大约有 44,000 项符合查询结果(耗时:0.0576秒) [XML]

https://stackoverflow.com/ques... 

How to automatically install Emacs packages by specifying a list of package names?

... Previously I used this code and sometimes it did not work for some unknown reason saying "Package blah-blah is not available for installation" (here blah-blah is always the first element of the list). If I install the first package manually, everything works fine, but it is not a solution. Anyw...
https://stackoverflow.com/ques... 

Restful API service

.... The activity gets the finish message and hides the progress dialog. I know you mentioned you didn't want a code base but the open source Google I/O 2010 app uses a service in this way I am describing. Updated to add sample code: The activity. public class HomeActivity extends Activity impleme...
https://stackoverflow.com/ques... 

How can I retrieve Id of inserted entity using Entity framework? [closed]

...ges();//adds customer.Id to customer and the correct CustomerId to order Now when I save the changes the id that is generated for customer is also added to order. I've no need for the additional steps I'm aware this doesn't answer the original question but thought it might help developers who are...
https://stackoverflow.com/ques... 

sed one-liner to convert all uppercase to lowercase?

...oned, BSD sed doesn't support it). Try reading the top line of man sed to know which version you're using. – Ryder Dec 8 '17 at 10:48 ...
https://stackoverflow.com/ques... 

Saving a Numpy array as an image

... @TomášGavenčiak - scipy.misc.imsave is now deprecated in the newer versions of Scipy. An alternative a few comments below is to use imageio.imwrite('image_file.jpg', array) – Psi-Ed May 3 at 6:17 ...
https://stackoverflow.com/ques... 

Warning - Build path specifies execution environment J2SE-1.4

... your project Properties and click on Java Build Path located on the left. Now you will find inside the Libraries Window the J2SE 1.5, double click on this one and a new window will give you the possibility to choose the correct Excecution Environment. Now select your version and the warning will di...
https://stackoverflow.com/ques... 

Way to go from recursion to iteration

...s still depth-first search. But if you change the whole thing into a queue now you are doing breadth-first rather than depth-first traversal. – pete Oct 31 '13 at 20:33 1 ...
https://stackoverflow.com/ques... 

Installing a local module using npm?

...rds to creating a local package, installing it and then using it, I don't know... link works, (and its great), but the terminology is rather confusing. – smaudet Dec 25 '15 at 22:22 ...
https://stackoverflow.com/ques... 

Programmer Puzzle: Encoding a chess board state throughout a game

...ays “all subsequent legal moves”. The problem also says nothing about knowing the moves up to this point. That’s actually a problem as I’ll explain. Castling The game has proceeded as follows: e4 e5 Nf3 Nc6 Bb5 a6 Ba4 Bc5 The board looks as follows: White has the option of castli...
https://stackoverflow.com/ques... 

Is there a way to get a collection of all the Models in your Rails app?

...ection to search for every classes that extends ActiveRecord::Base. Don't know how you can list all the classes though... EDIT: Just for fun, I found a way to list all classes Module.constants.select { |c| (eval c).is_a? Class } EDIT: Finally succeeded in listing all models without looking at di...