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How do I convert an existing callback API to promises?
...d with together async\await in ES7 to make the program flow wait for a fullfiled result like the following:
function getName () {
return new Promise(function (fulfilled, rejected) {
var name = "John Doe";
// wait 3000 milliseconds before calling fulfilled() method
set...
Routing with Multiple Parameters using ASP.NET MVC
...mize the routing rules that MVC uses to locate an action. Your global.asax file contains routing rules that can be customized. By default the rule looks like this:
routes.MapRoute(
"Default", // Route name
"{controller}/{action}/{...
Webrick as production server vs. Thin or Unicorn?
...r site does something that takes time, e.g. sends e-mails or generates PDF files, you should make WEBrick multi-threaded. You want to handle multiple requests at a time.
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What's the reason I can't create generic array types in Java?
...nts its Generics purely on the compiler level, and there is only one class file generated for each class.
This is called Type Erasure.
At runtime, the compiled class needs to handle all of its uses with the same bytecode. So, new T[capacity] would have absolutely no idea what type needs to be insta...
How to model type-safe enum types?
...
http://www.scala-lang.org/docu/files/api/scala/Enumeration.html
Example use
object Main extends App {
object WeekDay extends Enumeration {
type WeekDay = Value
val Mon, Tue, Wed, Thu, Fri, Sat, Sun = Value
}
import WeekDay._
...
View's getWidth() and getHeight() returns 0
...e the button size, then reference that dimension resource from your layout file and your source code, to avoid this problem.
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?: operator (the 'Elvis operator') in PHP
...38 (with in-built Zend Opcache v7.0.6-dev).
If you find that some of your files 'refuse' to be cached in Zend Opcache, this may be one of the reasons... Hope this helps!
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Does a finally block run even if you throw a new Exception?
...block is intended for resource clean-up (closing DB connections, releasing file handles etc), not for must-run logic. If it must-run do it before the try-catch block, away from something that could throw an exception, as your intention is almost certainly functionally the same.
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JRuby on Rails vs. Ruby on Rails, what's difference?
... to do this completely (last time I used Mingle, it had un-obfuscated Ruby files...).
– Marnen Laibow-Koser
Nov 3 '11 at 16:31
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What's the advantage of Logic-less template (such as mustache)?
... yourself in the foot. In the old JSP days, it was very common to have JSP files sprinkled with Java code, which made refactoring much harder, since you had your code scattered.
If you prevent logic in templates by design (like mustache does), you will be obliged to put the logic elsewhere, so your...