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Ideal way to cancel an executing AsyncTask
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answered Apr 29 '10 at 19:28
yanchenkoyanchenko
52.8k3333 gold badges139139 silver badges162162 bronze badges
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Map vs Object in JavaScript
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edited Aug 30 '13 at 21:59
answered Aug 30 '13 at 21:53
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Regexp Java for password validation
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Try this:
^(?=.*[0-9])(?=.*[a-z])(?=.*[A-Z])(?=.*[@#$%^&+=])(?=\S+$).{8,}$
Explanation:
^ # start-of-string
(?=.*[0-9]) # a digit must occur at least once
(?=.*[a-z]) # a lower case letter must occur at leas...
How do I determine k when using k-means clustering?
...imation of the number of clusters" by Dan Pelleg and Andrew Moore in ICML 2000.
Another approach is to start with a large value for k and keep removing centroids (reducing k) until it no longer reduces the description length. See "MDL principle for robust vector quantisation" by Horst Bischof, Ale...
Why historically do people use 255 not 256 for database field magnitudes?
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170
With a maximum length of 255 characters, the DBMS can choose to use a single byte to indicate th...
django-debug-toolbar not showing up
...t won't load unless it's True.
If it's still not working, try adding '127.0.0.1' to INTERNAL_IPS as well.
UPDATE
This is a last-ditch-effort move, you shouldn't have to do this, but it will clearly show if there's merely some configuration issue or whether there's some larger issue.
Add the foll...
How useful/important is REST HATEOAS ( maturity level 3)?
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Will HartungWill Hartung
104k1818 gold badges116116 silver badges191191 bronze badges
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Delete specified file from document directory
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10 Answers
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What's the most efficient way to erase duplicates and sort a vector?
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601
I agree with R. Pate and Todd Gardner; a std::set might be a good idea here. Even if you're st...