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How do I create directory if none exists using File class in Ruby?
...ts (it just does nothing) so this solution can be compressed into this can one-liner plus a require statement: FileUtils.mkdir_p(File.dirname(some_path))
– Eureka
Sep 27 '12 at 10:43
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How do you 'redo' changes after 'undo' with Emacs?
...Undo insert "I love spam"
Now, when you undo, the first thing that is undone is the undo. Resulting in your original stack (and document state):
Insert "foo"
Insert "bar"
Insert "I love spam"
If you do a modifying command to break the undo sequence, that command is added after the undo and is...
best way to preserve numpy arrays on disk
...
Thank you! One more question: do I overlook something or did you leave out HDF5? Since this is pretty common, I would be interested how it compares to the other methods.
– daniel451
Jun 2 '17 at 21...
What's the difference between globals(), locals(), and vars()?
...e dictionary are reflected in the namespace:
class Test(object):
a = 'one'
b = 'two'
huh = locals()
c = 'three'
huh['d'] = 'four'
print huh
gives us:
{
'a': 'one',
'b': 'two',
'c': 'three',
'd': 'four',
'huh': {...},
'__module__': '__main__',
}
So far, every...
How do I find out my python path using python?
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You would probably also want this:
import sys
print(sys.path)
Or as a one liner from the terminal:
python -c "import sys; print('\n'.join(sys.path))"
Caveat: If you have multiple versions of Python installed you should use a corresponding command python2 or python3.
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findViewByID returns null
... Such an easy mistake tot make but unfortunately this is what I had done. The debugger is no use since it said the error was at my new intent line not in the actual new activity I was calling. Thanks!
– edude05
Apr 13 '12 at 1:23
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How can I pipe stderr, and not stdout?
...lanation 'Redirect stderr to stdout and then stdout to /dev/null' -- Since one has to read redirection chains from right to left (not from left to right), we should also adapt our plain text explanation to this: 'Redirect stdout to /dev/null, and then stderr to where stdout used to be'.
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In C#, how to instantiate a passed generic type inside a method?
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The first one will assign null rather than create an instance for reference types.
– Joel Coehoorn
Mar 18 '09 at 16:27
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JavaScript string encryption and decryption?
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It seems crypto js is an archived project. There is a clone on github: github.com/sytelus/CryptoJS but it hasn't been updated in two years. Is this still the best option for js encryption?
– syonip
Dec 29 '15 at 21:47
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Echo tab characters in bash script
How do I echo one or more tab characters using a bash script?
When I run this code
10 Answers
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