
...n Django, or return None if there aren't any. There are lots of ways to do this which all work. But I'm wondering which is the most performant.
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