大约有 45,000 项符合查询结果(耗时:0.0259秒) [XML]

https://stackoverflow.com/ques... 

How to create NS_OPTIONS-style bitmask enumerations in Swift?

...tocol extensions take care of most of the boilerplate for these, which are now imported as a struct that conforms to OptionSetType. (RawOptionSetType has disappeared as of Swift 2 beta 2.) The declaration is far simpler: struct MyOptions : OptionSetType { let rawValue: Int static let None ...
https://stackoverflow.com/ques... 

JavaScript hashmap equivalent

...regular JavaScript dictionary. After all, you are in the best position to know what makes your objects unique. That's what I do. Example: var key = function(obj){ // Some unique object-dependent key return obj.totallyUniqueEmployeeIdKey; // Just an example }; var dict = {}; dict[key(obj1)] = o...
https://stackoverflow.com/ques... 

How to split a string literal across multiple lines in C / Objective-C?

... Perfect! Now I just need to give this a few more hundred upvotes, and get it where it belongs... – Mike Oct 22 '14 at 12:29 ...
https://stackoverflow.com/ques... 

Can you run GUI applications in a Docker container?

...er nicely for me on an Ubuntu 14.04 laptop with docker 1.5 earlier; but is now failing for me on Ubuntu 15.04, docker 1.6.2, with the error Can't open display: :0. Any ideas? – cboettig Jun 10 '15 at 4:30 ...
https://stackoverflow.com/ques... 

How to terminate a Python script

... Do you know if this command works differently in python 2 and python 3? – David C. Dec 27 '16 at 18:33 1 ...
https://stackoverflow.com/ques... 

What's the difference between __PRETTY_FUNCTION__, __FUNCTION__, __func__?

... @JamesMcNellis It is now, so clear the comments, to remove the noise – daramarak Sep 10 '13 at 11:08 ...
https://stackoverflow.com/ques... 

How to avoid circular imports in Python? [duplicate]

I know the issue of circular imports in python has come up many times before and I have read these discussions. The comment that is made repeatedly in these discussions is that a circular import is a sign of a bad design and the code should be reorganised to avoid the circular import. ...
https://stackoverflow.com/ques... 

Random number generation in C++11: how to generate, how does it work? [closed]

......, 10 each with equal probability (think of this as the classic rand()). Now you want a random number in the range 0, 1, 2, each with equal probability. Your knee-jerk reaction would be to take rand() % 3. But wait, the remainders 0 and 1 occur more often than the remainder 2, so this isn't correc...
https://stackoverflow.com/ques... 

Multiprocessing vs Threading Python [duplicate]

...ing to understand the advantages of multiprocessing over threading . I know that multiprocessing gets around the Global Interpreter Lock, but what other advantages are there, and can threading not do the same thing? ...
https://stackoverflow.com/ques... 

How do I include a file over 2 directories back?

How do you include a file that is more than 2 directories back. I know you can use ../index.php to include a file that is 2 directories back, but how do you do it for 3 directories back? Does this make sense? I tried .../index.php but it isn't working. ...