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Abstract functions in Swift Language

...abstractFunction. The protocol would stay the same, and the classes would now look like: class BaseThing { func sharedFunction(thing: Thing) { println("All classes share this implementation") thing.abstractFunction() } } class DerivedThing : BaseThing, Thing { fun...
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What differences, if any, between C++03 and C++11 can be detected at run-time?

...) { return false; } bool isCpp0x() { return isCpp0xImpl(""); } I don't know how likely you are to have this working on a real implementation though. One that exploits auto struct x { x(int z = 0):z(z) { } int z; } y(1); bool isCpp0x() { auto x(y); return (y.z == 1); } The following is bas...
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Is there a way to make ellipsize=“marquee” always scroll?

...l over an item in a list view (like in the Market app), only then does the now-selected text start scrolling. And since this particular TextView isn't focusable or clickable, it will never lose its selection state. Unfortunately, as far as I know there is no way to pre-set the selected state from ...
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jQuery text() and newlines

...html(this.html().replace(/\n/g,'<br/>')); return this; } // Now you can do this: $("#example").multiline('this\n has\n newlines'); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <p id="example"></p> ...
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Combining Multiple Commits Into One Prior To Push

...ne with. So it has to be picked or 'p'. Use 'Esc' to exit insert mode. 3) Now, save the editor with the following command. :wq When you save that, you have a single commit that introduces the changes of all three previous commits. Hope this will help you. ...
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Constant Amortized Time

... up in a room. And, you have long hands and legs, as much long as you need now or in future. And, you have to fill all in one room, so it is easy to lock it. So, you go right to the end/ corner of the room and start stacking them. As you stack them, slowly the room will run out of space. However, a...
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How does the socket API accept() function work?

...dard for TCP/IP and UDP/IP communications (that is, networking code as we know it). However, one of its core functions, accept() is a bit magical. ...
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error: ‘NULL’ was not declared in this scope

... Now that C++11 is more generally supported by compilers, it might be worth mentioning the nullptr keyword, which is an actual keyword and doesn't require any #includes. It's also more typesafe than NULL. ...
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Java String remove all non numeric characters

...de: String str = "a12.334tyz.78x"; str = str.replaceAll("[^\\d.]", ""); Now str will contain "12.334.78". share | improve this answer | follow | ...
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Getting a list of associative array keys

... I'm switching this to the accepted answer now. Only IE8 doesn't support it anymore (for which a polyfill is available developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/…) – Simon_Weaver Dec 11 '17 at 1:55 ...