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What is the difference between memoization and dynamic programming?
...recurses down to solve the sub-problems).
A good slide from here (link is now dead, slide is still good though):
If all subproblems must be solved at least once, a bottom-up dynamic-programming algorithm usually outperforms a top-down memoized algorithm by a constant factor
No overhe...
How do negated patterns work in .gitignore?
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Ahh sorry I understand now. But SO won't let me upvote again.
– Jarrod Smith
Mar 30 '13 at 7:25
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Best dynamic JavaScript/JQuery Grid [closed]
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Till now I started liking jQuery Grid. trirand.com/blog/jqgrid/jqgrid.html But still I'm not sure. Keep you updated...
– Somnath
Dec 30 '11 at 13:48
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How do I achieve the theoretical maximum of 4 FLOPs per cycle?
... is 8 flops * 4 cores * 4.4 GHz = 140.8 GFlops. Actual is 138.2 GFlops.
Now for some explanations:
The performance critical part is obviously the 48 instructions inside the inner loop. You'll notice that it's broken into 4 blocks of 12 instructions each. Each of these 12 instructions blocks are ...
What's the effect of adding 'return false' to a click event listener?
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Chrome works with the return false method now. It stops following the link in the onclick event of an img element.
– Bao
Mar 17 '13 at 0:58
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jQuery.click() vs onClick
...dynamically generated HTML then the button works straight away. Or do you know of a more elegant solution for this situation?
– zuallauz
Sep 27 '12 at 21:28
17
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How do I calculate percentiles with python/numpy?
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By now, a percentile function exists in numpy: docs.scipy.org/doc/numpy/reference/generated/…
– Anaphory
Oct 29 '13 at 14:36
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What is JAXB and why would I use it? [closed]
... helpful illustrating the classes and bindings it likes with XSD schemas...now, if only it stopped using SQL date by default, and used Java util Date instead...
– MetroidFan2002
Mar 4 '09 at 4:15
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Does application.yml support environment variables?
... the OPENSHIFT_DIY_PORT through unix cli when starting the application? I know we can use -D to pass override parameters, but does that also work for env variables? Ex.: nohup java -Xmx1024m -jar -Dspring.profiles.active="whatever". Is there a way to do that with env vars?
– Ig...
Can't find the 'libpq-fe.h header when trying to install pg gem
...PostgreSQL/9.1/include/"
gem install pg
After that, it works, because it now knows where to find the missing library. Just replace the path with the right location for your libpq-fe.h
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