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C# encoding.ascii.getstring problem


C# encoding.ascii.getstring problem

By : user3851312
Date : October 17 2020, 11:12 AM
may help you . There should be no difference for this code whether you run it in a console or WinForms application. I think you must have an error elsewhere in your code.
Guessing from the error message, perhaps you wrote the following by accident:
code :


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c# and Encoding.ASCII.GetString

c# and Encoding.ASCII.GetString


By : user1099589
Date : March 29 2020, 07:55 AM
wish help you to fix your issue In this case you'd be better to compare the byte arrays rather than converting to string.
If you must convert to string, I suggest using the encoding Latin-1 aka ISO-8859-1 aka Code Page 28591 encoding, as this encoding will map all bytes with hex values are in the range 0-255 to the Unicode character with the same hex value - convenient for this scenario. Any of the following will get this encoding:
code :
Encoding.GetEncoding(28591)
Encoding.GetEncoding("Latin1")
Encoding.GetEncoding("ISO-8859-1")
Ruby equivalent to .NET's Encoding.ASCII.GetString(byte[])

Ruby equivalent to .NET's Encoding.ASCII.GetString(byte[])


By : Stella Saleh
Date : March 29 2020, 07:55 AM
it should still fix some issue Assuming your data is in an array like so (each element is a byte, and further, from the description you posted, no larger than 127 in value, that is, a 7-bit ASCII character):
code :
array =[104, 101, 108, 108, 111]

string = array.pack("c*") 
require "iconv"
require "pp"

#Ruby representation of unicode characters is different
unicodeString = "This unicode string contains two characters " +
                "with codes outside the ASCII code range, " +
                "Pi (\342\x03\xa0) and Sigma (\342\x03\xa3).";

#printing original string
puts unicodeString 

i = Iconv.new("ASCII//IGNORE","UTF-8")

#Printing converted string, unicode characters stripped
puts i.iconv(unicodeString)
bytes = i.iconv(unicodeString).unpack("c*")
#printing array of bytes of converted string
pp bytes
Encoding.ASCII.GetString() Problem VB.NET

Encoding.ASCII.GetString() Problem VB.NET


By : user2882893
Date : March 29 2020, 07:55 AM
should help you out You are ignoring the return value of the Read method, which would tell you how many bytes it actually did read. Everything after that in the buffer is garbage. Also it would tell you if you have read all of the stream or not, so you have no idea if you read all the data, or how much data there is.
Use the return value of the Read method to determine what you get, and whether you need to call it again. Assuming that an array of 1000 bytes is enough to hold the stream, this should work:
code :
Dim bb(999) As Byte
Dim pos As Integer = 0
Dim len As Integer
Do
  len = ns.Read(bb, pos, bb.Length - pos)
  pos += len
Loop While len > 0
Encoding.ASCII.GetString(bb, 0, len)
MonoDroid : Encoding.ASCII.GetString failing

MonoDroid : Encoding.ASCII.GetString failing


By : Datmobile2012
Date : March 29 2020, 07:55 AM
I wish this help you Paging data and downloading in chunks might be the only correct and scalable/robust solution here.
For now, the code below is not blowing up, it may be that I have not hit the tipping point. But this is my first pass at chunking on the device. Encoding.ASCII.GetString does not blowing up in the code below.
code :
private string ExecuteRequest(Uri url, KeyValuePair<string, string>[] postItems = null)
{
    var data = new byte[0];
    var response = new byte[0];
    ///switched to WebClient because
    /// http://stackoverflow.com/questions/8167726/monodroid-intermittent-failure-when-reading-a-large-json-string-from-web-servi
    using (var client = new WebClient())
    {
        if (postItems != null && postItems.Count() > 0)
        {
            string dataString = string.Join("&", postItems.Select(
                                    item => string.Format("{0}={1}", item.Key, item.Value)).ToArray());
            data = new ASCIIEncoding().GetBytes(dataString);
        }
        response = client.UploadData(url, "POST", data);
        Android.Util.Log.Info("info", "response from the post received. about to get string");
        client.Dispose();
    }
    try
    {
        Android.Util.Log.Info("info", "response size : {0}", response.Length);
        var chunkSize = 50000;
        if (response.Length > chunkSize)
        {
            var returnValue = new StringBuilder();
            for (int i = 0; i < response.Length; i+= chunkSize)
            {                        
                int end = (i + chunkSize) > response.Length ? response.Length - i : chunkSize;
                returnValue.Append(Encoding.ASCII.GetString(response, i, end));
                Android.Util.Log.Info("info", "added a chunk from {0} to {1}", i, end);
            }
            return returnValue.ToString();
        }
        return Encoding.ASCII.GetString(response);
    }
    catch (Exception ex)
    {
        Android.Util.Log.Info("info", 
            "Encoding.ASCII.GetString Exception : {0}, {1}", ex.Message, ex.StackTrace);
        throw new ApplicationException("UnRecoverable. Abort");
    }            
}
Encoding.ASCII.GetString for ReadOnlySpan<byte>

Encoding.ASCII.GetString for ReadOnlySpan<byte>


By : user1838367
Date : March 29 2020, 07:55 AM
this one helps. Doubtful. The .NET Framework proper does not support Span and its family since it requires CLR work (and it appears the .NET Framework is sunsetting). Here's a thread you can follow: https://github.com/Microsoft/dotnet/issues/770
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