C#

bool IsOpenForLetter(int x, int y, ulong isempty)
{
    // assumes the isempty data is laid out as partially filled 8x8 bool array, padded with False
    int index = x + 8 * y;
    ulong isnotempty = ~isempty;
    return ((isempty >> index) & // check middle
        (isnotempty >> (index + 1)) & // check right
        (isnotempty >> (index - 1)) & // check left
        (isnotempty >> (index + 8)) & // check below
        (isnotempty >> (index - 8)))  // check above
        != 0;
}

treuveni wrote:

What i'm doing wrong?

XNamespace myNamespace = "some namespace";
var query = from response in xmlDoc.Elements(myNamespace + "PersonsMin")
select response;

Pete O'Hanlon wrote:

you've forgotten to add the XML namespace to the query

XNamespace myNamespace = "some attribute";<br />
var query = from response in xmlDoc.Elements(myNamespace + "PersonsMin")<br />
select response;

Pete O'Hanlon wrote:

Whereever you see xmlns in your XML, that's the namespace that you need to
include to pick it up.

var query = from response in xDoc.Descendants(ns + "PersonsMin")
            select response;

SELECT TOP 1 Count(*) AS Expr1, ScrapCodeID
FROM ScrapCodes 
INNER JOIN Repairs ON ScrapCodes.ID = Repairs.ScrapCodeID
WHERE FailureCode = 13
GROUP BY Repairs.ScrapCodeID
ORDER BY Count(*) DESC;

Ennis Ray Lynch, Jr. wrote:

DateTime.ParseExact("20011215", "yyyyMMdd"); //note the capital M's

DateTime d = DateTime.ParseExact("20011215", "yyyyMMdd", System.Globalization.CultureInfo.InvariantCulture);