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Diff output from two programs without temporary files
... hang or use a temporary file on disk. You also cannot use psub for output from your command.
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Installing Python 3 on RHEL
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Installing from RPM is generally better, because:
you can install and uninstall (properly) python3.
the installation time is way faster. If you work in a cloud environment with multiple VMs, compiling python3 on each VMs is not accept...
Differences between Octave and MATLAB? [closed]
... to translate a lot of stuff before it works in Octave, if not re-write it from scratch. How this is better, I really don't see...
Also, if you learn Octave, there's a lot of syntax allowed in Octave that's not allowed in MATLAB. Meaning -- code written in Octave often does not work in MATLAB witho...
Restore file from old commit in git
...ld commit that I did a few weeks ago. I want to restore only a single file from that commit. What do I do?
4 Answers
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How to disable Django's CSRF validation?
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If you just need some views not to use CSRF, you can use @csrf_exempt:
from django.views.decorators.csrf import csrf_exempt
@csrf_exempt
def my_view(request):
return HttpResponse('Hello world')
You can find more examples and other scenarios in the Django documentation:
https://docs.djan...
Good reasons to prohibit inheritance in Java?
...prising and unpredicatable if the ancestor wasn't designed to be inherited from.
Classes should therefore come in two kinds :
Classes designed to be extended, and with enough documentation to describe how it should be done
Classes marked final
If you are writing purely internal code this may b...
Best practice: AsyncTask during orientation change
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What if the AsyncTask must be called from a nested Fragment?
– Eduardo Naveda
Jul 23 '14 at 13:38
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how to change uiviewcontroller title independent of tabbar item title
...e tabBarItem onto the navigation controller instead for it to be picked up from the tab bar controller.
None of the answers posted by others worked for me because my tab bar's view controllers all have navigation controllers at their root - this is a common hierarchy pattern for UITabBarController....
Checkout old commit and make it a new commit [duplicate]
...ected), git checkout <commit-hash> . should checkout . (all changes) from the commit to your working-tree, which you can apply as a new commit. You can also detach HEAD and branch off that commit. It should then be at HEAD for the new branch and you can commit there. The . is important.
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Better way to check variable for null or empty string?
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Beware false negatives from the trim() function — it performs a cast-to-string before trimming, and thus will return e.g. "Array" if you pass it an empty array. That may not be an issue, depending on how you process your data, but with the code ...