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TemplateDoesNotExist - Django Error
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For me, rest_framework/api.html was actually missing on the filesystem due to a corrupt installation or some other unknown reason. Reinstalling djangorestframework fixed the problem:
$ pip install --upgrade djangorestframewo...
How can I have linebreaks in my long LaTeX equations?
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Without configuring your math environment to clip, you could force a new line with two backslashes in a sequence like this:
Bla Bla \\ Bla Bla in another line
The problem with this is that you will need to determine where a line is likely to end and force to always have a line break...
Running multiple commands with xargs
...me cases, I need multiple commands to process the argument instead of one. For example:
11 Answers
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Install tkinter for Python
... python-tk on your machine(s).
(Works on Debian-derived distributions like for Ubuntu; refer to your package manager and package list on other distributions.)
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How do I inspect the view hierarchy in iOS?
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I've got: error: cannot find interface declaration for '$__lldb_objc_class' any ideas? (lldb) po [[UIWindow keyWindow] recursiveDescription] error: cannot find interface declaration for '$__lldb_objc_class' error: cannot find interface declaration for '$__lldb_objc_class' ...
How does free know how much to free?
...t of memory actually used is slightly more than this, and includes extra information that records (at least) how big the block is. You can't (reliably) access that other information - and nor should you :-).
When you call free(), it simply looks at the extra information to find out how big the bloc...
UISegmentedControl below UINavigationbar in iOS 7
...ar to your view controller, and return UIBarPositionTopAttached in positionForBar:. You can see in the store app, if you perform an interactive pop gesture, that the segment bar does not move the same as the navigation bar. That's because they are not the same bar.
Now to remove the hairline. The...
Merge two Git repositories without breaking file history
...ry. I've found many descriptions of how to do this using a subtree merge (for example Jakub Narębski's answer on How do you merge two Git repositories? ) and following those instructions mostly works, except that when I commit the subtree merge all of the files from the old repositories are rec...
Get difference between two lists
...ng solutions all offer either one or the other of:
Faster than O(n*m) performance.
Preserve order of input list.
But so far no solution has both. If you want both, try this:
s = set(temp2)
temp3 = [x for x in temp1 if x not in s]
Performance test
import timeit
init = 'temp1 = list(range(100)...
How can I produce an effect similar to the iOS 7 blur view?
...While he certainly would not endorse this approach, he recognized the need for the effect and the lack of real public API for this, and said that this approach was the "least evil" option for now and is fairly safe as written. Specifically he said do not try to do any animations of the frame or tran...