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How can I create a correlation matrix in R?

..., y=seq(dim(y)[2])), labels=round(c(COR),2)) Edit: Here is an example of custom row and column labels on a correlation matrix calculated with a single matrix: png("corplot.png", width=5, height=5, units="in", res=200) op <- par(mar=c(6,6,1,1), ps=10) COR <- cor(iris[,1:4]) image(x=seq(nrow(C...
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Is it possible to use Razor View Engine outside asp.net

...ic: //*tweets* is basically List<TwitterPost> - simple collection of custom POCO //first param for rm.ExecuteUrl points to ~/Views folder, MVC style var rm = new RazorMachine(htmlEncode: false); ITemplate template = rm.ExecuteUrl("~/twitter/twitter", tweets); //do whatever you want with resul...
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How to copy data to clipboard in C#

...what you mean. Clipboard contents can be text, files, images, any sort of custom data. The concept of kv-pairs doesn't seem to be anything to do with the clipboard idea? – Kieren Johnstone Jan 14 '16 at 10:31 ...
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Which is faster/best? SELECT * or SELECT column1, colum2, column3, etc

...ating a complex one-off application; AND flexibility is important (lots of customization of the db schema for each site); then you're better off sticking with SELECT *. In our framework, heavy use of SELECT * allows us to introduce a new website managed content field to a table, giving it all of t...
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What's the best way to share data between activities?

...p.Application which is created when the app is launched. You can provide a custom one by extending Application: import android.app.Application; public class MyApplication extends Application { private String data; public String getData() {return data;} public void setData(String data) {this.d...
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Why does ~True result in -2?

... numeric in nature - It has two values, True and False, and they are just "customized" versions of the integers 1 and 0 that only print themselves differently. They are subclasses of the integer type int. So they behave exactly as 1 and 0, except that bool redefines str and repr to display them dif...
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Running a specific test case in Django when your app has a tests directory

...ut you can now keep them inside the directory you want. If you want to use custom file names you can specify a pattern (default Django test runner) with the option flag --pattern="my_pattern_*.py". So if you are in your manage.py directory and want to run the test test_a inside TestCase subclass A ...
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Task not serializable: java.io.NotSerializableException when calling function outside closure only o

... tell it not to try to serialise the offending value (here, Spark.ctx is a custom class not Spark's one following OP's naming): @transient val rddList = Spark.ctx.parallelize(list) You can also restructure code so that rddList lives somewhere else, but that is also nasty. The Future is Probably ...
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Differences between Emacs and Vim

...t's almost always available wherever you go, and its usable with little/no customization. I use it all the time when sshing to other machines. This is why I learned it first—that, and because my friends knew VIM and could help me. (Don't underestimate friends' support either!) ...
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How to intercept touches events on a MKMapView or UIWebView objects?

... This is a great solution ! But it's not working if you use a custom view as MKAnnotation. In this case, you may have another annotation's subview triggering the gesture recognizer. I had to recursively check the superview of the touch.view to find a potential MKAnnotationView ...