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ruby convert array into function arguments
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Producing a new line in XSLT
...his is more robust than the <xsl:text> containing a newline approach if you use anything that might reformat your XSL file and mess with the whitespace.
– Ian Roberts
Nov 9 '12 at 0:17
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Validating parameters to a Bash script
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~/myfolder3/$1/thisisafolder
EOF
edit: I missed the part about checking if the directories exist at first, so I added that in, completing the script. Also, have addressed issues raised in comments; fixed the regular expression, switched from == to eq.
This should be a portable, POSIX compliant s...
Wildcards in jQuery selectors
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What if, I want to select the Even of those selected. for instance: I currently have .col-lg-4:even div:nth-child(1) if I wanted to do the same.... what would I write? "[class^=.col-lg-]:even"? (I don't seem to make it work)
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I ran into a merge conflict. How can I abort the merge?
...irst, and then examine the upstream changes (git log ..@{upstream} or git diff ..@{upstream}). After that, like you, I'll rebase my work.
– Pat Notz
May 14 '10 at 23:26
171
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Akka Kill vs. Stop vs. Poison Pill?
...Akka - I'm reading over Akka Essentials, could someone please explain the difference between Akka Stop/Poison Pill vs. Kill ? The book offers just a small explaination "Kill is synchronous vs. Poison pill is asynchronous." But in what way? Does the calling actor thread lock during this time? Are the...
What to put in a python module docstring? [closed]
...ion are roughly equivalent to help in terms of amount of information). So if you have in x.py:
"""This module does blah blah."""
class Blah(object):
"""This class does blah blah."""
then:
>>> import x; help(x)
shows:
Help on module x:
NAME
x - This module does blah blah.
FI...
Android Endless List
How can I create a list where when you reach the end of the list I am notified so I can load more items?
10 Answers
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What is the equivalent of the C++ Pair in Java?
...alue as a primitive or built-in class without encapsulating it in a class. If we were to return a tuple of a dozen elements no one would disagree it should have its own class. Somewhere in the middle is a (fuzzy) dividing line. I think our lizard brains can cope with Pairs easily enough.
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What's the difference between subprocess Popen and call (how can I use them)?
...e keyword argument shell = True or executable = /path/to/the/shell and specify the command just as you have it there.
Since you're just redirecting the output to a file, set the keyword argument
stdout = an_open_writeable_file_object
where the object points to the output file.
subprocess.Popen ...