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Prevent row names to be written to file when using write.csv
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answered Sep 20 '11 at 11:26
NPENPE
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C# List of objects, how do I get the sum of a property
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edited May 18 '17 at 10:29
Coops
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answered De...
What's the point of g++ -Wreorder?
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260
Consider:
struct A {
int i;
int j;
A() : j(0), i(j) { }
};
Now i is initialized t...
What's wrong with using == to compare floats in Java?
...urrentSectionID) < epsilon)
where epsilon is a very small number like 0.00000001, depending on the desired precision.
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How to create UILabel programmatically using Swift?
...wDidLoad()
{
super.viewDidLoad()
var label = UILabel(frame: CGRectMake(0, 0, 200, 21))
label.center = CGPointMake(160, 284)
label.textAlignment = NSTextAlignment.Center
label.text = "I'm a test label"
self.view.addSubview(label)
}
Swift 3.0+ Update:
let label = UILabel(frame: CGRect...
Number of lines in a file in Java
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240
This is the fastest version I have found so far, about 6 times faster than readLines. On a 150MB...
Iterating over a numpy array
...>>> for (x,y), value in numpy.ndenumerate(a):
... print x,y
...
0 0
0 1
1 0
1 1
2 0
2 1
Regarding the performance. It is a bit slower than a list comprehension.
X = np.zeros((100, 100, 100))
%timeit list([((i,j,k), X[i,j,k]) for i in range(X.shape[0]) for j in range(X.shape[1]) for k...
Python中的X[:,0]和X[:,1] - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
Python中的X[:,0]和X[:,1]X[:,0]是numpy中数组的一种写法，表示对一个二维数组，取该二维数组第一维中的所有数据，第二维中取第0个数据，直观来说，X[:,0]就是取所有 X[:,0]是numpy中数组的一种写法，表示对一个二维数组，取该二维...
How do I find the number of arguments passed to a Bash script?
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answered Dec 12 '10 at 18:46
zsalzbankzsalzbank
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mongo - couldn't connect to server 127.0.0.1:27017
...hing to note is the log trace provided does not cover the "Fri Nov 9 16:44:06" of your mongo timestamp.
Can you:
Provide the command line arguments (if any) used to start your
mongod process
Provide the log file activity from the mongod startup as well as
logs during the mongo shell startup atte...