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Help with C# generics error - “The type 'T' must be a non-nullable value type”
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You need to add a T : struct constraint:
public static Nullable<T> CoalesceMax<T>
(Nullable<T> a, Nullable<T> b) where T : struct, IComparable
Otherwise C# will try to work out what Nullable<T> means, and realise that it doesn't alr...
Database sharding vs partitioning
I have been reading about scalable architectures recently. In that context, two words that keep on showing up with regards to databases are sharding and partitioning . I looked up descriptions but still ended up confused.
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What is the difference between const int*, const int * const, and int const *?
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Read it backwards (as driven by Clockwise/Spiral Rule):
int* - pointer to int
int const * - pointer to const int
int * const - const pointer to int
int const * const - const pointer to const int
Now the first const can be on eith...
How do I measure execution time of a command on the Windows command line?
Is there a built-in way to measure execution time of a command on the Windows command line?
30 Answers
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What is sr-only in Bootstrap 3?
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According to bootstrap's documentation, the class is used to hide information intended only for screen readers from the layout of the rendered page.
Screen readers will have trouble with your forms if you don't include a label for eve...
How to round the minute of a datetime object
I have a datetime object produced using strptime() .
17 Answers
17
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Merge git repo into branch of another repo
Given repo Foo and repo Bar. I want to merge Bar with Foo, but only into a separate branch, called baz .
3 Answers
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If i synchronized two methods on the same class, can they run simultaneously?
...d two methods on the same class, can they run simultaneously on the same object ? for example:
12 Answers
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What generates the “text file busy” message in Unix?
What operation generates the error "text file busy"? I am unable to tell exactly.
12 Answers
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A Java collection of value pairs? (tuples?)
... easy enough to write on your own. For example, off the top of my head:
public class Pair<L,R> {
private final L left;
private final R right;
public Pair(L left, R right) {
assert left != null;
assert right != null;
this.left = left;
this.right = right;
}
public ...