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Check for installed packages before running install.packages() [duplicate]
...the install.packages call eg install.packages(x,dep=TRUErepos='http://star-www.st-andrews.ac.uk/cran/')
– moadeep
Mar 1 '13 at 10:36
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How to uninstall Python 2.7 on a Mac OS X 10.6.4?
... the Python 2.7 install package. I've got the install package from http://www.python.org/ . What directories/files/configuration file entries do I need to remove? Is there a list somewhere?
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Statistics: combinations in Python
... @SeldomNeedy, the link to code.google.com is one right place (though the site is in archival mode now). Of course from there it's easy to find the github location, github.com/aleaxit/gmpy , and the PyPI one, pypi.python.org/pypi/gmpy2 , as it links to both!-)
– Alex Martelli
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Android Emulator: Installation error: INSTALL_FAILED_VERSION_DOWNGRADE
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answered Dec 10 '12 at 20:55
Alexander LucasAlexander Lucas
2...
Detect if homebrew package is installed
...th=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 47.1084 7.58816C47.4091 7.46349 47.7169 7.36433 48.0099 7.26993C48.9099 6.97997 49.672 6.73443 49.672 5.93063C49.672 5.22043 48.9832 4...
Relative imports in Python 2.7
...nother class under test, or when I use it in my web service!
# import any site-lib modules first, then...
import sys
parent_module = sys.modules['.'.join(__name__.split('.')[:-1]) or '__main__']
if __name__ == '__main__' or parent_module.__name__ == '__main__':
from codex import Codex # these a...
How do I compare version numbers in Python?
...'1.0.3.dev')
This was split off from the original code in setuptools and pkg_resources to provide a more lightweight and faster package.
Before the packaging library existed, this functionality was (and can still be) found in pkg_resources, a package provided by setuptools. However, this is no ...
Load multiple packages at once
...m if they are not, then load them into the R session.
ipak <- function(pkg){
new.pkg <- pkg[!(pkg %in% installed.packages()[, "Package"])]
if (length(new.pkg))
install.packages(new.pkg, dependencies = TRUE)
sapply(pkg, require, character.only = TRUE)
}
# usage
packages <- c("ggplot2"...
How to unload a package without restarting R
...all copies are detached, use this function.
detach_package <- function(pkg, character.only = FALSE)
{
if(!character.only)
{
pkg <- deparse(substitute(pkg))
}
search_item <- paste("package", pkg, sep = ":")
while(search_item %in% search())
{
detach(search_item, unload = ...
How to do a https request with bad certificate?
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Do you happen to know a site where I can test this? golang org now doesn't throw an error anymore.
– topskip
Nov 8 '17 at 7:57
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