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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...e a rule-of-thumb for how to best divide data into training and validation sets? Is an even 50/50 split advisable? Or are there clear advantages of having more training data relative to validation data (or vice versa)? Or is this choice pretty much application dependent?
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stop all instances of node.js server
This is my first time working with Node.js and I ran into this problem:
16 Answers
16
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How can I detect if a file is binary (non-text) in python?
...mple Apache distributes with a mime.types file that you could parse into a set of lists, binary and text and then check to see if the mime is in your text or binary list.
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How to pass arguments to a Button command in Tkinter?
...andle(btn['command'])
You can simply think that command option should be set as, the reference to the method we want to be called, similar to callback in button_press_handle.
Calling a Method(Callback) When the Button is Pressed
Without arguments
So if I wanted to print something when the bu...
Bin size in Matplotlib (Histogram)
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what is the binwidth here?have u set that value before?
– UserYmY
Sep 29 '15 at 13:25
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What is the python “with” statement designed for?
...:
old_streams[sname] = getattr(sys, sname)
setattr(sys, sname, stream)
yield
finally:
for sname, stream in old_streams.iteritems():
setattr(sys, sname, stream)
with redirected(stdout=open("/tmp/log.txt", "w")):
# these print state...
Pandoc markdown page break
...ch '\\newpage' then
-- use format-specific pagebreak marker. FORMAT is set by pandoc to
-- the targeted output format.
return newpage(FORMAT)
end
-- otherwise, leave the block unchanged
return nil
end
We published an updated, more featureful version. It's available from the offic...
Quicksort: Choosing the pivot
...requirements. Choosing a pivot at random makes it harder to create a data set that generates O(N^2) performance. 'Median-of-three' (first, last, middle) is also a way of avoiding problems. Beware of relative performance of comparisons, though; if your comparisons are costly, then Mo3 does more co...
Javascript roundoff number to nearest 0.5
Can someone give me an idea how can i round off a number to the nearest 0.5.
I have to scale elements in a web page according to screen resolution and for that i can only assign font size in pts to 1, 1.5 or 2 and onwards etc.
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Why doesn't C have unsigned floats?
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Why C++ doesn't have support for unsigned floats is because there is no equivalent machine code operations for the CPU to execute. So it would be very inefficient to support it.
If C++ did support it, then you would be sometimes using an unsigned flo...