The reason for the Math object is simple: “because Java does it”. Not the best of reasons, but here we are. I guess things made more sense back then, before Douglas Crockford started his campaign to suppress half the language*. Originally you were “allowed”, or meant, to do things like this: with (Math) { var … Read more
This should do it: private enum Alignment { LEFT, RIGHT }; String drawCellValue (int maxCellLength, String cellValue, Alignment align){ if (align == Alignment.LEFT) { //Process it… } }
Class and instance methods live in the same namespace and you cannot reuse names like that; the last definition of id will win in that case. The class method will continue to work on instances however, there is no need to create a separate instance method; just use: class X: @classmethod def id(cls): return cls.__name__ … Read more
Have you tried using the DataTable.Select(filterExpression, sortExpression) method?
They seem to be aliases for the same thing. From the documentation you can see that the sample code of intern uses to_sym: intern → symbol Returns the Symbol corresponding to str, creating the symbol if it did not previously exist. See Symbol#id2name. “Koala”.intern #=> :Koala s=”cat”.to_sym #=> :cat s == :cat #=> true s=”@cat”.to_sym … Read more
You’re looking for something more generic: HTMLMediaElement, here are some reference guides: https://developer.mozilla.org/en/DOM/HTMLMediaElement http://www.whatwg.org/specs/web-apps/current-work/multipage/video.html#audio https://developer.apple.com/documentation/webkitjs/htmlmediaelement
How is it possible that this runs at all in any browser? Is is some sort of new ES6 functionality? Yes. … Method definitions A property of an object can also refer to a function or a getter or setter method. var o = { property: function ([parameters]) {}, get property() {}, set property(value) {}, … Read more
Java makes an assumption that you want to automatically convert the Array args to varargs, but this can be problematic with methods that accept varargs of type Object. Scala requires that you be explicit, by ascribing the argument with : _*. scala> def bar(args:String*) = println(“count=”+args.length) bar: (args: String*)Unit scala> def foo(args:String*) = bar(args: _*) … Read more
Rinku is a drop-in replacement for Rails 3.1 auto_link. Auto-linking functionality has been removed from Rails 3.1, and is instead offered as a standalone gem, rails_autolink. You can choose to use Rinku instead. require ‘rails_rinku’ The rails_rinku package monkeypatches Rails with an auto_link method that mimics 100% the original one, parameter per parameter. It’s just … Read more