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Does a foreign key automatically create an index?
...ver must check that there are no orphan orders; if there are, it raises an error.
To check if there are any orders, Sql Server has to search the big orders table. Now if there is an index, the search will be fast; if there is not, the search will be slow.
So in this case, the slow delete could be ...
How to insert element into arrays at specific position?
...!is_int($index) || $index < 0 || $index > $size) {
echo "Error: Wrong index at Insert. Index: " . $index . " Current Size: " . $size;
echo "<br/>";
return false;
}
//here is the actual insertion code
//slice part of the array from 0...
Why does AuthorizeAttribute redirect to the login page for authentication and authorization failures
...utomatically pick it up instead of MVC's standard one. This results in an error: The type or namespace 'Authorize' could not be found ( are you missing a directive or an assembly reference?) Both using System.Web.Mvc; and the namespace for my custom AuthorizeAttribute class are referenced in the c...
Get epoch for a specific date using Javascript
...
One could minimize possible errors or misunderstandings specifying the time zone too. At least the actual (Linux-) versions of Firefox, Opera and Chrome support to instantiate a JavaScript Date like new Date("Jan 1, 1970 GMT+00:00, 00:01"); which also r...
Get average color of image via Javascript
...xt.getImageData(0, 0, width, height);
} catch(e) {
/* security error, img on diff domain */
return defaultRGB;
}
length = data.data.length;
while ( (i += blockSize * 4) < length ) {
++count;
rgb.r += data.data[i];
rgb.g += data.data[i+1];
...
Accessing JPEG EXIF rotation data in JavaScript on the client side
...mpting to even include binaryajax.js in my project causes an access denied error.
– Obi Wan
Oct 18 '13 at 20:53
Where ...
delegate keyword vs. lambda notation
...String(CultureInfo.InvariantCulture));
});
And I replace with lambda:(error)
var mytask = Task.Factory.StartNew(() =>
{
Thread.Sleep(5000);
return 2712;
});
mytask.ContinueWith(()=>
{
_backgroundTask.ContinueTask(() =>lblPercent.Content = mytask.Result.ToString(CultureInfo...
Export specific rows from a PostgreSQL table as INSERT SQL script
...user_name". I also almost succeed with ToraSQL tool, it's just that it has error in date-time data in the script result. If none can give GUI tool solution in 2 days, your answer will be accepted
– null
Oct 10 '12 at 9:54
...
R memory management / cannot allocate vector of size n Mb
... That is not a cure in general -- I've switched, and now I have Error: cannot allocate vector of size ... Gb instead (but yeah, I have a lot of data).
– om-nom-nom
Apr 11 '12 at 17:20
...
What's the difference between the WebConfigurationManager and the ConfigurationManager?
...hat it returns is located in System.Configuration.
If you are getting the error
Cannot apply indexing with [] to an expression of type
'System.Configuration.ConnectionStringSettingsCollection'
while trying to access the array index...
WebConfigurationManager.ConnectionStrings["Name"].Conn...