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如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...eally care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to s...
如何选择机器学习算法 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...eally care about accuracy, your best bet is to test out a couple different ones (making sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to s...
Optimal number of threads per core
...t number of threads until you find the right number for your application.
One thing for sure: 4k threads will take longer. That's a lot of context switches.
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Visual Studio “Could not copy” … during build
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i have the same issue, but after restarting VS i get one build, and the files get locked again..
– Sonic Soul
Mar 23 '14 at 19:36
56
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What is the fastest way to get the value of π?
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The Monte Carlo method, as mentioned, applies some great concepts but it is, clearly, not the fastest, not by a long shot, not by any reasonable measure. Also, it all depends on what kind of accuracy you are looking for. The fastest π I know of is the one ...
How to create empty text file from a batch file?
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To merge ephemient's answer and this one, you could do: "echo. >NUL 2>EmptyFile.txt" to achieve the same results without outputting a newline
– cmptrgeekken
Oct 25 '09 at 15:34
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How can I run an external command asynchronously from Python?
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Cdleary is absolutely correct, it should be mentioned that communicate and wait do block, so only do it when you are waiting for things to shut down. (Which you should really do to be well-behaved)
– Ali Afshar
Mar 11 '09 at 22:29
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How to break out from a ruby block?
...is in a loop without terminating the loop. To do that, I made the block a one-iteration loop:
for b in 1..2 do
puts b
begin
puts 'want this to run'
break
puts 'but not this'
end while false
puts 'also want this to run'
end
Hope this helps the next googler ...
MySQL case insensitive select
Can anyone tell me if a MySQL SELECT query is case sensitive or case insensitive by default? And if not, what query would I have to send so that I can do something like:
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javax vs java package
...: While an official explanation (the search orbfish suggested didn't yield one in the first page or so) is no doubt about "core" vs "extension", I still suspect that in many cases the decision for any particular package has an historical reason behind it too. Is java.beans really that "core" to Java...