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Evenly distributing n points on a sphere
...han Euclidean distances. But maybe I can answer a simple question, if one converts the points on the sphere to their Voronoi diagram, one can describe each Voronoi cell as having approximately area 4π/N and one can convert this to a characteristic distance by pretending it's a circle rather than a...
How to keep/exclude a particular package path when using proguard?
...nfiguration keeps the names of all public classes in the specified package and its subpackages:
-keep public class com.myapp.customcomponents.**
The following configuration keeps the names of all public/protected classes/fields/methods in the specified package and its subpackages:
-keep public c...
How to parse JSON in Scala using standard Scala classes?
...n in the rest of the for loop I use the fact that generators (using <-) and value definitions (using =) will make use of the unapply methods.
(Older answer edited away - check edit history if you're curious)
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Why can I use auto on a private type?
I was somehow surprised that the following code compiles and runs (vc2012 & gcc4.7.2)
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Best Timer for using in a Windows service
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Both System.Timers.Timer and System.Threading.Timer will work for services.
The timers you want to avoid are System.Web.UI.Timer and System.Windows.Forms.Timer, which are respectively for ASP applications and WinForms. Using those will cause the ser...
How many parameters are too many? [closed]
... may need, but too many of them will make your routine difficult to understand and maintain.
34 Answers
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Case insensitive access for generic dictionary
...t where you try to get a value. If you think about it, "foo".GetHashCode() and "FOO".GetHashCode() are totally different so there's no reasonable way you could implement a case-insensitive get on a case-sensitive hash map.
You can, however, create a case-insensitive dictionary in the first place us...
Objective-C pass block as parameter
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The type of a block varies depending on its arguments and its return type. In the general case, block types are declared the same way function pointer types are, but replacing the * with a ^. One way to pass a block to a method is as follows:
- (void)iterateWidgets:(void (^)(id...
Execute JavaScript using Selenium WebDriver in C#
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The object, method, and property names in the .NET language bindings do not exactly correspond to those in the Java bindings. One of the principles of the project is that each language binding should "feel natural" to those comfortable coding in...
Cleaner way to update nested structures
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Zippers
Huet's Zipper provides convenient traversal and 'mutation' of an immutable data structure. Scalaz provides Zippers for Stream (scalaz.Zipper), and Tree (scalaz.TreeLoc). It turns out that the structure of the zipper is automatically derivable from the original data str...