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I can convert byte array to ASCII string in C# by Encoding.ASCII.Getstring() method.
But I don't know how to convert Span to String.
Added I want to use Span<byte>.ToArray().
Encoding.GetString does not accept Span<byte>.
But you can create a Extension Method:
public static class EncodingExtensions
{
public static string GetString(this Encoding encoding, Span<byte> source)
{
//naive way using ToArray, but possible to improve when needed
return encoding.GetString(source.ToArray());
}
}
Then you are able to call:
var foo = new Span<byte>();
var bar = Encoding.ASCII.GetString(foo);
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Is it possible to look up if a string in contained in an Array, with a switch case?
string text = "blalbac";
string arr[] = {"a","b","c"};
switch (text)
{
case arr.Contains(filename):
//do..
break;
}
I’m not sure what you’re trying to do. Do you want something like
foreach(string item in arr)
{
if(text.Contains(item))
{
...
}
}
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Can a property GridTerminalSystem have a method named GetBlockWithName?
class Program
{
static void Main(string[] args)
{
var InteriorLight = GridTerminalSystem.GetBlockWithName("Interior Light") as IMyInteriorLight;
InteriorLight.ApplyAction("OnOff_On");
}
}
var InteriorLight = GridTerminalSystem.GetBlockWithName("Interior Light") as IMyInteriorLight;
Here you are calling the static method GetBlockWithName of class GridTerminalSystem and passing in a string argument "Interior Light". Then, the result is being casted to IMyInteriorLight, and assigned to InteriorLight variable.
InteriorLight.ApplyAction("OnOff_On");
Here you are calling the method ApplyAction on the IMyInteriorLight instance that was previously assigned to InteriorLight. You are passing in a string "OnOff_On" to the method. Apparently, the method does not return anything (void), as there is no assignment.
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I trying to make something like that:
// int counter; - this is changing in ther other parts of program
bool abc1; bool abc2; bool abc3; bool abc4;
if("abc" + counter == true)
{
//some code
}
Anyway, I need to convert string and int to bool name. How can I do this?
Use an array instead:
bool[] abc;
// ...
if (abc[counter] == true) {
{
// some code.
}
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I got this class that I'm using for spin text.
public class Spinner
{
private static Random rnd = new Random();
public static string Spin(string str)
{
string regex = #"\{(.*?)\}";
return Regex.Replace(str, regex, new MatchEvaluator(WordScrambler));
}
public static string WordScrambler(Match match)
{
string[] items = match.Value.Substring(1, match.Value.Length - 2).Split('|');
return items[rnd.Next(items.Length)];
}
}
But I need it to be able to spin multi spintax text.
As example
{1|2} - {3|4}
Returns: 2 - 4
So it works.
But:
{{1|2}|{3|4}} - {{5|6}|{7|8}}
Returns: 2|4} - {5|7}
So it doesn't work if there is spintax inside spintax.
Any help? :)
Regular expressions are not good in dealing with nested structures, which means you should probably try a different approach.
In your example, {{1|2}|{3|4}} - {{5|6}|{7|8}} is the same as {1|2|3|4} - {5|6|7|8}, so maybe you don't need nested spintax.
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How apply linq select to string array in C#
ex :
string[] result;
...
result.Select(..)
?
Thanks.
You pass in a lambda function that tells the system what you want to do with each string.
string[] result;
...
var newList = result.Select(s => {do something with s});
The function can do most anything that takes a string as an input and returns a value - it doesn't even have to return a string! For example, if the strings contained numeric characters, you could return a collection of numbers:
IEnumerable<int> newList = result.Select(s => int.Parse(s));
Note that the original array will not be changed.