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Python: What OS am I running on?
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edited Dec 27 '19 at 4:51
Boris
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Should private helper methods be static if they can be static
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I prefer such helper methods to be private static; which will make it clear to the reader that they will not modify the state of the object. My IDE will also show calls to static methods in italics, so I will know the method is static without looking the signature.
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how to check if a file is a directory or regular file in python? [duplicate]
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os.path.isfile("bob.txt") # Does bob.txt exist? Is it a file, or a directory?
os.path.isdir("bob")
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Progress indicator during pandas operations
...0, int(1e8), (10000, 1000)))
# Create and register a new `tqdm` instance with `pandas`
# (can use tqdm_gui, optional kwargs, etc.)
tqdm.pandas()
# Now you can use `progress_apply` instead of `apply`
df.groupby(0).progress_apply(lambda x: x**2)
In case you're interested in how this works (and how ...
Can I access constants in settings.py from templates in Django?
...ike to be able to access from a template, but I can't figure out how to do it. I already tried
15 Answers
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What is the difference between exit and return? [duplicate]
What is difference between return and exit statement in C programming when called from anywhere in a C program?
4 Answers
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detach all packages while working in R
...ssionInfo()$otherPkgs),sep=""),detach,character.only=TRUE,unload=TRUE)
(edit: 6-28-19)
In the latest version of R 3.6.0 please use instead.
invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE))
Note the use of invisible(*) is not necessary ...
How to programmatically show next view in ViewPager?
...Pager which can be used to navigate inside ViewPager. How can I go to next Item on ViewPager without swiping manually?
4 An...
How to write very long string that conforms with PEP8 and prevent E501
...below the 80 column rule for your python program, how can I abide to that with long strings, i.e.
11 Answers
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How to get the Power of some Integer in Swift language?
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If you like, you could declare an infix operator to do it.
// Put this at file level anywhere in your project
infix operator ^^ { associativity left precedence 160 }
func ^^ (radix: Int, power: Int) -> Int {
return Int(pow(Double(radix), Double(power)))
}
// ...
// Then ...