大约有 44,665 项符合查询结果(耗时:0.0832秒) [XML]

https://stackoverflow.com/ques... 

Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I

... broken link OR unresponsive site. – SouravA Mar 8 '18 at 15:13 6 ...
https://stackoverflow.com/ques... 

What's the best way to parse command line arguments? [closed]

... more information. As other people pointed out, you are better off going with optparse over getopt. getopt is pretty much a one-to-one mapping of the standard getopt(3) C library functions, and not very easy to use. optparse, while being a bit more verbose, is much better structured and simpler t...
https://stackoverflow.com/ques... 

How do you serialize a model instance in Django?

... object and that's all what django serializers need to correctly serialize it, eg.: from django.core import serializers # assuming obj is a model instance serialized_obj = serializers.serialize('json', [ obj, ]) share ...
https://stackoverflow.com/ques... 

Ruby on Rails: Where to define global constants?

I'm just getting started with my first Ruby on Rails webapp. I've got a bunch of different models, views, controllers, and so on. ...
https://stackoverflow.com/ques... 

When and why I should use session_regenerate_id()?

...d I use the session_regenerate_id() function in php? Should I always use it after I use the session_start() ? I've read that I have to use it to prevent session fixation, is this the only reason? ...
https://stackoverflow.com/ques... 

Caveats of select/poll vs. epoll reactors in Twisted

...is a natural replacement for Select and Poll based networking, especially with Twisted. Which makes me paranoid, its pretty rare for a better technique or methodology not to come with a price. ...
https://stackoverflow.com/ques... 

Wait for page load in Selenium

How do you make Selenium 2.0 wait for the page to load? 47 Answers 47 ...
https://stackoverflow.com/ques... 

Automatic post-registration user authentication

...lding a business app from the ground up in Symfony 2, and I've run into a bit of a snag with the user registration flow: after the user creates an account, they should be automatically logged in with those credentials, instead of being immediately forced to provide their credentials again. ...
https://stackoverflow.com/ques... 

Can you remove elements from a std::list while iterating through it?

... You have to increment the iterator first (with i++) and then remove the previous element (e.g., by using the returned value from i++). You can change the code to a while loop like so: std::list<item*>::iterator i = items.begin(); while (i != i...
https://stackoverflow.com/ques... 

Where do I put image files, css, js, etc. in Codeigniter?

Where is it acceptable to put css folders and image file folders? I was thinking inside the view folder? However the controller always reroutes the path to the base url so I have to specify the path in the .html file to where it sits, which is redundant. ...