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How to convert a factor to integer\numeric without loss of information?
...mean median uq max neval
## as.numeric(levels(f))[f] 3.982 5.120 6.088624 5.405 5.974 1981.418 1e+05
## as.numeric(levels(f)[f]) 5.973 7.111 8.352032 7.396 8.250 4256.380 1e+05
## as.numeric(as.character(f)) 6.827 8.249 9.628264 8.534 9.671 1983.694 1e+05
## ...
How do I get the last four characters from a string in C#?
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answered Jun 20 '11 at 15:24
Armen TsirunyanArmen Tsirunyan
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How to get a random number in Ruby
...you need to guess 10 numbers, you can initialize them with:
10.times.map{ 20 + Random.rand(11) }
#=> [26, 26, 22, 20, 30, 26, 23, 23, 25, 22]
Note:
Using Random.new.rand(20..30) (using Random.new) generally would not be a good idea, as explained in detail (again) by Marc-André Lafortune, ...
Design Patterns: Abstract Factory vs Factory Method
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1valdis
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answered Nov 18 '10 at 3:03
user295190user295190
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How do I add options to a DropDownList using jQuery?
... otherwise.
– mbillard
Jul 1 '10 at 20:15
14
@Crossbrowser: I disagree - val and text actually de...
How to globally replace a forward slash in a JavaScript string?
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PleaseStandPleaseStand
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add a...
How to declare global variables in Android?
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answered Jul 26 '10 at 20:31
GuillaumeGuillaume
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GestureDetect 手势检测扩展：识别滑动、点击和长按手势 · App Inventor 2 中文网
...名：aryan.gupta.GesturesDetector
版本：1
发布日期：2020年11月28日
作者：newbiedeveloper (AryanGupta)
文件大小：10.5 KB
下载
.aix拓展文件：
aryan.gupta.GesturesDetector.aix
.aia示例文件：
DetectGesture.aia
功能概述
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How to determine if a point is in a 2D triangle? [closed]
...on! all calculations are exact. Thanks, Rick
– user252020
Jan 16 '10 at 4:57
4
So the sign() func...
Reflection: How to Invoke Method with parameters
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edited May 28 '19 at 6:10
Ehsan Kiani
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