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Is it possible to have a multi-line comments in R? [duplicate]
... <- function(x) {
# Non! Comment it out! We'll just do it once for now.
"if (x %in% 1:9) {
doTenEverythings()
}"
doEverythingOnce()
...
return(list(
everythingDone = TRUE,
howOftenDone = 1
))
}
The main limitation is that when you'...
How do you specify the Java compiler version in a pom.xml file?
...
This is now the first method on the Maven documentation page that @mkobit gave. Much nicer, and you don't have to pin the version of the compiler plugin.
– Danila Piatov
Feb 19 '18 at 18:49
...
How to unit test abstract classes: extend with stubs?
... then become implementations of this new interface.
This means you can now test your previously abstract class using a mock instance of the new interface, and each new implementation through the now public interface. Everything is simple and testable.
Solution For 2
If you have the second si...
With Spring can I make an optional path variable?
...
It's not well known that you can also inject a Map of the path variables using the @PathVariable annotation. I'm not sure if this feature is available in Spring 3.0 or if it was added later, but here is another way to solve the example:
@R...
Change font size macvim?
...nging anything else about it.
Then you can use :set gfn to see what it is now set to and add that to your .vimrc.
As an example, in my case it shows guifont=Monaco:h12 and so in order to get the same setting on startup, I added set gfn=Monaco:h12 to my .vimrc.
...
How to validate an email address using a regular expression?
...me web page as was the address.
Confirmation tokens are the only way to know you got the address of the person entering it. This is why most mailing lists now use that mechanism to confirm sign-ups. After all, anybody can put down president@whitehouse.gov, and that will even parse as legal, but it...
What is the purpose of the -nodes argument in openssl?
...ay to use the encrypted key is to decrypt it first, for which you need to know the password it was encrypted with to generate the same key.
– indiv
Apr 12 '13 at 14:42
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How to use RSpec's should_raise with any kind of exception?
...
The syntax changed recently and now it is:
expect { ... }.to raise_error(ErrorClass)
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What's the difference between ng-model and ng-bind
...t the uppercase filter is doing in the ng-bind example above.
Parsers
Now, what if you plan to allow the user to change the value of mystring? ng-bind only has one way binding, from model-->view. However, ng-model can bind from view-->model which means that you may allow the user to chang...
Proper way to handle multiple forms on one page in Django
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Great idea with those prefixes, we used those now and they work like a charm. But we still had to insert a hidden field to detect which form was submitted, because both forms are in a lightbox (each in a separate one). Because we need to reopen the correct lightbox we ne...