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Ruby: kind_of? vs. instance_of? vs. is_a?
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630
kind_of? and is_a? are synonymous.
instance_of? is different from the other two in that it onl...
Shell script to delete directories older than n days
...Which is a bit more efficient, because it amounts to:
rm -rf dir1 dir2 dir3 ...
as opposed to:
rm -rf dir1; rm -rf dir2; rm -rf dir3; ...
as in the -exec method.
With modern versions of find, you can replace the ; with + and it will do the equivalent of the xargs call for you, passing as ma...
Revert a range of commits in git
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answered Feb 14 '11 at 13:31
VonCVonC
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python: Change the scripts working directory to the script's own directory
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answered Sep 16 '09 at 13:26
Eli CourtwrightEli Courtwright
157k6161 gold badges199199 silver badges255255 bronze badges
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Storing R.drawable IDs in XML array
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363
You use a typed array in arrays.xml file within your /res/values folder that looks like this:
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How does Chrome's “Request Desktop Site” option work?
...Mozilla/5.0 (Linux; Android 4.0.4; Galaxy Nexus Build/IMM76K) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19
Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.45 Safari/535.19
Notice the word "Mobile' in the first one, and al...
What is the difference between 'java', 'javaw', and 'javaws'?
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213
See Java tools documentation for:
java command1/javaw command2
The java tool launches a Java...
What is the X-REQUEST-ID http header?
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Stefan KöglStefan Kögl
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How can I use a local image as the base image with a dockerfile?
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answered Dec 10 '13 at 17:50
jpetazzojpetazzo
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Django URL Redirect
...t; you need to actually specify the url.
permanent=False will return HTTP 302, while permanent=True will return HTTP 301.
Alternatively you can use django.shortcuts.redirect
Update for Django 2+ versions
With Django 2+, url() is deprecated and replaced by re_path(). Usage is exactly the same as ...