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Listing all permutations of a string/integer
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Here I have found the solution. It was written in Java, but I have converted it to C#. I hope it will help you.
Here's the code in C#:
static void Main(string[] args)
{
string str = "ABC";
char[] charArry = str.ToCharArray();
Permute(charArry, 0, 2);
Console.ReadKey();
}
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What is the point of a private pure virtual function?
...e);
would call void SetState( int var, int val ) from the derived class, converting true to int.
If the interface is not virtual and the virtual implementation is non-public, like in your exmaple, the author of the derived class has one less problem to think about and can simply write
class MyTu...
Testing whether a value is odd or even
... numbers are floats in JavaScript and using a bitwise operator means first converting it into an int, then performing the operation, and then converting it back to a floating point number.
– poke
Sep 25 '17 at 11:25
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Determine if map contains a value for a key?
... the map for a keyvalue that is '2'. IIRC the C++ compiler will implicitly convert '2' to an int, which results in the numeric value for the ASCII code for '2' which is not what you want.
Since your keytype in this example is int you want to search like this: m.find(2);
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android.content.res.Resources$NotFoundException: String resource ID #0x0
... it but it was not found, you wanted to set text so it should be string so convert integer into string by attaching .toStringe or String.valueOf(int) will solve your problem!
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Way to get number of digits in an int?
...I didn't realise all these if else statements would be SO much faster than converting the int to String then calling .length. +1
– Ogen
Aug 30 '14 at 4:01
15
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How do I clone a generic list in C#?
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I think List.ConvertAll might do this in faster time, since it can pre-allocate the entire array for the list, versus having to resize all the time.
– MichaelGG
Oct 21 '08 at 17:43
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Getting a slice of keys from a map
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Is there a way to convert this to []string?
– Doron Behar
May 29 '19 at 15:13
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How to initialize a List to a given size (as opposed to capacity)?
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Create an array with the number of items you want first and then convert the array in to a List.
int[] fakeArray = new int[10];
List<int> list = fakeArray.ToList();
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Set selected index of an Android RadioGroup
...as R.id.radioButton1), and reduces the need to implement a lookup table to convert index to view id.
– Siavash
Feb 17 '15 at 3:51
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