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how to find host name from IP with out login to the host
...sts. If you're not getting the hostname you expect, be sure you check this file.
DHCP hostnames are queried differently depending on which DHCP server software is used, because (as far as I know) the protocol does not define a method for querying; however, most servers provide some way of doing thi...
hasNext in Python iterators?
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@LarsH: You mean e.g. an iterator that reads from a file that can be changed while reading from it? I agree that this can be a problem (which affects any library providing next() and hasNext() method, not just a hypothetical Python library). So yes, next() and hasNext() become...
Clear variable in python
...a
1
>>> del a
>>> a
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
NameError: name 'a' is not defined
But in this case I vote for self.left = None
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Git push results in “Authentication Failed”
...edentials when Git prompted me for user id and password while pushing new files to remote repository. When I ran push command again git did not prompt me for credentials but instead it was only throwing authentication failed error. I realised after reading this answer that git uses credentials stor...
What is the best way to uninstall gems from a rails3 project?
I installed all of my gems using bundler via the Gemfile. I thought (mistakenly) that if I deleted a gem from my Gemfile and ran 'bundle install' that the deleted gems would be uninstalled. I've looked at the bundler help file and, so far as I can tell, it does not have a way to uninstall gems.
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Node.js app can't run on port 80 even though there's no other process blocking the port
...nerability in the application; also, if the application were to create any files, they'd be inaccesible for other users, making you use sudo even more.
– jesusiniesta
Oct 2 '17 at 10:31
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How do I delete/remove a shell function?
...ke realiases, refunctions, resetopts, reenv, etc to "re-source" respective files, if you've separated/grouped them as such.)
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Bash/sh - difference between && and ;
...computer:
root# pwd
/
root# cd /tnp/test; rm -rf *
cd: /tnp/test: No such file or directory
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... and after a while ...
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^C
but not helped... ;)
cd /tnp/test && rm -rf * is safe... ;)
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How to extract custom header value in Web API message handler?
... @Jeb50 are you declaring using HttpResponseMessageExtensions on the file you're attempting to use this extension?
– Doguhan Uluca
Apr 26 '17 at 15:11
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How can I get enum possible values in a MySQL database?
... str_getcsv only works in PHP 5 >= 5.3.0, you may include this file if you would like to get this functionality in earlier versions.
– Steve
Jan 30 '13 at 16:49
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