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Is there a rule-of-thumb for how to divide a dataset into training and validation sets?
...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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When to use in vs ref vs out
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404
You should use out unless you need ref.
It makes a big difference when the data needs to be ma...
What do 'statically linked' and 'dynamically linked' mean?
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450
There are (in most cases, discounting interpreted code) two stages in getting from source code (...
Capitalize first letter. MySQL
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edited Nov 24 '10 at 3:56
answered Nov 24 '10 at 3:45
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Why does pthread_cond_wait have spurious wakeups?
...ion is given by David R. Butenhof in "Programming with POSIX Threads" (p. 80):
Spurious wakeups may sound strange, but on some multiprocessor systems, making condition wakeup completely predictable might substantially slow all condition variable operations.
In the following comp.programming.th...
Inheriting class methods from modules / mixins in Ruby
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Sergio TulentsevSergio Tulentsev
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Crop MP3 to first 30 seconds
...and it also takes longer to do.
Here's a command line that will slice to 30 seconds without transcoding:
ffmpeg -t 30 -i inputfile.mp3 -acodec copy outputfile.mp3
The -acodec switch tells ffmpeg to use the special "copy" codec which does not transcode. It is lightning fast.
NOTE: the command w...
TypeScript “this” scoping issue when called in jquery callback
...ance trade-off compared to the first method
Good: In TypeScript, this has 100% type safety
Good: Works in ECMAScript 3
Good: You only have to type the instance name once
Bad: You'll have to type the parameters twice
Bad: Doesn't work with variadic parameters
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How to get process ID of background process?
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605
You need to save the PID of the background process at the time you start it:
foo &
FOO_PID...
Determine if 2 lists have the same elements, regardless of order? [duplicate]
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answered Jan 15 '12 at 0:40
phihagphihag
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