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How to make the 'cut' command treat same sequental delimiters as one?
I'm trying to extract a certain (the fourth) field from the column-based, 'space'-adjusted text stream. I'm trying to use the cut command in the following manner:
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Specify custom Date format for colClasses argument in read.table/read.csv
...ion as part of the colClasses.
Try:
setAs("character","myDate", function(from) as.Date(from, format="%d/%m/%Y") )
tmp <- c("1, 15/08/2008", "2, 23/05/2010")
con <- textConnection(tmp)
tmp2 <- read.csv(con, colClasses=c('numeric','myDate'), header=FALSE)
str(tmp2)
Then modify if needed...
The forked VM terminated without saying properly goodbye. VM crash or System.exit called
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For me, switching from windows cmd to Intellij console solved it.
– Broccoli
Jul 29 '19 at 11:04
4
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How to detect if CMD is running as Administrator/has elevated privileges?
From inside a batch file, I would like to test whether I'm running with Administrator/elevated privileges.
13 Answers
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E731 do not assign a lambda expression, use a def
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@Julian Apart from def and lambda one could also use functools.partial: f = partial(operator.add, offset) and then a = list(map(f, simple_list)).
– Georgy
Nov 18 '18 at 18:33
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Force LF eol in git repo and working copy
...better safe than sorry....
However, there's a better alternative: Benefit from LF line endings in your Linux workdir, CRLF line endings in your Windows workdir AND LF line endings in your repository.
As you're partially working on Linux and Windows, make sure core.eol is set to native and core.aut...
Get local IP address
...lowing effect: it sets the destination for Send/Recv, discards all packets from other addresses, and - which is what we use - transfers the socket into "connected" state, settings its appropriate fields. This includes checking the existence of the route to the destination according to the system's r...
How to terminate a Python script
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import sys
sys.exit()
details from the sys module documentation:
sys.exit([arg])
Exit from Python. This is implemented by raising the
SystemExit exception, so cleanup actions specified by finally clauses
of try statements are honored, and it is possib...
Loading Backbone and Underscore using RequireJS
...mple to use: (1) one states the dependencies (deps), if any, (which may be from the paths configuration, or may be valid paths themselves). (2) (optionally) specify the global variable name from the file you're shimming, which should be exported to your module functions that require it. (If you don'...
Looping over a list in Python
...s of values, right? I'm assuming that you meant the temporary list created from the slicing. Just want to make sure.
– batbrat
Feb 4 '12 at 3:30
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