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How to define optional methods in Swift protocol?
...lly have no default implementation, or that your you made a mistake during API design.
You can't distinguish between a default implementation and no implementation at all, at least without addressing that problem with special return values. Consider the following example:
protocol SomeParserDelegat...
Difference between reduce and foldLeft/fold in functional programming (particularly Scala and Scala
...ative and associative binary operator"
http://spark.apache.org/docs/1.0.0/api/scala/index.html#org.apache.spark.rdd.RDD
Here is proof that reduce is NOT just a special case of foldLeft
scala> val intParList: ParSeq[Int] = (1 to 100000).map(_ => scala.util.Random.nextInt()).par
scala> ti...
How to make Eclipse behave well in the Windows 7 taskbar?
... is started, and then the startup plugin is loaded. In this last stage, an API call is done to set the AppID to the value inside a plugin.xml file. See above: extended HOWTO item 2
When you drag a manually created shortcut .lnk file to the taskbar, it makes sense that windows can't put this AppID in...
Where to place AutoMapper.CreateMaps?
...
Doesn't this make your web API project have a reference to Your service and domain layers?
– Chazt3n
Jan 5 '15 at 18:51
3
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Function to calculate distance between two coordinates
...transportation distance or walking distance), you'll have to use a mapping API (Google or Bing being the most popular) to get the appropriate route, which will include the distance.
Incidentally, the Google Maps API provides a packaged method for spherical distance, in its google.maps.geometry.sphe...
How to access cookies in AngularJS?
...e>{{usingCookieStore|json}}</pre>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular.js"></script>
<script src="//ajax.googleapis.com/ajax/libs/angularjs/1.2.19/angular-cookies.js"></script>
<script>
angular.module('myApp', ['ngCoo...
Why doesn't Java support unsigned ints?
...gned length? It's impossible for an Array to have negative length yet our API indicates that's possible.
– JaredPar
Jan 10 '09 at 2:29
19
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What are metaclasses in Python?
...change the class automatically,
when it's created.
You usually do this for APIs, where you want to create classes matching the
current context.
Imagine a stupid example, where you decide that all classes in your module
should have their attributes written in uppercase. There are several ways to
do t...
Why can't I inherit static classes?
...ter (for talking to industrial label printers). It has a bunch of windows API declarations. I now find myself writing another class for messing with printers which needs the same API calls. Combine? Not good. Declare them twice? Ugly. Inherit? Good, but not permitted.
–...
Which is better, return value or out parameter?
...131(VS.80).aspx
If you find yourself needing to return two things from an API then wrapping them up in a struct/class would be better than an out param.
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