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detach all packages while working in R
...aracter.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 can be useful to prevent the NULL re...
'id' is a bad variable name in Python
... Kevin LittleKevin Little
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Pass data to layout that are common to all pages
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answered Nov 5 '12 at 12:03
Colin BaconColin Bacon
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Combining two expressions (Expression)
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345
Well, you can use Expression.AndAlso / OrElse etc to combine logical expressions, but the prob...
Simplest/Cleanest way to implement singleton in JavaScript?
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37 Answers
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Error handling in Bash
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error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
else
echo "Error on or near line ${parent_lineno}; exiting with status ${code}"
fi
ex...
Matplotlib: “Unknown projection '3d'” error
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First off, I think mplot3D worked a bit differently in matplotlib version 0.99 than it does in the current version of matplotlib.
Which version are you using? (Try running: python -c 'import matplotlib; print matplotlib."__version__")
I'm guessing...
SSMS插件开发指南 - C/C++ - 清泛网 - 专注C/C++及内核技术
...话框
const string TOOLWINDOW_GUID = "{6CCD0EE9-20DB-4636-9149-665A958D8A9A}";
object myUserControlObject = null;
EnvDTE80.Windows2 windows2 = (EnvDTE80.Windows2)_applicationObject.Windows;
string assembly = System.Reflection.Ass...
Test if a variable is a list or tuple
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13 Answers
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