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Understanding FFT output
...s your DC offset and carries no frequency dependent information).
You get 32 real and 32 imaginary outputs because you are using a complex to complex FFT. Remember that you've converted your 32 samples into 64 values (or 32 complex values) by extending it with zero imaginary parts. This results in ...
Path to Powershell.exe (v 2.0)
Where is the Powershell (version 2.0) located? What is the path to Powershell.exe? I have Windows Server 2008 and Powershell installed. When I look at this folder:
...
How to print a dictionary line by line in Python?
... for y in cars[x]:
print (y,':',cars[x][y])
output:
A
color : 2
speed : 70
B
color : 3
speed : 60
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How to enumerate a range of numbers starting at 1
I am using Python 2.5, I want an enumeration like so (starting at 1 instead of 0):
12 Answers
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App Inventor 2 文本代码块 · App Inventor 2 中文网
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App Inventor 2 文本代码块
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Android ADB device offline, can't issue commands
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Pythonic way to print list items
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227
Assuming you are using Python 3.x:
print(*myList, sep='\n')
You can get the same behavior o...
Clone Object without reference javascript [duplicate]
...ut reference the object.
You can use lodash's clone method
var obj = {a: 25, b: 50, c: 75};
var A = _.clone(obj);
Or lodash's cloneDeep method if your object has multiple object levels
var obj = {a: 25, b: {a: 1, b: 2}, c: 75};
var A = _.cloneDeep(obj);
Or lodash's merge method if you mean to...
How do I create an empty array/matrix in NumPy?
...w-by-row:
>>> import numpy
>>> a = numpy.zeros(shape=(5,2))
>>> a
array([[ 0., 0.],
[ 0., 0.],
[ 0., 0.],
[ 0., 0.],
[ 0., 0.]])
>>> a[0] = [1,2]
>>> a[1] = [2,3]
>>> a
array([[ 1., 2.],
[ 2., 3.],
[ 0., 0.],
[ 0., ...