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Run ssh and immediately execute command [duplicate]
I'm trying to find UNIX or bash command to run a command after connecting to an ssh server. For example:
3 Answers
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What is the purpose of “!” and “?” at the end of method names?
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It's "just sugarcoating" for readability, but they do have common meanings:
Methods ending in ! perform some permanent or potentially dangerous change; for example:
Enumerable#sort returns a sorted version of the object while Enumerable#sort! sorts...
Returning redirect as response to XHR request
... 302 redirect leads to a 200, then your program acts identically as if the original request led directly to a 200.
This has been both my experience and the behavior called out in the spec.
2016 Update: Time has passed, and the good news is that the new fetch() API is spec'd to offer finer-grained ...
Why are empty catch blocks a bad idea? [closed]
...ly empty try-catch is a bad idea because you are silently swallowing an error condition and then continuing execution. Occasionally this may be the right thing to do, but often it's a sign that a developer saw an exception, didn't know what to do about it, and so used an empty catch to silence the ...
What are the differences between -std=c++11 and -std=gnu++11?
...ferences between -std=c++11 and -std=gnu++11 as compilation parameter for gcc and clang? Same question with c99 and gnu99 ? I know about C++ and C standards, it's the differences in the parameters that interest me.
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logger configuration to log to file and print to stdout
...m using Python's logging module to log some debug strings to a file which works pretty well. Now in addition, I'd like to use this module to also print the strings out to stdout. How do I do this? In order to log my strings to a file I use following code:
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Visual Studio or Resharper functionality for placement of using directives
...deepest scope
Have you tried the ReSharper option:
Languages → C# → Formatting Style → Namespace Imports → Add using directive to the deepest scope
I'm not sure whether R#'s code cleanup will reorder the existing ones for you though.
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RSpec controller testing - blank response.body
...e.body call always returns an empty string. In browser everything renders correctly, and cucumber feature tests seem to get it right, but RSpec fails each and every time.
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I want to exception handle 'list index out of range.'
...he exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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How can I round to whole numbers in JavaScript?
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helped me too! :) Thanks for the MDN link buddy :)
– Afzaal Ahmad Zeeshan
Sep 23 '13 at 16:32
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