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How to assign from a function which returns more than one value?
...ge. It does not require a special operator but does require that the left hand side be written using list[...] like this:
library(gsubfn) # need 0.7-0 or later
list[a, b] <- functionReturningTwoValues()
If you only need the first or second component these all work too:
list[a] <- function...
No route matches “/users/sign_out” devise rails 3
I've installed devise on my app and applied the following in my application.html.erb file:
29 Answers
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PHP memory profiling
...page's memory usage? For example, to see how much memory my data is using, and/or which function calls are allocating the most memory.
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Regular expression to match a line that doesn't contain a word
I know it's possible to match a word and then reverse the matches using other tools (e.g. grep -v ). However, is it possible to match lines that do not contain a specific word, e.g. hede , using a regular expression?
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How to exit pdb and allow program to continue?
I'm using the pdb module to debug a program. I'd like to understand how I can exit pdb and allow the program to continue onward to completion. The program is computationally expensive to run, so I don't want to exit without the script attempting to complete. continue doesn't seems to work. How can...
Sorting multiple keys with Unix sort
...s that need to be sorted by 1-n keys. Some of these keys might be numeric and some of them might not be. This is a fixed-width columnar file so there are no delimiters.
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The import android.support cannot be resolved
...g to run the code provided HERE
I downloaded the code from their Github and imported into Android SDK, but it shows error at the lines
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What's the point of const pointers?
...m not 100% sure about a const that you get passed in as a func var. thanks and sorry if this is off topic
– Tomer
Feb 4 '18 at 22:15
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What do these words mean in Git: Repository, fork, branch, clone, track?
...oject (take the source from someone's repository at certain point in time, and apply your own diverging changes to it), you would clone the remote repository to create a copy of it, then do your own work in your local repository and commit changes.
Within a repository you have branches, which are e...
What is the purpose of class methods?
I'm teaching myself Python and my most recent lesson was that Python is not Java , and so I've just spent a while turning all my Class methods into functions.
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