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Converting a Uniform Distribution to a Normal Distribution
...stribution (as most random number generators produce, e.g. between 0.0 and 1.0) into a normal distribution? What if I want a mean and standard deviation of my choosing?
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Useful code which uses reduce()? [closed]
...n Scheme a lot...
Here's some cute usages:
Flatten a list
Goal: turn [[1, 2, 3], [4, 5], [6, 7, 8]] into [1, 2, 3, 4, 5, 6, 7, 8].
reduce(list.__add__, [[1, 2, 3], [4, 5], [6, 7, 8]], [])
List of digits to a number
Goal: turn [1, 2, 3, 4, 5, 6, 7, 8] into 12345678.
Ugly, slow way:
int("".j...
List distinct values in a vector in R
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169
Do you mean unique:
R> x = c(1,1,2,3,4,4,4)
R> x
[1] 1 1 2 3 4 4 4
R> unique(x)
[1] ...
How do I put an already-running process under nohup?
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How does @synchronized lock/unlock in Objective-C?
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edited Aug 25 '15 at 23:28
tchrist
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How do I generate random number for each row in a TSQL Select?
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19 Answers
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python pandas dataframe to dictionary
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What does a tilde do when it precedes an expression?
...rator that flips all bits in its operand.
For example, if your number was 1, its binary representation of the IEEE 754 float (how JavaScript treats numbers) would be...
0011 1111 1111 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
So ~ converts its operand to a 32 bit integer (...
Remove an item from a dictionary when its key is unknown
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10 Answers
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micro:bit 实验04 - 用磁力计做一个指南针 · App Inventor 2 中文网
... 二、界面组件
三、分步搭代码块
第 1 步:连上就订阅方位角
第 2 步:显示方位角,并翻译成方向汉字
四、进阶:让蜜蜂跟着磁铁飞
五、排错表
六、下一步
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