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Procedure expects parameter which was not supplied
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I would check my application code and see what value you are setting @template to. I suspect it is null and therein lies the problem.
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Shading a kernel density plot between two points.
...ently use kernel density plots to illustrate distributions. These are easy and fast to create in R like so:
5 Answers
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Code Golf: Collatz Conjecture
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x86 assembly, 1337 characters
;
; To assemble and link this program, just run:
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; >> $ nasm -f elf collatz.asm && gcc -o collatz collatz.o
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; You can then enjoy its output by passing a number to it on the command line:
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; >> $ ./collatz 123
; >&...
Programmatically selecting text in an input field on iOS devices (mobile Safari)
...ur playing with various solutions. Calling setSelectionRange() in a focus handler works when you trigger .focus() programmatically, but when you manually tap into the text input on iOS, the selection does not happen. Suffice it to say, all you need to do is call setSelectionRange() within a setTimeo...
Selecting data frame rows based on partial string match in a column
...a data.table (but also remember that subsetting approaches for data.frames and data.tables are not identical):
library(data.table)
mtcars[rownames(mtcars) %like% "Merc", ]
iris[iris$Species %like% "osa", ]
If that is what you had, then perhaps you had just mixed up row and column positions for su...
Placeholder in UITextView
...bcd's solution to allow for initialization from a Xib file, text wrapping, and to maintain background color. Hopefully it will save others the trouble.
UIPlaceHolderTextView.h:
#import <Foundation/Foundation.h>
IB_DESIGNABLE
@interface UIPlaceHolderTextView : UITextView
@property (nonatomi...
Fill SVG path element with a background-image
...100" height="100" />
</pattern>
</defs>
Adjust the width and height according to your image, then reference it from the path like this:
<path d="M5,50
l0,100 l100,0 l0,-100 l-100,0
M215,100
a50,50 0 1 1 -100,0 50,50 0 1 1 100,0
M265,50
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Which version of MVC am I using?
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Open web.config file and find the System.Web.Mvc assembly definition:
assembly="System.Web.Mvc, Version=3.0.0.0 ..."
It's an MVC3 as you see. Via web you can use MvcDiagnostics which is similar to phpinfo() functionality in PHP.
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Best way of returning a random boolean value
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A declarative snippet using Array#sample:
random_boolean = [true, false].sample
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Regex to replace everything except numbers and a decimal point
... is the code that I'm currently using to replace everything except numbers and a decimal point. Issue is, I can't figure out a regex that will identify everything else
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