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How to find where a method is defined at runtime?
...#crime>
If you're on Ruby 1.9+, you can use source_location
require 'csv'
p CSV.new('string').method(:flock)
# => #<Method: CSV#flock>
CSV.new('string').method(:flock).source_location
# => ["/path/to/ruby/1.9.2-p290/lib/ruby/1.9.1/forwardable.rb", 180]
Note that this won't work...
Java switch statement multiple cases
...ted Sep 15 '16 at 14:19
Pascal Tänzer
3777 bronze badges
answered Dec 29 '11 at 6:51
Santtu KähkönenSanttu ...
Warning message: In `…` : invalid factor level, NA generated
...
If you are reading directly from CSV file then do like this.
myDataFrame <- read.csv("path/to/file.csv", header = TRUE, stringsAsFactors = FALSE)
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Principal component analysis in Python
..............................
if __name__ == "__main__":
import sys
csv = "iris4.csv" # wikipedia Iris_flower_data_set
# 5.1,3.5,1.4,0.2 # ,Iris-setosa ...
N = 1000
K = 20
fraction = .90
seed = 1
exec "\n".join( sys.argv[1:] ) # N= ...
np.random.seed(seed)
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Find the min/max element of an Array in JavaScript
... Nov 18 '12 at 14:00
Linus UnnebäckLinus Unnebäck
14k99 gold badges5959 silver badges7575 bronze badges
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How can I get stock quotes using Google Finance API?
... very simple and useful.
For instance:
http://finance.yahoo.com/d/quotes.csv?s=GOOG+AAPL&f=snl1
Full details here:
http://www.gummy-stuff.org/Yahoo-data.htm
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How to develop a soft keyboard for Android? [closed]
...", "q", "r", "s", "t", "u", "v", "w",
"x", "y", "z", "ç", "à", "é", "è", "û", "î" };
private String cL[] = { "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
"K", "L", "M", "N", "O", "P", "Q", "R", "S", "T", "U", "V", "W",
"X", "Y", "Z", "ç", "à", "é", "è", "û", "î" };
privat...
AfxIsValidAddress 测试内存地址 - C/C++ - 清泛网 - 专注C/C++及内核技术
...d writing (TRUE) or just reading (FALSE).
确定被测试内存是读写形式（真）还是只读形式（假）。
Return Value
In debug builds, nonzero if the specified memory block is contained entirely within the program's memory space; otherwise 0.
在调试版，如果...
什么是 Ringbuffer ？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...介绍如何避免ringbuffer产生重叠，以及如何对ringbuffer进行读写操作。你可能注意到了我将ringbuffer和链表那样的数据结构进行比较，因为我并认为链表是实际问题的标准答案。
当你将Disruptor和基于 队列之类的实现进行比较时，事...
XmlNode与XmlElement的区别总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...拥有众多对Attribute的操作方法，可以方便的对其属性进行读写操作（XmlNode也可以通过Attributes属性获取属性列表）。
5、在网上看到有人这么评论这两个类的区别：XmlNode包含子节点，XmlElement只包含属性及其本身不含有子节点。...