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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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Minimal web server using netcat

... From man for nc, -p description: It is an error to use this option in conjunction with the -l option – sbeliakov Nov 24 '16 at 14:59 ...
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How to file split at a line number [closed]

... file_name=test.log # set first K lines: K=1000 # line count (N): N=$(wc -l < $file_name) # length of the bottom file: L=$(( $N - $K )) # create the top of file: head -n $K $file_name > top_$file_name # create bottom ...
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Flattening a shallow list in Python [duplicate]

... """Make sure all methods produce an equivalent value. :raise AssertionError: On any non-equivalent value.""" callables = (globals()[method + '_flatten'] for method in METHODS) results = [callable(iter_lst) for callable in callables] if not all(result == results[0] for result in resu...
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std::enable_if to conditionally compile a member function

... This doesn't compile on VS2012. error C4519: default template arguments are only allowed on a class template. – PythonNut Jun 7 '14 at 13:09 ...
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Using sed and grep/egrep to search and replace

...tand why though since it makes sense... the -l part of xargs was giving me errors so I took it out, could that be related? – Ori Jul 23 '09 at 6:43 ...
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What is the most efficient string concatenation method in python?

...iven the test case from mkoistinen's answer, having strings domain = 'some_really_long_example.com' lang = 'en' path = 'some/really/long/path/' The contenders are f'http://{domain}/{lang}/{path}' - 0.151 µs 'http://%s/%s/%s' % (domain, lang, path) - 0.321 µs 'http://' + domain + '/' + lang ...
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How to force cp to overwrite without confirmation

... codelingcodeling 9,05344 gold badges3333 silver badges6060 bronze badges ...
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Rolling or sliding window iterator?

...f window(seq, n=2): it = iter(seq) win = deque((next(it, None) for _ in xrange(n)), maxlen=n) yield win append = win.append for e in it: append(e) yield win In my tests it handily beats everything else posted here most of the time, though pillmuncher's tee versi...
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Outputting data from unit test in python

...ata from a failed test, so I can examine it to help deduce what caused the error? I am aware of the ability to create a customized message, which can carry some information, but sometimes you might deal with more complex data, that can't easily be represented as a string. ...