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What's the difference between size_t and int in C++?
...t unless some other header file says otherwise.
– David Tonhofer
Jan 4 '16 at 19:38
1
I confirm s...
Is it considered acceptable to not call Dispose() on a TPL Task object?
...: to free up unmanaged resources in a timely, deterministic way, and to avoid the cost of running the object's finalizer. Neither of these apply to Task most of the time:
As of .Net 4.5, the only time a Task allocates the internal wait handle (the only unmanaged resource in the Task object) is whe...
Testing if object is of generic type in C#
... type = type.BaseType;
}
return false;
}
static void Main(string[] args)
{
// True
Console.WriteLine(IsInstanceOfGenericType(typeof(List<>),
new List<string>()));
// False
Conso...
std::next_permutation Implementation Explanation
...ented so I extracted the the gnu libstdc++ 4.7 version and sanitized the identifiers and formatting to produce the following demo...
...
Why are C# 4 optional parameters defined on interface not enforced on implementing class?
...face as you describe, and a hundred classes that implement it. Then you decide to make one of the parameters of one of the interface's methods optional. Are you suggesting that the right thing to do is for the compiler to force the developer to find every implementation of that interface method, and...
What is the apply function in Scala?
...t works the other way too - every object can be treated as a function, provided it has the apply method. Such objects can be used in the function notation:
// we will be able to use this object as a function, as well as an object
object Foo {
var y = 5
def apply (x: Int) = x + y
}
Foo (1) // ...
What is HTML5 ARIA?
...utes on HTML5 elements), which can be used by the web app developer to provide additional information about the semantics of the various elements to assistive technologies like screen readers. Of course, for ARIA to work, the HTTP user agent that interprets the markup needs to support ARIA, but the ...
Android ListView not refreshing after notifyDataSetChanged
...
Look at your onResume method in ItemFragment:
@Override
public void onResume() {
super.onResume();
items.clear();
items = dbHelper.getItems(); // reload the items from database
adapter.notifyDataSetChanged();
}
what you just have updated before calling notify...
SVN how to resolve new tree conflicts when file is added on two branches
...estination branch 'B2'.
If you still are working on the source branch, the ideal scenario would be to remove that file from the source branch B1, merge back from B2 to B1 in order to make that file visible on B1 (you will then work on the same element).
If a merge back is not possible because merges...
git push says “everything up-to-date” even though I have local changes
...anch head to your previously detached commit
$ git reset --hard <commit-id>
As mentioned in the git checkout man page (emphasis mine):
It is sometimes useful to be able to checkout a commit that is not at the tip of one of your branches.
The most obvious example is to check out the c...