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Test for equality among all elements of a single vector
...ing by the mean:
# Determine if range of vector is FP 0.
zero_range <- function(x, tol = .Machine$double.eps ^ 0.5) {
if (length(x) == 1) return(TRUE)
x <- range(x) / mean(x)
isTRUE(all.equal(x[1], x[2], tolerance = tol))
}
If you were using this more seriously, you'd probably want to...
Error: request entity too large
...all the answers, but hadn't had any success yet and uses NGINX to host the site add this line to /etc/nginx/sites-available
client_max_body_size 100M; #100mb
share
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Sass or Compass without ruby?
...tten in Ruby, so you’ll need Ruby installed as well.
Taken from sass's site
Compass (requires Ruby, as it's based on SASS)
Compass is an open-source CSS authoring framework which uses the Sass stylesheet language to make writing stylesheets powerful and easy.
Taken from compass's site
...
Adding a collaborator to my free GitHub account?
...
123
Go to Manage Access page under settings (https://github.com/user/repo/settings/access) and add...
rreplace - How to replace the last occurrence of an expression in a string?
... = s.rsplit(old, occurrence)
... return new.join(li)
...
>>> s
'1232425'
>>> rreplace(s, '2', ' ', 2)
'123 4 5'
>>> rreplace(s, '2', ' ', 3)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 4)
'1 3 4 5'
>>> rreplace(s, '2', ' ', 0)
'1232425'
...
How do I declare class-level properties in Objective-C?
...c variable? E.g. only one instance for all types of Foo?
To declare class functions in Objective-C you use the + prefix instead of - so your implementation would look something like:
// Foo.h
@interface Foo {
}
+ (NSDictionary *)dictionary;
// Foo.m
+ (NSDictionary *)dictionary {
static NSDict...
Safe characters for friendly url [closed]
I need to make a website that will have articles, and I would like to make friendly URLs for it, example the URL of the page with
...
Highlight all occurrence of a selected word?
...
is there a way to use this functionality but with the highlighted one or more words?
– Sung Cho
Aug 6 '18 at 1:27
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How to set the matplotlib figure default size in ipython notebook?
...
123
I believe the following work in version 0.11 and above. To check the version:
$ ipython --ver...
Convert MySql DateTime stamp into JavaScript's Date format
...:MM:SS and either parse it or convert it to work in JavaScript's Date() function, for example:- Date('YYYY, MM, DD, HH, MM, SS);
...