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Django optional url parameters
... '()' and keyword arguments '{'pk': 128}' not found. 1 pattern(s) tried: ['orders/cannot_edit/((?P<pk>\\d+)/)?$']
– Patrick
Mar 29 '14 at 1:22
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What causes a java.lang.ArrayIndexOutOfBoundsException and how do I prevent it?
...>= array.length) {
// Don't use this index. This is out of bounds (borders, limits, whatever).
} else {
// Yes, you can safely use this index. The index is present in the array.
Object element = array[index];
}
See also:
The Java Tutorials - Language Basics - Arrays
Update: as...
PATH issue with pytest 'ImportError: No module named YadaYadaYada'
...est modules on test collection to gather custom hooks and fixtures, and in order to import the custom objects from them, pytest adds the parent directory of the conftest.py to the sys.path (in this case the repo directory).
Other project structures
If you have other project structure, place the co...
Is there an S3 policy for limiting access to only see/access one bucket?
...
In order to see the list of buckets in the console (and therefore use the console for bucket access) you must grant ListAllMyBuckets and GetBucketLocation for all S3 buckets ("arn:aws:s3:::*" will work rather than "*" for the re...
Using regular expressions to parse HTML: why not?
...'>
or
<img src=http://example.com/whatever.jpg>
or
<img border=0 src="http://example.com/whatever.jpg">
or
<img
src="http://example.com/whatever.jpg">
or you start getting false positives from
<!-- // commented out
<img src="http://example.com/outdated.png"...
Keep overflow div scrolled to bottom unless user scrolls up
... support flex-box, the only caveat is that the markup has to be in reverse order.
Here is a working example. https://codepen.io/jimbol/pen/YVJzBg
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How to find out which processes are using swap space in Linux?
...ho caused most pages to be swapped out.
For the first you may run top and order by swap (press 'Op'), for the latter you can run vmstat and look for non-zero entries for 'so'.
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str performance in python
...thod to convert an object (in my case an integer) to a string is almost an order of magnitude slower than using string formatting.
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How to revert initial git commit?
... have already pushed to remote, you will need to force it to the remote in order to overwrite the previous initial commit:
git push --force origin
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Is there a JavaScript / jQuery DOM change listener?
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