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Is there a way to pass optional parameters to a function?
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The Python 2 documentation, 7.6. Function definitions gives you a couple of ways to detect whether a caller supplied an optional parameter.
First, you can use special formal parameter syntax *. If the function definition has a formal parameter preceded b...
Pickle or json?
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69
If you do not have any interoperability requirements (e.g. you are just going to use the data w...
Get the current first responder without using a private API
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edited Mar 23 '18 at 15:56
Jeehut
14k77 gold badges5050 silver badges6565 bronze badges
answered Dec 1 ...
detach all packages while working in R
...nInfo()$otherPkgs),sep=""),detach,character.only=TRUE,unload=TRUE)
(edit: 6-28-19)
In the latest version of R 3.6.0 please use instead.
invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE))
Note the use of invisible(*) is not necessary but ...
XmlSerializer: remove unnecessary xsi and xsd namespaces
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64
Since Dave asked for me to repeat my answer to Omitting all xsi and xsd namespaces when seriali...
Get Folder Size from Windows Command Line
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kaartic
50366 silver badges1818 bronze badges
answered Oct 10 '12 at 7:16
JoeyJoey
304k75...
When is assembly faster than C?
...les that still need compiler-specific code, see
Getting the high part of 64 bit integer multiplication: A portable version using uint64_t for 32x32 => 64-bit multiplies fails to optimize on a 64-bit CPU, so you need intrinsics or __int128 for efficient code on 64-bit systems.
_umul128 on Windo...
python generator “send” function purpose?
...;>> next(gen) # run up to the next yield
>>> gen.send(6) # goes into 'x' again
12
>>> next(gen) # run up to the next yield
>>> gen.send(94.3) # goes into 'x' again
188.5999999999999
You can't do this just with yield.
As to why it's useful, one of ...
Specifying rails version to use when creating a new application
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edited Sep 20 '11 at 16:23
Paweł Gościcki
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Getting SyntaxError for print with keyword argument end=' '
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156
Are you sure you are using Python 3.x? The syntax isn't available in Python 2.x because print is...