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How to get full path of a file?
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See stackoverflow.com/questions/1055671/…
– filmor
May 16 '13 at 18:29
5
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Returning multiple objects in an R function [duplicate]
...and a vector of strings bar in your function, you could create a list that combines these items:
foo <- 12
bar <- c("a", "b", "e")
newList <- list("integer" = foo, "names" = bar)
Then return this list.
After calling your function, you can then access each of these with newList$integer ...
MySQL: Fastest way to count number of rows
...tely after the data selecting query.
In conclusion, everything actually comes down to how many entries you have and what is in the WHERE statement. You should really pay attention on how indexes are being used, when there are lots of rows (tens of thousands, millions, and up).
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Highlight text similar to grep, but don't filter out text [duplicate]
...g full perl regular expressions.
$ ack --passthru 'pattern1' file_name
$ command_here | ack --passthru 'pattern1'
You can also do it using grep like this:
$ grep --color -E '^|pattern1|pattern2' file_name
$ command_here | grep --color -E '^|pattern1|pattern2'
This will match all lines and hi...
JSP tricks to make templating easier?
...'s really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to get something like template inheritance ( Django style) or at least be ...
Is there a way to make npm install (the command) to work behind proxy?
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I solved this problem this way:
I run this command:
npm config set strict-ssl false
Then set npm to run with http, instead of https:
npm config set registry "http://registry.npmjs.org/"
Then I install packages using this syntax:
npm --proxy http://username:passwo...
Floating point vs integer calculations on modern hardware
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But MMX and SSE*/AVX2 integer instructions do compete for the same execution units, so using both at once is almost never useful. Just use the wider XMM / YMM versions to get more work done. Using SIMD integer and FP at the same time competes for the same registers, bu...
In PyCharm, how to go back to last location?
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Under ArchLinux with PyCharm CE 3.1 works the combination Ctrl + Alt + Left.
This is the way I find out the combination:
(Right click) Go To -> Implementation(s)
Double Shift -> Back
There is an option Back in the section Actions
Ctrl + Shift + A
And then the ...
Best practices to handle routes for STI subclasses in rails
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This is the simplest solution I was able to come up with with minimal side effect.
class Person < Contact
def self.model_name
Contact.model_name
end
end
Now url_for @person will map to contact_path as expected.
How it works: URL helpers rely on YourModel...
INotifyPropertyChanged vs. DependencyProperty in ViewModel
...hich implements INotifyPropertyChanged interface can be found here: http://compositeextensions.codeplex.com
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