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Permission denied (publickey) when SSH Access to Amazon EC2 instance [closed]
I want to use my Amazon ec2 instance but faced the following error:
29 Answers
29
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Android WebView style background-color:transparent ignored on android 2.2
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22 Answers
22
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Multiple glibc libraries on a single host
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234
It is very possible to have multiple versions of glibc on the same system (we do that every da...
Open popup and refresh parent page on close popup
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231
You can access parent window using 'window.opener', so, write something like the following in ...
How to set a Timer in Java?
How to set a Timer, say for 2 minutes, to try to connect to a Database then throw exception if there is any issue in connection?
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C# LINQ find duplicates in List
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edited Mar 28 '18 at 5:05
Vadim Ovchinnikov
9,91644 gold badges3939 silver badges6969 bronze badges
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How to use the 'sweep' function
...ation defined by FUN.
For instance, if you want to add 1 to the 1st row, 2 to the 2nd, etc. of the matrix you defined, you will do:
sweep (M, 1, c(1: 4), "+")
I frankly did not understand the definition in the R documentation either, I just learned by looking up examples.
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Combining two Series into a DataFrame in pandas
I have two Series s1 and s2 with the same (non-consecutive) indices. How do I combine s1 and s2 to being two columns in a DataFrame and keep one of the indices as a third column?
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Why is parenthesis in print voluntary in Python 2.7?
In Python 2.7 both the following will do the same
4 Answers
4
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Can you break from a Groovy “each” closure?
...k.
This example will abort before processing the whole list:
def a = [1, 2, 3, 4, 5, 6, 7]
a.find {
if (it > 5) return true // break
println it // do the stuff that you wanted to before break
return false // keep looping
}
Prints
1
2
3
4
5
but doesn't print 6 or 7.
It's al...