大约有 40,000 项符合查询结果(耗时:0.0457秒) [XML]

https://stackoverflow.com/ques... 

Compile time string hashing

... string length, and the compiler is not clever enough to elide the second call. Check other answers for possible fix for this problem. – CygnusX1 Feb 27 '16 at 16:34 ...
https://stackoverflow.com/ques... 

Django. Override save for model

...self._image_changed = True # Or put whole logic in here small = rescale_image(self.image,width=100,height=100) self.image_small=SimpleUploadedFile(name,small_pic) def get_image(self): return self._image image = property(get_image, set_image) # this is ...
https://stackoverflow.com/ques... 

How is Perl's @INC constructed? (aka What are all the ways of affecting where Perl modules are searc

What are all the ways of affecting where Perl modules are searched for? or, How is Perl's @INC constructed ? 3 Answers ...
https://stackoverflow.com/ques... 

Pick a random element from an array

... Int? Also, why doesn't Swift offer an Int alternative to this function or allow a user to specify what type of integer they would like returned? – Austin A Sep 27 '14 at 21:10 ...
https://stackoverflow.com/ques... 

How to manually expand a special variable (ex: ~ tilde) in bash

... Using eval is a horrible suggestion, it's really bad that it gets so many upvotes. You will run into all sorts of problems when the variable's value contains shell meta characters. – user2719058 Aug 31 '14 at 19:47 ...
https://stackoverflow.com/ques... 

Refresh a page using PHP

How can I refresh a page using PHP periodically? If I can not do it by PHP, what is the best recommended scenario? 13 Answe...
https://stackoverflow.com/ques... 

What is the difference between varchar and varchar2 in Oracle?

...t rationale before, that's useful. Thanks. For the record, it is still totally ridiculous that the main character type in Oracle is "varchar2". Doesn't that strike anybody else as a terrible kludge? Seems like how I would have solved some problem in my first week of learning to program. ...
https://stackoverflow.com/ques... 

Eclipse executable launcher error: Unable to locate companion shared library

I had Eclipse Indigo installed on my computer with the Android plugin and it was working perfectly for about two weeks. Today, I updated java and quicktime then restarted my computer. When it booted back up, eclipse had completely vanished - all the program files have completely disappeared. When I ...
https://stackoverflow.com/ques... 

How do I override __getattr__ in Python without breaking the default behavior?

I want to override the __getattr__ method on a class to do something fancy but I don't want to break the default behavior. ...
https://stackoverflow.com/ques... 

Can Selenium Webdriver open browser windows silently in background?

...um RC? You can 'supposedly', pass in some parameters into Chrome, specifically: --no-startup-window Note that for some browsers, especially IE, it will hurt your tests to not have it run in focus. You can also hack about a bit with AutoIT, to hide the window once it's opened. ...