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Sequence contains no elements?
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From "Fixing LINQ Error: Sequence contains no elements":
When you get the LINQ error "Sequence contains no elements", this is usually because you are using the First() or Single() command rather than FirstOrDefault() and SingleOrDefault()....
Escaping HTML strings with jQuery
... jsbin.com/fazimigayo/1/edit?html,js,console,output (and it should work on all earlier versions too)
– Henrik N
Nov 5 '16 at 20:46
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Why can I not push_back a unique_ptr into a vector?
...and then ask the std::vector to copy that instance during initialisation.
error: deleted function 'std::unique_ptr<_Tp, _Tp_Deleter>::uniqu
e_ptr(const std::unique_ptr<_Tp, _Tp_Deleter>&) [with _Tp = int, _Tp_D
eleter = std::default_delete<int>, std::unique_ptr<_Tp, _Tp_Del...
Authenticating in PHP using LDAP through Active Directory
...$_POST['username'], $_POST['password'])) {
// log them in!
} else {
// error message
}
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Getting value of public static final field/property of a class in Java via reflection
...t(null);
Exception handling is left as an exercise for the reader.
Basically you get the field like any other via reflection, but when you call the get method you pass in a null since there is no instance to act on.
This works for all static fields, regardless of their being final. If the field ...
Type or namespace name does not exist [closed]
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+1 to this. Horribly misleading error message. Probably saved me hours of trying to figure it out. Hey Microsoft how about "unable to import namespace BLAH because BLAH is an incompatible version" but then I guess it would have robbed Nathan of 184 upvote...
Efficient way to determine number of digits in an integer
... for all relevant k. That is is it guaranteed that any inevitable rounding error goes in the right direction. k + eps as a result works, k - eps doesn't. And "Perfectly precise" is naïve.
– gnasher729
Aug 1 '15 at 8:26
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Adding values to a C# array
Probably a really simple one this - I'm starting out with C# and need to add values to an array, for example:
23 Answers
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Run batch file as a Windows service
...art the service yourself
whitespace is required after =
I did encounter an error on service start that the service did not respond in a timely manner, but it was clear the service had run the .bat successfully. Haven't dug into this yet but this thread experienced the same thing and solved it using ...
How to find the sum of an array of numbers
...answered Apr 12 '17 at 7:31
OwChallieOwChallie
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