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What is the maximum length of latitude and longitude? [closed]
...
Valid longitudes are from -180 to 180 degrees.
Latitudes are supposed to be from -90 degrees to 90 degrees, but areas very near to the poles are not indexable.
So exact limits, as specified by EPSG:900913 / EPSG:3785 / OSGEO:41001 are the follo...
Passing Data between View Controllers
...anything.
Passing Data Forward
Passing data forward to a view controller from another view controller. You would use this method if you wanted to pass an object/value from one view controller to another view controller that you may be pushing on to a navigation stack.
For this example, we will ha...
Interfaces — What's the point?
The reason for interfaces truly eludes me. From what I understand, it is kind of a work around for the non-existent multi-inheritance which doesn't exist in C# (or so I was told).
...
classical inheritance vs prototypal inheritance in javascript
...tion is defined as "a general concept formed by extracting common features from specific examples". However for the sake of this explanation we're going to use the aforementioned definition instead.
Now some objects have a lot of things in common. For example a mud bike and a Harley Davidson have a...
Reduce, fold or scan (Left/Right)?
...ction of intermediate cumulative results using a start value.
Accumulate
From LEFT and forwards...
With a collection of elements abc and a binary operator add we can explore what the different fold functions do when going forwards from the LEFT element of the collection (from A to C):
val abc = ...
What is a rune?
...
From the Go lang release notes: http://golang.org/doc/go1#rune
Rune is a Type. It occupies 32bit and is meant to represent a Unicode CodePoint.
As an analogy the english characters set encoded in 'ASCII' has 128 code points....
How do I implement basic “Long Polling”?
...;
<div id="messages">
<div>
<span class="from">First!:</span>
<span class="msg">Welcome to chat. Please don't hurt each other.</span>
</div>
</div>
<form method="post" action="#">
<div>Nick: &...
Using Java 8 to convert a list of objects into a string obtained from the toString() method
...I can iterate with a stream over a list of objects and then sum the values from a specific field of the Object 's instances. E.g.
...
How can I dynamically create derived classes from a base class
...bles" -
So, you could just add your classes to a dictionary and use them from there:
name = "SpecialClass"
classes = {}
classes[name] = ClassFactory(name, params)
instance = classes[name](...)
And if your design absolutely needs the names to come in scope,
just do the same, but use the dictiona...
Difference between @import and link in CSS
...rs (Netscape 4, etc.), so the @import hack can be used to hide CSS 2 rules from these old browsers.
Again, unless you're supporting really old browsers, there isn't a difference.
If I were you, however, I'd use the <link> variant on your HTML pages, because it allows you to specify things li...