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How to trigger event when a variable's value is changed?
.../#1
public event System.EventHandler AgeChanged;
//#2
protected virtual void OnAgeChanged()
{
if (AgeChanged != null) AgeChanged(this,EventArgs.Empty);
}
public int Age
{
get
{
return _age;
}
set
{
//#3
_age=value;
OnAgeChanged();
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When I catch an exception, how do I get the type, file, and line number?
... edited Feb 20 '13 at 18:51
David Cain
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answered Aug 14 '09 at 16:09
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omp parallel vs. omp parallel for
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#pragma omp parallel spawns a group of threads, while #pragma omp for divides loop iterations between the spawned threads. You can do both things at once with the fused #pragma omp parallel for directive.
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How do you execute an arbitrary native command from a string?
...tead of relative paths, you shouldn't have many special cases, if any, outside of the 2 above.
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What's the difference between == and .equals in Scala?
... answered Oct 6 '11 at 22:33
Didier DupontDidier Dupont
28.1k66 gold badges6666 silver badges8787 bronze badges
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What's the difference between std::move and std::forward
...irement, typically a function accepting a reference to an rvalue will invalidate it. When you see std::move, it indicates that the value of the object should not be used afterwards, but you can still assign a new value and continue using it.
std::forward has a single use case: to cast a templated f...
What's the difference between Invoke() and BeginInvoke()
...ple, if you have a Person with FirstName and LastName properties, and you did:
person.FirstName = "Kevin"; // person is a shared reference
person.LastName = "Spacey";
control.BeginInvoke(UpdateName);
person.FirstName = "Keyser";
person.LastName = "Soze";
Then the UI may well end up displaying "Ke...
How do you clear a slice in Go?
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It all depends on what is your definition of 'clear'. One of the valid ones certainly is:
slice = slice[:0]
But there's a catch. If slice elements are of type T:
var slice []T
then enforcing len(slice) to be zero, by the above "trick", doesn't make any element of
slice[:cap(slice)]
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Java `final` method: what does it promise?
...hod can be defined to be final , to mark that this method may not be overridden:
5 Answers
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How to exclude certain directories/files from git grep search
...s entirely within (modern versions of) git now.
– David
Nov 16 '15 at 15:12
Why the downvotes? This answer still appli...