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Unable to copy ~/.ssh/id_rsa.pub
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DISPLAY=:0 xclip -sel clip < ~/.ssh/id_rsa.pub didn't work for me (ubuntu 14.04), but you can use :
cat ~/.ssh/id_rsa.pub
to get your public key
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How to check if a float value is a whole number
...loat type in Python 2.6.
Take into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real number). But adjusting your loop a little this gives:
>>&g...
Is there a way to make R beep/play a sound at the end of a script?
...omething is finished. Is there a way to invoke a beep (like a system beep) or get R to play a sound or notify growl via some code at the end of my script?
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Send an Array with an HTTP Get
...epends on what the target server accepts. There is no definitive standard for this. See also a.o. Wikipedia: Query string:
While there is no definitive standard, most web frameworks allow multiple values to be associated with a single field (e.g. field1=value1&field1=value2&field2=value3...
Why can't we have static method in a (non-static) inner class?
.... Since a static nested class cannot refer directly to instance variables or methods defined in its enclosing class, it can use them only through an object reference, it's safe to declare static methods in a static nested class.
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Make a Bash alias that takes a parameter?
...es not accept parameters but a function can be called just like an alias. For example:
myfunction() {
#do things with parameters like $1 such as
mv "$1" "$1.bak"
cp "$2" "$1"
}
myfunction old.conf new.conf #calls `myfunction`
By the way, Bash functions defined in your .bashrc and ot...
How can I do a case insensitive string comparison?
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This is not the best practice in .NET framework (4 & +) to check equality
String.Compare(x.Username, (string)drUser["Username"],
StringComparison.OrdinalIgnoreCase) == 0
Use the following instead
String.Equals(x.Username, (string)drUser["U...
Cookie overflow in rails application?
I have this error when I try to open the page. I do not know how to debug this error. Do you have any suggestion for this problem?
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Why can't I use switch statement on a String?
...a SE 7, at least 16 years after they were first requested. A clear reason for the delay was not provided, but it likely had to do with performance.
Implementation in JDK 7
The feature has now been implemented in javac with a "de-sugaring" process; a clean, high-level syntax using String constants ...
How to store standard error in a variable
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It would be neater to capture the error file thus:
ERROR=$(</tmp/Error)
The shell recognizes this and doesn't have to run 'cat' to get the data.
The bigger question is hard. I don't think there's an easy way to do it. You'd have to build the entire pipe...