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scp (secure copy) to ec2 instance without password
I have an EC2 instance running (FreeBSD 9 AMI ami-8cce3fe5), and I can ssh into it using my amazon-created key file without password prompt, no problem.
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C语言结构体里的成员数组和指针 - C/C++ - 清泛网 - 专注C/C++及内核技术
...去编译和调试，我把代码列在下面：
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#include <stdio.h>
struct str{
int len;
char s[0];
};
struct foo {
struct str *a;
};
int main(int argc, char** arg...
Display number with leading zeros
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In Python 2 (and Python 3) you can do:
print "%02d" % (1,)
Basically % is like printf or sprintf (see docs).
For Python 3.+, the same behavior can also be achieved with format:
print("{:02d}".format(1))
For Python 3.6+ the same behavior c...
How do I check what version of Python is running my script?
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1423
This information is available in the sys.version string in the sys module:
>>> import ...
How to get indices of a sorted array in Python
...gt;> import numpy
>>> numpy.argsort(myList)
array([0, 1, 2, 4, 3])
http://docs.scipy.org/doc/numpy/reference/generated/numpy.argsort.html
This returns the arguments that would sort the array or list.
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Stop UIWebView from “bouncing” vertically?
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S.M.Mousavi
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answered Jul 24 '10 at 11:22
Mirek RusinMirek...
Predicate Delegates in C#
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A predicate is a function that returns true or false. A predicate delegate is a reference to ...
What's the difference between @Secured and @PreAuthorize in spring security 3?
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axtavtaxtavt
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Formula to determine brightness of RGB color
... → sqrt( 0.299*R^2 + 0.587*G^2 + 0.114*B^2 ) (thanks to @MatthewHerbst) [3]
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Which characters need to be escaped when using Bash?
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edited May 29 '17 at 15:34
answered Nov 18 '13 at 16:47
J...