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C/C++ check if one bit is set in, i.e. int variable
... there such a way to check if bit 3 in temp is 1 or 0 without bit shifting and masking.
21 Answers
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Get output parameter value in ADO.NET
...ially you just need to create a SqlParameter, set the Direction to Output, and add it to the SqlCommand's Parameters collection. Then execute the stored procedure and get the value of the parameter.
Using your code sample:
// SqlConnection and SqlCommand are IDisposable, so stack a couple using()...
How to resize Image in Android?
I am creating an application and want to setup a gallery view. I do not want the images in the gallery view to be full size. How do I resize images in Android?
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What XML parser should I use in C++? [closed]
...ow, but it's simple and obvious. It has a lot of convenience functions for converting attributes and so forth.
Writing XML is no problem in TinyXML. You just new up some objects, attach them together, send the document to a std::ostream, and everyone's happy.
There is also something of an ecosystem ...
How to compute the similarity between two text documents?
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with 17 stored elements in Compressed Sparse Row format>
You can convert the sparse array to a NumPy array via .toarray() or .A:
>>> pairwise_similarity.toarray() ...
How to do constructor chaining in C#
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You use standard syntax (using this like a method) to pick the overload, inside the class:
class Foo
{
private int id;
private string name;
public Foo() : this(0, "")
{
}
public Foo(int id, string name)
...
What limits does scala place on the “acceptable complexity” of inferred types?
...or example, the type of if (cond) e1 else e1 is the LUB of the types of e1 and e1.
These types can get quite large, for example try this in a REPL:
:type Map(1 -> (1 to 10), 2 -> (1 to 10).toList)
scala.collection.immutable.Map[Int,scala.collection.immutable.Seq[Int] with scala.collection.Ab...
C++ Best way to get integer division and remainder
I am just wondering, if I want to divide a by b, and am interested both in the result c and the remainder (e.g. say I have number of seconds and want to split that into minutes and seconds), what is the best way to go about it?
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How do you format an unsigned long long int using printf?
...
Or to be precise it's for GNU libc, and doesn't work with Microsoft's C runtime.
– Mark Baker
Oct 8 '08 at 9:35
171
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How to create a HashMap with two keys (Key-Pair, Value)?
...= 31 * result + y;
return result;
}
}
Implementing equals() and hashCode() is crucial here. Then you simply use:
Map<Key, V> map = //...
and:
map.get(new Key(2, 5));
Table from Guava
Table<Integer, Integer, V> table = HashBasedTable.create();
//...
table.get(2, 5);...