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Regular expression to stop at first match
...tensions (Java, Ruby, Python, etc) but not in "traditional" regex engines (including JavaScript, Awk, sed, grep without -P, etc).
– tripleee
Jul 8 at 17:52
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Best way to detect Mac OS X or Windows computers with JavaScript or jQuery
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var isMac = navigator.platform.toUpperCase().indexOf('MAC')>=0;
To include iOS that also use the "left side"
var isMacLike = /(Mac|iPhone|iPod|iPad)/i.test(navigator.platform);
var isIOS = /(iPhone|iPod|iPad)/i.test(navigator.platform);
var is_OSX = /(Mac|iPhone|iPod|iPad)/i.test(navi...
dplyr summarise: Equivalent of “.drop=FALSE” to keep groups with zero length in output
...iris$Species), "empty_level"))
# Species is a factor and empty groups are included in the output
iris %>% group_by(Species, .drop=FALSE) %>% tally
#> Species n
#> 1 setosa 50
#> 2 versicolor 50
#> 3 virginica 50
#> 4 empty_level 0
# Add characte...
Print all day-dates between two dates [duplicate]
...08-09-15
Your question asks for dates in-between but I believe you meant including the start and end points, so they are included. To remove the end date, delete the "+ 1" at the end of the range function. To remove the start date, insert a 1 argument to the beginning of the range function.
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How to split strings across multiple lines in CMake?
... the second or subsequent lines without getting the indentation whitespace included in your string.
CMake 2.8 and older
You can use a list. Each element of the list can be put on a new line:
set(MYPROJ_VERSION_MAJOR "1")
set(MYPROJ_VERSION_MINOR "0")
set(MYPROJ_VERSION_PATCH "0")
set(MYPROJ_VERSI...
What is the proper way to display the full InnerException?
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You can simply print exception.ToString() -- that will also include the full text for all the nested InnerExceptions.
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How can I initialize base class member variables in derived class constructor?
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# include<stdio.h>
# include<iostream>
# include<conio.h>
using namespace std;
class Base{
public:
Base(int i, float f, double d): i(i), f(f), d(d)
{
}
virtual void Show()=0;
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Removing multiple files from a Git repo that have already been deleted from disk
...1.x
$ git add -u
This tells git to automatically stage tracked files -- including deleting the previously tracked files.
For Git 2.0
To stage your whole working tree:
$ git add -u :/
To stage just the current path:
$ git add -u .
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How do I remove all .pyc files from a project?
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-name '*.py?' to include .pyo, .pyc,...
– cdosborn
Aug 20 '16 at 22:25
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How to assign from a function which returns more than one value?
...eturn values into their own variable. The := function is defined here, and included below for posterity:
':=' <- function(lhs, rhs) {
frame <- parent.frame()
lhs <- as.list(substitute(lhs))
if (length(lhs) > 1)
lhs <- lhs[-1]
if (length(lhs) == 1) {
do.call(`=`, list(...