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What is the Scala identifier “implicitly”?
...class pattern. The standard library uses this in a few places -- see scala.Ordering and how it is used in SeqLike#sorted. Implicit Parameters are also used to pass Array manifests, and CanBuildFrom instances.
Scala 2.8 allows a shorthand syntax for implicit parameters, called Context Bounds. Briefl...
How to differentiate single click event and double click event?
...
The behavior of the dblclick event is explained at Quirksmode.
The order of events for a dblclick is:
mousedown
mouseup
click
mousedown
mouseup
click
dblclick
The one exception to this rule is (of course) Internet Explorer with their custom order of:
mousedown
mouseup
click
mouseup
dbl...
Returning first x items from array
...
@ESCOBAR: associative arrays don't necessarily have an order, they only map keys to values; so "values 3 to 7" doesn't really make sense anyway …
– knittl
Jun 6 '14 at 15:45
...
Best explanation for languages without null
...ut I appreciate that you are just using a simplified model of the world in order to communicate gratitude, so I won't quibble more about the flawed assumptions of your world-model. :P (So much complexity in the real world! :) )
– Brian
Oct 22 '10 at 17:07
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Why must jUnit's fixtureSetup be static?
... it easier to write tests without side-effects. Good tests do not have any order-of-run dependencies (see F.I.R.S.T) and creating fresh instances of the test class and its instance variables for each test is crucial in achieving this. Some testing frameworks reuse the same test class instance for al...
What's the difference between equal?, eql?, ===, and ==?
...t: => true
Note that two arrays with the same elements in a different order are not equal, uppercase and lowercase versions of the same letter are not equal and so on.
When comparing numbers of different types (e.g., integer and float), if their numeric value is the same, == will return true....
Add a “hook” to all AJAX requests on a page
...ill generically intercept any AJAX globally and not screw up any callbacks etc. that maybe have been assigned by any third party AJAX libraries.
(function() {
var origOpen = XMLHttpRequest.prototype.open;
XMLHttpRequest.prototype.open = function() {
console.log('request started!');
...
Explain the use of a bit vector for determining if all characters are unique
... Cracking The Code Interview and my answer is related to this context.
In order to use this algorithm to solve the problem, we have to admit that we only are going to pass characters from a to z (lowercase).
As there is only 26 letters and these are properly sorted in the encoding table we use, t...
What exactly is a Context in Java? [duplicate]
...local variables, state of other classes, state of the current environment, etcetera.
In some API's you see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the F...
How does Windows 8 Runtime (WinRT / Windows Store apps / Windows 10 Universal App) compare to Silver
...sely matching System.Windows.Controls; ditto for Windows.UI.Xaml.Documents etc.
Now, .NET has the ability to directly reference WinRT components as if they were .NET assemblies. This works differently from COM Interop - you don't need any intermediate artifacts such as interop assemblies, you just...