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How to check if a model has a certain column/attribute?
...ibute? which accepts a Symbol or a String
– Marc-André Lafortune
Jul 18 '12 at 17:25
I believe if an object delegates...
Generate random numbers using C++11 random library
...gy doesn't work here because std::vector is actually a good default due to CPU caching. It even outperforms std::list for insertion in the middle. That's true even if you do understand all the containers and could make an informed decision based on algorithmic complexity.
– voi...
How to check if PHP array is associative or sequential?
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I think this would avoid a lot of potential cpu time and memory if one would check if isset($arr[0]) is false before extracting all the keys as is it clearly associative if the array is not empty but has no element in 0 position. As "most" real associative arrays have ...
Why can't I use Docker CMD multiple times to run multiple services?
...tween nodes, both of which assume there is only one application (source of CPU load) per container. Then there is the issue of vulnerabilities - more servers exposed in a container means more frequent patching of CVEs...
So let's admit that it is a 'nudge' from Docker (and Kubernetes/Openshift) des...
Eclipse: Can you format code on save?
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@PéterVarga if you're using PyDev, check this
– grisaitis
Jun 29 '12 at 18:42
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What is exactly the base pointer and stack pointer? To what do they point?
...egisters stay where they are, only their value is sent to the RAM from the CPU. In the amd64 mode, this gets a bit more complex, but leave that to another question.
– wigy
Jan 20 '17 at 10:42
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How to make Google Chrome JavaScript console persistent?
...n (Mar 2011). You don't delete answers, period.
– José Luis
Jul 2 '14 at 11:21
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arrayfun can be significantly slower than an explicit loop in matlab. Why?
...s as fast as the fully vectorized version... That was all done on a single CPU. Results for Soln5 and Soln7 do not change if I switch to 2 cores - In Soln5 I would have to use a parfor to get it parallelized. Forget about speedup... Soln7 does not run in parallel because arrayfun does not run in pa...
How do I keep two side-by-side divs the same height?
...lumnOne'S height is always bigger than columnTwo.
– Sébastien Richer
Apr 12 '14 at 14:32
2
You s...
Are list-comprehensions and functional functions faster than “for loops”?
...ts in this case with Python 3.6.1, Ubuntu 14.04, Intel(R) Core(TM) i7-4770 CPU @ 3.40GHz
0:00:00.257703 #Reduce
0:00:00.184898 #For loop
0:00:00.031718 #Map
0:00:00.212699 #List comprehension
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