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~x + ~y == ~(x + y) is always false?
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edited Jun 20 '12 at 13:47
answered Jun 20 '12 at 2:35
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Suppress Scientific Notation in Numpy When Creating Array From Nested List
...ons(suppress=True), for details see here:
http://pythonquirks.blogspot.fr/2009/10/controlling-printing-in-numpy.html
For SciPy.org numpy documentation, which includes all function parameters (suppress isn't detailed in the above link), see here: https://docs.scipy.org/doc/numpy/reference/generated/...
使用CSplitterWnd实现拆分窗口（多视图显示） - C/C++ - 清泛网 - 专注C/C++及内核技术
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返回值:如果创建成功，返回非零值(TRUE)，否则返回0(FALSE)。
m_wndSplitter.CreateStatic(this, 2,1); // 切分为2行1列
virtual BOOL CreateView( int row, int col, CRuntimeClass* pViewClass, SIZE sizeInit, CCreateContext* pContext );
函数有5个...
How do I plot in real-time in a while loop using matplotlib?
... version of the code in question (requires at least version Matplotlib 1.1.0 from 2011-11-14):
import numpy as np
import matplotlib.pyplot as plt
plt.axis([0, 10, 0, 1])
for i in range(10):
y = np.random.random()
plt.scatter(i, y)
plt.pause(0.05)
plt.show()
Note some of the changes...
Any reason not to use '+' to concatenate two strings?
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edited Jan 10 '16 at 12:44
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Compare double to zero using epsilon
...there is a 52-bit mantissa and 11-bit exponent. Let's break it to bits:
1.0000 00000000 00000000 00000000 00000000 00000000 00000000 × 2^0 = 1
The smallest representable number greater than 1:
1.0000 00000000 00000000 00000000 00000000 00000000 00000001 × 2^0 = 1 + 2^-52
Therefore:
epsilon ...
Formula to determine brightness of RGB color
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20 Answers
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How to access the ith column of a NumPy multidimensional array?
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>>> test[:,0]
array([1, 3, 5])
Similarly,
>>> test[1,:]
array([3, 4])
lets you access rows. This is covered in Section 1.4 (Indexing) of the NumPy reference. This is quick, at least in my experience. It's certainly muc...
How do I upgrade my ruby 1.9.2-p0 to the latest patch level using rvm?
My current version of ruby is ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-darwin10.5.0] but I want to update it to the latest patch level using rvm. How can I do this?
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Version number comparison in Python
... cmp -like function which compares two version numbers and returns -1 , 0 , or 1 based on their compared valuses.
17 A...