大约有 42,000 项符合查询结果(耗时:0.0590秒) [XML]

https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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. ...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

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...
https://stackoverflow.com/ques... 

Want to exclude file from “git diff”

... subdirectory called .gitattributes with the line irrelevant.php -diff and I have also tried creating a file called .git/info/attributes containing db/irrelevant.php . ...
https://stackoverflow.com/ques... 

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? ...
https://stackoverflow.com/ques... 

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 add a comment  |  ...
https://stackoverflow.com/ques... 

How to make connection to Postgres via Node.js

... find myself trying to create a postgres database, so I installed postgres and started a server with initdb /usr/local/pgsql/data , then I started that instance with postgres -D /usr/local/pgsql/data now how can I interact with this through node? For example, what would the connectionstring be,...
https://stackoverflow.com/ques... 

Best practices to handle routes for STI subclasses in rails

My Rails views and controllers are littered with redirect_to , link_to , and form_for method calls. Sometimes link_to and redirect_to are explicit in the paths they're linking (e.g. link_to 'New Person', new_person_path ), but many times the paths are implicit (e.g. link_to 'Show', person ...
https://stackoverflow.com/ques... 

Why are Python's 'private' methods not actually private?

Python gives us the ability to create 'private' methods and variables within a class by prepending double underscores to the name, like this: __myPrivateMethod() . How, then, can one explain this ...