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How can I convert a datetime object to milliseconds since epoch (unix time) in Python?
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Btw, strftime("%s") returns an empty string for me. The second way works fine.
– Pavel Vlasov
Apr 6 '12 at 16:32
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How do I get the full path to a Perl script that is executing?
...mod_perl spectacularly, producing worthless output such as '.' or an empty string. In such environments, I use __FILE__ and get the path from that using the File::Basename module:
use File::Basename;
my $dirname = dirname(__FILE__);
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How do I create a variable number of variables?
... assign to the var
print(variable_name) # >>> 15, created from a string
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XPath to select element based on childs child value
...try it! Generally you want single quotes ' rather than double quotes " for string literals in xpath, by the way.
– AakashM
Oct 22 '18 at 12:25
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If list index exists, do X
In my program, user inputs number n , and then inputs n number of strings, which get stored in a list.
12 Answers
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.htaccess not working apache
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I putted "A STRING" in my .htaccess, so I'd receive a error, so I putted AllowOverride All in all apache2.conf in my Debian and it works
– Alex
Dec 6 '17 at 2:20
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ValueError : I/O operation on closed file
Here, p is a dictionary, w and c both are strings.
2 Answers
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How to perform Unwind segue programmatically?
...nsert Name of Segue to unwind.
Then,- (void)performSegueWithIdentifier:(NSString *)identifier sender:(id)sender. with your segue identify.
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Retrieving a List from a java.util.stream.Stream in Java 8
... you can use to convert any Stream to List.
more concretely:
List<String> myList = stream.collect(Collectors.toList());
from:
https://www.geeksforgeeks.org/collectors-tolist-method-in-java-with-examples/
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Git says “Warning: Permanently added to the list of known hosts”
... running ssh from the command line add the following option to the command string:
-o LogLevel=quiet
For example, the following prints out the gcc version installed on machine.example.org (and no warning):
ssh -o UserKnownHostsFile=/dev/null \
-o StrictHostKeyChecking=no \
-o LogLevel=qu...