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Concept of void pointer in C programming
...type must be aligned at boundary of the size of data type (e.g. pointer to 32-bit integer must be aligned at 4-byte boundary to be dereferenced).
For example, reading uint16_t from void*:
/* may receive wrong value if ptr is not 2-byte aligned */
uint16_t value = *(uint16_t*)ptr;
/* portable way o...
What is your single most favorite command-line trick using Bash? [closed]
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votes
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How do I see what character set a MySQL database / table / column is?
...me
– Robin Winslow
Jun 7 '11 at 18:03
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This answer was very helpful, but if you want to trouble...
How can I use map and receive an index as well in Scala?
...ipWithIndex.foreach{ case (e, i) => println(i+" "+e) }
0 Mary
1 had
2 a
3 little
4 lamb
From: http://www.artima.com/forums/flat.jsp?forum=283&thread=243570
You also have variations like:
for((e,i) <- List("Mary", "had", "a", "little", "lamb").zipWithIndex) println(i+" "+e)
or:
List...
adding multiple entries to a HashMap at once in one statement
...Integer>()
{{
put("One", 1);
put("Two", 2);
put("Three", 3);
}};
As a piece of warning, please refer to the thread Efficiency of Java “Double Brace Initialization" for the performance implications that it might have.
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Is std::unique_ptr required to know the full definition of T?
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338
Adopted from here.
Most templates in the C++ standard library require that they be instantiat...
Returning http status code from Web Api controller
I'm trying to return a status code of 304 not modified for a GET method in a web api controller.
13 Answers
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mongodb count num of distinct values per field/key
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answered Feb 18 '13 at 2:43
StennieStennie
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How to request Administrator access inside a batch file
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358
This script does the trick! Just paste it into the top of your bat file. If you want to review...