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Uploading Files in ASP.net without using the FileUpload server control
...e);
}
}
catch(Exception BlueScreen)
{
//Handle errors
}
}
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Sequence contains no matching element
...'d expect it's this line that's throwing the exception:
var documentRow = _dsACL.Documents.First(o => o.ID == id)
First() will throw an exception if it can't find any matching elements. Given that you're testing for null immediately afterwards, it sounds like you want FirstOrDefault(), which r...
Remote debugging Tomcat with Eclipse
...g when it successfully connects, and reconnecting a second time forces the error. So it was working, but I just didn't notice.
– victor
Oct 1 '10 at 17:18
18
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How do arrays in C# partially implement IList?
...er? That one obviously says "I have no idea how to do that!" and issues an error. It needs an explicit cast to IList<T> in order to work.
– Tobias Knauss
May 12 '17 at 10:35
...
Where does npm install packages?
...and then npm updated with npm itself, you may be getting command not found errors. If so, add the aboveto your PATH: export PATH=$PATH:$(npm bin -g) voila
– jacob
Nov 5 '18 at 11:20
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Why can I throw null in Java? [duplicate]
...ome method for generating an exception, like Exception generateExceptionForErrorCode( int errorCode ) or whatever, and if that (due to a bug) returned null, you'd end up trying to throw null. The Java compiler doesn't do null analysis so would not notice this.
– Calum
...
Can I extend a class using more than 1 class in PHP?
...u really want to fake multiple inheritance, you can use the magic function __call().
This is ugly though it works from class A user's point of view :
class B {
public function method_from_b($s) {
echo $s;
}
}
class C {
public function method_from_c($s) {
echo $s;
}...
Hide the cursor of an UITextField
...irst, store the text field's selected text range to an instance variable.
_textFieldSelectedTextRange = textField.selectedTextRange;
textField.selectedTextRange = nil; // hides caret
Then, when you want to unhide the caret, simply set the text field's selected text range back to what it was origi...
How can I upgrade specific packages using pip and a requirements file?
...trying to upgrade some packages, notably Django itself, and I'm getting an error about source code conflicts:
10 Answers
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Problems with DeploymentItem attribute
...pied the file correctly while MSTest failed to do so. --> I experienced errors while dev was OK. Change to 'Test-> Edit Test Settings -> Local settings -> Deployment' including the file in question fixed this for my MSTest use.
– sonstabo
Jun 22 '11...