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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...
Why exactly is eval evil?
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There are several reasons why one should not use EVAL.
The main reason for beginners is: you don't need it.
Example (assuming Common Lisp):
EVALuate an expression with different operators:
(let ((ops '(+ *)))
(dolist (op ops)
(print (eval (list op 1...
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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Finding local maxima/minima with Numpy in a 1D numpy array
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Thank you, this is one of the best solutions I have found so far
– Noufal E
May 13 at 13:15
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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:
...
What is the need of JSF, when UI can be achieved with JavaScript libraries such as jQuery and Angula
I was reading about JSF that its a UI framework and provides some UI components. But how is it better or different from number of components that are available from jQueryUI, AngularJS, ExtJS, or even plain HTML, CSS and JavaScript.
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How can I debug git/git-shell related problems?
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There are a few GIT_TRACE options, beyond the core one. Here's the über-verbose option: set -x; GIT_TRACE=2 GIT_CURL_VERBOSE=2 GIT_TRACE_PERFORMANCE=2 GIT_TRACE_PACK_ACCESS=2 GIT_TRACE_PACKET=2 GIT_TRACE_PACKFILE=2 GIT_TRACE_SETUP=2 GIT_TRACE_SHALLOW=2 git pull origin master...