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Defining an abstract class without any abstract methods
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And it's not just the OP. Look at all the upvotes the question has gotten!
– Marc W
Jan 27 '11 at 0:20
54...
@selector() in Swift?
... chaining on protocol types or is/as tests instead of respondsToSelector:, and use closures wherever you can instead of performSelector: for better type/memory safety.)
But there are still a number of important ObjC-based APIs that use selectors, including timers and the target/action pattern. Swift...
Why do we need a pure virtual destructor in C++?
I understand the need for a virtual destructor. But why do we need a pure virtual destructor? In one of the C++ articles, the author has mentioned that we use pure virtual destructor when we want to make a class abstract.
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Do asynchronous operations in ASP.NET MVC use a thread from ThreadPool on .NET 4
I have too many misunderstandings in my mind about asynchronous operations on ASP.NET MVC.
6 Answers
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ASP.NET Web Site or ASP.NET Web Application?
...n you have pages or controls in one directory that need to reference pages and controls in another directory since the other directory may not be compiled into the code yet. Another problem can be in publishing.
If Visual Studio isn't told to re-use the same names constantly, it will come up with ...
MongoDB - admin user not authorized
...
I was also scratching my head around the same issue, and everything worked after I set the role to be root when adding the first admin user.
use admin
db.createUser(
{
user: 'admin',
pwd: 'password',
roles: [ { role: 'root', db: 'admin' } ]
}
);
exit;
If you ...
How to render a DateTime object in a Twig template
...splay the game date totally different, like extending the \DateTime class, and adding a __toString() method to it that checks the locale and acts accordingly.
Edit:
As pointed out by @Nic in a comment, if you use the Intl extension of Twig, you will have a localizeddate filter available, which sho...
Convert interface{} to int
I'm trying to get a value from a JSON and cast it to int but it doesn't work, and I don't know how to do it properly.
10 An...
JavaScript: Is there a way to get Chrome to break on all errors?
...y edited above) - you can now set it to break on all exceptions or just unhandled ones. (Note that you need to be in the Sources tab to see the button.)
Chrome's also added some other really useful breakpoint capabilities now, such as breaking on DOM changes or network events.
Normally I wouldn't ...
How to remove leading zeros from alphanumeric text?
... "]");
}
See also
regular-expressions.info
repetitions, lookarounds, and anchors
String.replaceFirst(String regex)
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