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TCP: can two different sockets share a port?
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A server socket listens on a single port. All established client connections on that server are associated with that same listening port on the server side of the connection. An established connection is uniquely identified by the combination of client-side and serv...
Is multiplication and division using shift operators in C actually faster?
...n to shift, shift. If you mean to multiply, multiply. Do what is semantically clearest--your coworkers will thank you later. Or, more likely, curse you later if you do otherwise.
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Callback to a Fragment from a DialogFragment
Question: How does one create a callback from a DialogFragment to another Fragment. In my case, the Activity involved should be completely unaware of the DialogFragment.
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How to stop Visual Studio from “always” checking out solution files?
... Dan's comment adds the needed info -- it's not necessary to remove all global sections -- just the part that seems to get added in by the unity nuget package.
– Jordan0Day
Aug 13 '12 at 19:04
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Are static variables shared between threads?
...one thread makes becoming visible to other threads in a timely manner (actually the JVM has no obligation to make those changes visible to you at all, in any time frame), unless you establish a happens-before relationship.
Here's a quote from that link (supplied in the comment by Jed Wesley-Smith):
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Enterprise app deployment doesn't work on iOS 7.1
...sing an itms-services:// URL. This has always worked fine, but after installing the iOS 7.1 beta on our iPad it refuses to install. Instead we just get the generic Cannot connect to example.com message that iOS unhelpfully displays when there is any sort of problem downloading the app.
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How to initialise a string from NSData in Swift
...ar swiftString = NSString(data: NSData!, encoding: UInt) as! String that's all
– Gintama
Aug 29 '15 at 6:52
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Do Facebook Oauth 2.0 Access Tokens Expire?
...ays, when the person using your app makes a request to Facebook's servers.
All access tokens need to be renewed every 90 days with the consent of the person using your app.
Facebook change announce (10/04/2018)
Facebook updated token expiration page (10/04/2018)
offline_access:
Enables your a...
What's the best way to set a single pixel in an HTML5 canvas?
... as an exercise for the reader
creating another img or canvas filled with all the pixels you want and use drawImage() to blit just the pixel you want across. This would probably be very fast, but has the limitation that you need to pre-calculate the pixels you need.
Note that my tests do not atte...
Remove elements from collection while iterating
...61-4")));
Collect and Remove
The first technique consists in collecting all the objects that we want to delete (e.g. using an enhanced for loop) and after we finish iterating, we remove all found objects.
ISBN isbn = new ISBN("0-201-63361-2");
List<Book> found = new ArrayList<Book>()...