Ty for the answer, i have nice options here! [?] 2010/7/27 Theraot <[email protected]>
> //watashi no falo e vostro idiom. :P C# gomen nasei?
>
> I know peoples, that this may be one of those left with no answer, we
> like to enforce english, isn't it?
>
> static byte[] convert (byte?[] array) //converts one to one,
> low memory use and fast to write
> {
> const byte nullvalue = 0;
> return Array.ConvertAll<byte?, byte>
> (
> array
> ,
> input =>
> {
> if (input.HasValue)
> {
> return input.Value;
> }
> else
> {
> return nullvalue;
> }
> }
> );
> }
>
> static byte[] convert (byte?[] array) //A bit more versatile
> {
> const byte nullvalue = 0;
> int length = array.Length;
> List<byte> result = new List<byte>();
> for (int i = 0; i < length; i++)
> {
> byte? input = array[i];
> if (input.HasValue)
> {
> result.Add(input.Value);
> }
> else
> {
> result.Add(nullvalue);
> //use "continue" instead to skip the nulls
> }
> }
> return result.ToArray();
> }
>
> static byte[] convert (byte?[] array) //Concurrent, no
> warranty on the order, fater with multiple cores
> {
> const byte nullvalue = 0;
> int length = array.Length;
> var result = new
> System.Collections.Concurrent.ConcurrentQueue<byte>();
> System.Threading.Tasks.Parallel.For
> (
> 0,
> length,
> i =>
> {
> byte? input = array[i];
> if (input.HasValue)
> {
> result.Enqueue(input.Value);
> }
> else //skip this else to skip the nulls
> {
> result.Enqueue(nullvalue);
> }
> }
> );
> return result.ToArray();
> }
>
> Let's try to make something useful of this thread, now that I've made
> the above gift, that has the risk of being just copy->paste and never
> understood....
> Hesre the situation, any body can write a concurrent solutuon that
> warranties the order and allows to skip the nulls? and what the
> solution of those that has the less memory usage?
>
> On 26 jul, 07:10, Bernardo Rosmaninho <[email protected]>
> wrote:
> > Bom dia galera,
> > Alguém já teve que gravar em um campo BLOB not null e tenho que
> converter
> > um array de bytes Nulable em um array de bytes.
> > Podem me dar uma ajuda?
> > []'s
> >
> > --
> > Bernardo Rosmaninho
>
--
Bernardo Rosmaninho
<<330.gif>>
