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How do I build a numpy array from a generator?
... lists. This is necessary so that space for each item can be consecutively allocated in memory. Consecutive allocation is the key feature of numpy arrays: this combined with native code implementation let operations on them execute much quicker than regular lists.
Keeping this in mind, it is techni...
Make a negative number positive
...
Note the edge cases, e.g. Math.abs(Integer.MIN_VALUE) = Integer.MIN_VALUE.
– Zach Scrivena
Jan 30 '09 at 0:24
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how to check the jdk version used to compile a .class file [duplicate]
.... Useful if you don't have access to javap. ref: en.wikipedia.org/wiki/Java_class_file#General_layout
– Jim
Apr 24 '14 at 11:19
19
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Same-named attributes in attrs.xml for custom view
...tyleable> com_app_view_widget, unable to find attribute customAttr For all the view I try to declare for. Any ideas?
– Dapp
Jun 9 '14 at 14:54
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np.mean() vs np.average() in Python NumPy?
...verage
np.mean:
try:
mean = a.mean
except AttributeError:
return _wrapit(a, 'mean', axis, dtype, out)
return mean(axis, dtype, out)
np.average:
...
if weights is None :
avg = a.mean(axis)
scl = avg.dtype.type(a.size/avg.size)
else:
#code that does weighted mean here
if retu...
我帮儿子用App Inventor 2给遥控车装了"蓝牙大脑"，手机一划车就...
...y, 当前x, 当前y, 触控点id)
执行 如果 当前位置_半径 > 50
则 将Ball限制在圆内
否则 将Ball位置设为(当前x, 当前y)
第三步：指令编码
我自定义了一个简单的通信协议...
When should I use malloc in C and when don't I?
I understand how malloc() works. My question is, I'll see things like this:
6 Answers
...
How should I edit an Entity Framework connection string?
...
I had to explicitly call save on the app.config file for the designer to recognise the connection string had been deleted.
– Rossco
May 9 '14 at 2:37
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How can I copy the content of a branch to a new local branch?
...e work completely. I was thinking of something like create a new branch locally and copy the old branch there, then I can revert the changes and continue working on the old branch. Is there a better way maybe? Or how do I do this?
...
How do I pass command-line arguments to a WinForms application?
...= "/lol"; args[3] = "nisp"; What could be easier?
– Callum Rogers
Jul 24 '09 at 19:22
cant believe i saw that 'string[...