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What is Delegate? [closed]
...bound function rather than a free function - assigning a non-static method Foo to a delegate will call this.Foo() rather than a static function as a function pointer would do ( in C, you often have an extra void* parameter to pass this to the function pointer )
– Pete Kirkham
...
HTTP GET Request in Node.js Express
...rest')
// GET a resource
unirest.get('http://httpbin.org/get')
.query({'foo': 'bar'})
.query({'stack': 'overflow'})
.end(function(res) {
if (res.error) {
console.log('GET error', res.error)
} else {
console.log('GET response', res.body)
}
})
// POST a form with an a...
Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
...hronous processing in ASP.NET (which is what asynchronous controllers basically represent).
Let's first consider a standard synchronous action:
public ActionResult Index()
{
// some processing
return View();
}
When a request is made to this action a thread is drawn from the thread pool a...
Using regular expression in css?
... styles you want to apply to many elements, you should add a class to them all, rather than relying on ID selectors...
<div id="sections">
<div id="s1" class="sec">...</div>
<div id="s2" class="sec">...</div>
...
</div>
and
.sec {
...
}
Or in yo...
Why is there an injected class name?
...class name can be used without a template argument list, e.g. using simply Foo instead of the full template-id Foo<blah, blah, blah>, so it's easy to refer to the current instantiation. See DR 176 for a change between C++98 and C++03 that clarified that.
The idea of the injected class name wa...
Java “params” in method signature?
...gular parameter, but with an ellipsis ("...") after the type:
public void foo(Object... bar) {
for (Object baz : bar) {
System.out.println(baz.toString());
}
}
The vararg parameter must always be the last parameter in the method signature, and is accessed as if you received an arr...
Sending POST data in Android
...on: form-data; name=\"param2\"" + lineEnd + lineEnd);
//dos.writeBytes("foo2" + lineEnd);
// Send a binary file
dos.writeBytes(twoHyphens + boundary + lineEnd);
dos.writeBytes("Content-Disposition: form-data; name=\"param3\";filename=\"test_file.dat\"" + lineEnd);
dos.writeBytes("C...
String replacement in Objective-C
...
If you want multiple string replacement:
NSString *s = @"foo/bar:baz.foo";
NSCharacterSet *doNotWant = [NSCharacterSet characterSetWithCharactersInString:@"/:."];
s = [[s componentsSeparatedByCharactersInSet: doNotWant] componentsJoinedByString: @""];
NSLog(@"%@", s); // => foob...
What's the most efficient way to erase duplicates and sort a vector?
...ink of a std::set. It might be a better fit for your usecase:
std::set<Foo> foos(vec.begin(), vec.end()); // both sorted & unique already
Otherwise, sorting prior to calling unique (as the other answers pointed out) is the way to go.
...
array_push() with key value pair
...ys are strings like '123a' it could be desired to preserve string keys for all items.
– bancer
Jul 13 at 7:57
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