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How to do ssh with a timeout in a script?

...lient side, but /tmp/blarg still gets modified on the remote server. This means that if you are running a runaway CPU-intensive job on the remote server, you will leak processes. – James Davis Feb 5 '18 at 15:08 ...
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Case insensitive XPath contains() possible?

...ct to see. If you can, mark the text that interests you with some other means, like enclosing it in a <span> that has a certain class while building the HTML. Such things are much easier to locate with XPath than substrings in the element text. If that's not an option, you can let JavaScri...
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Is there a way to detect if an image is blurry?

...a[blurred]]; {w, h} = Dimensions[fft]; windowSize = Round[w/2.1]; Mean[Flatten[(Abs[ fft[[w/2 - windowSize ;; w/2 + windowSize, h/2 - windowSize ;; h/2 + windowSize]]])]] ), {r, 0, 10, 0.5}] Result in a logarithmic plot: The 5 lines represent the 5 test images, the ...
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Format an Integer using Java String Format

... Use %03d in the format specifier for the integer. The 0 means that the number will be zero-filled if it is less than three (in this case) digits. See the Formatter docs for other modifiers. share ...
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How to copy files between two nodes using ansible

...mber that we cannot simply choose not to delegate at all, since that would mean that the transfer happens between the control machine and ServerB. Placing the task on ServerA - hosts: ServerA tasks: - name: Transfer file from ServerA to ServerB synchronize: src: /path/on/server...
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How to get JSON response from http.Get

... @Roman, no. If an error is returned, the response value is nil. (An error means we couldn't read any valid HTTP response, there's no body to close!) You can test this by pointing .Get() at a non-existent URL. Tis method is demonstrated in the second code block in the net/http docs. ...
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Is “ ” a replacement of “ ”?

...   is the character entity reference (meant to be easily parseable by humans).   is the numeric entity reference (meant to be easily parseable by machines). They are the same except for the fact that the latter does not need another lookup table to fin...
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How is “int main(){(([](){})());}” valid C++?

... The parentheses are also changing the meaning of a program in the case of the most vexing parse disambiguation : B foo(A()) foo is a function (taking a pointer to function as only parameter and returning a B) whereas in B foo((A())) foo is a B object constructed ...
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Inconsistent accessibility: property type is less accessible

... Your class Delivery has no access modifier, which means it defaults to internal. If you then try to expose a property of that type as public, it won't work. Your type (class) needs to have the same, or higher access as your property. More about access modifiers: http://msdn...
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How can I capture the result of var_dump to a string?

...able" while var_dump simply dumps information about a variable. What this means in practice is that var_export gives you valid PHP code (but may not give you quite as much information about the variable, especially if you're working with resources). Demo: $demo = array( "bool" => false, ...