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What is a callback URL in relation to an API?
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@Abhijeet You never need to. If it's appropriate to include a response, yes, do so.
– Eric Stein
Jul 5 '16 at 13:53
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Meaning of 'const' last in a function declaration of a class?
...e that is often broken and easily broken.
foobar& fbNonConst = const_cast<foobar&>(fb1);
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Error 5 : Access Denied when starting windows service
...essage when something faulted the service. Check the Event Viewer (specifically the 'Windows Logs > Application') for the real error message.
In my case, it was a bad service configuration setting in app.config.
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In JavaScript can I make a “click” event fire programmatically for a file input element?
... make a click event fire on an <input type="file"> tag programmatically.
28 Answers
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What is exactly the base pointer and stack pointer? To what do they point?
Using this example coming from wikipedia, in which DrawSquare() calls DrawLine(),
8 Answers
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Autocompletion in Vim
...ComplPop to get automatic code completion as you type.
2015 Edit: I personally use YouCompleteMe now.
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FileNotFoundException while getting the InputStream object from HttpURLConnection
...ck a response in form of xml string. The app is hosted on apache-tomcat locally.
7 Answers
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Regex Email validation
...ccurate as mine, I thought I would post it here.
@"^[\w!#$%&'*+\-/=?\^_`{|}~]+(\.[\w!#$%&'*+\-/=?\^_`{|}~]+)*"
+ "@"
+ @"((([\-\w]+\.)+[a-zA-Z]{2,4})|(([0-9]{1,3}\.){3}[0-9]{1,3}))$";
For more info go read about it here: C# – Email Regular Expression
Also, this checks for RFC validity ...
What are type lambdas in Scala and what are their benefits?
...ction of Either[A, B]. The monad typeclass looks like this:
trait Monad[M[_]] {
def point[A](a: A): M[A]
def bind[A, B](m: M[A])(f: A => M[B]): M[B]
}
Now, Either is a type constructor of two arguments, but to implement Monad, you need to give it a type constructor of one argument. The sol...
How to change the opacity (alpha, transparency) of an element in a canvas element after it has been
...;
Notes:
Set the 'src' last, to guarantee that your onload handler is called on all platforms, even if the image is already in the cache.
Wrap changes to stuff like globalAlpha between a save and restore (in fact use them lots), to make sure you don't clobber settings from elsewhere, particularl...