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Memoization in Haskell?
...to index into it, so we can find a node with index n in O(log n) time instead:
index :: Tree a -> Int -> a
index (Tree _ m _) 0 = m
index (Tree l _ r) n = case (n - 1) `divMod` 2 of
(q,0) -> index l q
(q,1) -> index r q
... and we may find a tree full of natural numbers to be ...
What's the difference between --general-numeric-sort and --numeric-sort options in gnu sort
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Comparison is exact; there is no
rounding error.
Neither a leading ‘+’ nor exponential
notation is recognized. To compare
such strings numerically, use the
--general-numeric-sort (-g) option.
share
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Entity Framework and Connection Pooling
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Connection pooling is handled as in any other ADO.NET application. Entity connection still uses traditional database connection with traditional connection string. I believe you can turn off connnection pooling in connection string if you don't want to use it. (read more...
Can I use view pager with views (not with fragments)
...sition) {
View v = layoutInflater.inflate(...);
...
collection.addView(v,0);
return v;
}
@Override
public void destroyItem(ViewGroup collection, int position, Object view) {
collection.removeView((View) view);
}
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How to handle both a single item and an array for the same property using JSON.net
...get; set; }
}
Here is how I would implement the converter. Notice I've made the converter generic so that it can be used with strings or other types of objects as needed.
class SingleOrArrayConverter<T> : JsonConverter
{
public override bool CanConvert(Type objectType)
{
re...
Making 'git log' ignore changes for certain paths
...noted
If you're running Git in a Bash shell, use ':!sub' or ":\!sub" instead to avoid bash: ... event not found errors
Note: Git 2.13 (Q2 2017) will add a synonym ^to !
See commit 859b7f1, commit 42ebeb9 (08 Feb 2017) by Linus Torvalds (torvalds).
(Merged by Junio C Hamano -- gitster -- in commit...
Use of Finalize/Dispose method in C#
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Omer K
4,94699 gold badges4949 silver badges7272 bronze badges
answered May 22 '09 at 16:52
thecoopthecoop
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Disable JavaScript error in WebBrowser control
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abatishchev
89.7k7272 gold badges279279 silver badges417417 bronze badges
answered Mar 19 '10 at 10:13
Matt JacobsenMatt Jacobsen...
What are the differences between a pointer variable and a reference variable in C++?
I know references are syntactic sugar, so code is easier to read and write.
41 Answers
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Bash tool to get nth line from a file
Is there a "canonical" way of doing that? I've been using head -n | tail -1 which does the trick, but I've been wondering if there's a Bash tool that specifically extracts a line (or a range of lines) from a file.
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