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dispatch_after - GCD in Swift?
... {
// do stuff
}
Wow, a language where you can improve the language. What could be better?
Update for Swift 3, Xcode 8 Seed 6
Seems almost not worth bothering with, now that they've improved the calling syntax:
func delay(_ delay:Double, closure:@escaping ()->()) {
let when = Dispa...
How can I remove duplicate rows?
What is the best way to remove duplicate rows from a fairly large SQL Server table (i.e. 300,000+ rows)?
38 Answers
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On design patterns: When should I use the singleton?
...nd I think it's kind of lame. Who says I can't have more than one spooler? What the heck is a printer spooler anyway? What if I have different kinds of printers that can't conflict or use different drivers?
– 1800 INFORMATION
Oct 23 '08 at 3:01
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Proper way to use **kwargs in Python
What is the proper way to use **kwargs in Python when it comes to default values?
14 Answers
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How to return a result from a VBA function
... have many assignment statements that assign different values to test, and whatever the value is when you reach the end of the function will be the value returned.
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Static class initializer in PHP
... return self::$instance;
}
public function someMethod1()
{
// whatever
}
public function someMethod2()
{
// whatever
}
}
And then, in usage
// As opposed to this
Singleton::someMethod1();
// You'd do this
Singleton::getInstance()->someMethod1();
...
How to toggle a value in Python
What is the most efficient way to toggle between 0 and 1 ?
17 Answers
17
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set up device for development (???????????? no permissions)
...
What works for me is to kill and start the adb server again. On linux: sudo adb kill-server and then sudo adb start-server. Then it will detect nearly every device out of the box.
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No @XmlRootElement generated by JAXB
...
To tie together what others have already stated or hinted at, the rules by which JAXB XJC decides whether or not to put the @XmlRootElement annotation on a generated class are non trivial (see this article).
@XmlRootElement exists because t...
Reconnection of Client when server reboots in WebSocket
...y it is available "everywhere"):
var timerID=0;
var socket;
/* Initiate what has to be done */
socket.onopen=function(event){
/* As what was before */
if(window.timerID){ /* a setInterval has been fired */
window.clearInterval(window.timerID);
window.timerID=0;
}
/* ... */
}
socket.on...