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How do you do a simple “chmod +x” from within python?
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Use os.stat() to get the current permissions, use | to or the bits together, and use os.chmod() to set the updated permissions.
Example:
import os
import stat
st = os.stat('somefile')
os.chmod('somefile', st.st_mode | stat.S_IEXEC)
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Character Limit in HTML
... sanity check, but add client-side enhancement if you can do so; it makes for a richer user experience.
– Rob
Jun 4 '09 at 8:48
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Python: print a generator expression?
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Quick answer:
Doing list() around a generator expression is (almost) exactly equivalent to having [] brackets around it. So yeah, you can do
>>> list((x for x in string.letters if x in (y for y in "BigMan on campus")))
But you can just as well do
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AsyncTaskLoader vs AsyncTask
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You can have a look at the compatibility library's source code to get more info. What a FragmentActivity does is:
keep a list of LoaderManager's
make sure they don't get destroyed when you flip your phone (or another configuration change occurs) by saving instances using onRetainNonConfigurati...
What do people find difficult about C pointers? [closed]
...p in their answers. An understanding of scheduling, actual CPU operations, or assembly-level memory management isn't really required.
When I was teaching, I found the following holes in students' understanding to be the most common source of problems:
Heap vs Stack storage. It is simply stunning ...
Auto Resize Image in CSS FlexBox Layout and keeping Aspect Ratio?
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Is it also possible to do this for the height dimension if the screen gets smaller?
– confile
Jan 14 '14 at 0:43
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Git: How to update/checkout a single file from remote origin master?
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It is possible to do (in the deployed repository)
git fetch
git checkout origin/master -- path/to/file
The fetch will download all the recent changes, but it will not put it in your current checked out code (working area).
The checkout will update the working tree w...
How do I copy an entire directory of files into an existing directory using Python?
Run the following code from a directory that contains a directory named bar (containing one or more files) and a directory named baz (also containing one or more files). Make sure there is not a directory named foo .
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Using HTML5/JavaScript to generate and save a file
I've been fiddling with WebGL lately, and have gotten a Collada reader working. Problem is it's pretty slow (Collada is a very verbose format), so I'm going to start converting files to a easier to use format (probably JSON). I already have the code to parse the file in JavaScript, so I may as well ...
How do I force git to checkout the master branch and remove carriage returns after I've normalized f
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Thanks for this workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir).
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