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What character encoding should I use for a HTTP header?
...s gave up and specified that in the headers there is no useful encoding besides ASCII:
Historically, HTTP has allowed field content with text in the
ISO-8859-1 charset [ISO-8859-1], supporting other charsets only
through use of [RFC2047] encoding. In practice, most HTTP header
fi...
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();
...
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
...
omp parallel vs. omp parallel for
...
#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
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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...
Will HTML5 allow web apps to make peer-to-peer HTTP connections?
... of concept in a WebKit build that does HTML5 Peer to Peer Conversational Video.
They have demonstrations in their blog of the technology in action, as well as diagrams and explanations on how the technology will work.
They are working on getting this stabilized and committed to the WebKit repos...
How do you clear a slice in Go?
...
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)]
...