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How to use the CancellationToken property?
...t points where you can stop executing safely across loop body, and loop usually have some logical condition to exit (iterate over all items in collection etc.). So I believe it's better not to mix that conditions as they have different intention.
Cautionary note about avoiding CancellationToken.Thr...
Python nonlocal statement
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@Dustin - Actually, if you had class A with an attribute x and a subclass B defined in it, you would refer to x from within B as A.x
– Anon
Aug 11 '09 at 18:37
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Why there is no ForEach extension method on IEnumerable?
...s done at runtime, ForEach() is at compile time (Big Plus!)
The syntax to call a delegate is indeed much simpler: objects.ForEach(DoSomething);
ForEach() could be chained: although evilness/usefulness of such a feature is open to discussion.
Those are all great points made by many people here and ...
Obtaining a powerset of a set in Java
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st0lest0le
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How do Mockito matchers work?
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Mockito matchers are static methods and calls to those methods, which stand in for arguments during calls to when and verify.
Hamcrest matchers (archived version) (or Hamcrest-style matchers) are stateless, general-purpose object instances that implement Matcher<...
Difference between ObservableCollection and BindingList
...se I've used both to notify for any add/delete change in Source, but I actually do not know when to prefer one over the other.
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Why do C++ libraries and frameworks never use smart pointers?
... their implementations.
But because of the lack of standard ABI, you generally cannot pass these objects safely across module boundaries. A GCC shared_ptr is probably different from an MSVC shared_ptr, which too can differ from an Intel shared_ptr. Even with the same compiler, these classes are not...
must appear in the GROUP BY clause or be used in an aggregate function
I have a table that looks like this caller 'makerar'
7 Answers
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Returning IEnumerable vs. IQueryable
...ecution.
The difference is that IQueryable<T> is the interface that allows LINQ-to-SQL (LINQ.-to-anything really) to work. So if you further refine your query on an IQueryable<T>, that query will be executed in the database, if possible.
For the IEnumerable<T> case, it will be L...
Covariance, Invariance and Contravariance explained in plain English?
... say it is used to decide whether a method is overwritten or overloaded.
All of the above.
At heart, these terms describe how the subtype relation is affected by type transformations. That is, if A and B are types, f is a type transformation, and ≤ the subtype relation (i.e. A ≤ B means that ...