大约有 47,000 项符合查询结果(耗时:0.0714秒) [XML]

https://stackoverflow.com/ques... 

The new keyword “auto”; When should it be used to declare a variable type? [duplicate]

... v.end(); ++it) //v is some [std] container { //.. } Or, more generally, //good : auto increases readability here for(auto it = std::begin(v); it != std::end(v); ++it)//v could be array as well { //.. } But when the type is not very well-known and infrequently used , then I think ...
https://stackoverflow.com/ques... 

When should we use mutex and when should we use semaphore

... to sleep till you release the mutex. Spinlock: Use a spinlock when you really want to use a mutex but your thread is not allowed to sleep. e.g.: An interrupt handler within OS kernel must never sleep. If it does the system will freeze / crash. If you need to insert a node to globally shared linke...
https://stackoverflow.com/ques... 

Determine a string's encoding in C#

...ply 8-bit Encoding and you have the Encoding used to decode it, you can usually get the bytes back without any corruption, though. – Nyerguds Jan 27 '18 at 13:44 ...
https://stackoverflow.com/ques... 

How to set tbody height with overflow scroll

... Finally! I'm now able to have a fixed height, scrolling table body, fixed headers, adjustable column widths .... all without javascript! Thank you!! – Matt Hancock Dec 6 '15 at 23:13 ...
https://stackoverflow.com/ques... 

Twitter Bootstrap - Tabs - URL doesn't change

... I don't think any of the comments here, nor the accepted answer, handle all of these scenarios. As there's quite a bit involved, I think it's neatest as a small jQuery plugin: https://github.com/aidanlister/jquery-stickytabs You can call the plugin like so: $('.nav-tabs').stickyTabs(); I've ...
https://stackoverflow.com/ques... 

URLWithString: returns nil

...llowing API webStringURL = [stringURL stringByAddingPercentEncodingWithAllowedCharacters:NSCharacterSet.URLQueryAllowedCharacterSet]; – Rushabh Oct 24 '17 at 0:37 ...
https://stackoverflow.com/ques... 

WCF timeout exception detailed investigation

... It only took a year, but I finally ran another stress test on the application with this flag set. The issue appears solved, so I am giving you the best answer. I would not be surprised that this was the last piece of the puzzle that was required but that ...
https://stackoverflow.com/ques... 

Is there any advantage of using map over unordered_map in case of trivial keys?

... unordered_map. Something else to keep in mind is that unordered_map generally uses more memory. map just has a few house-keeping pointers, and memory for each object. Contrarily, unordered_map has a big array (these can get quite big in some implementations), and then additional memory for each ob...
https://stackoverflow.com/ques... 

How to exit pdb and allow program to continue?

...b 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 I exit pdb and ...
https://stackoverflow.com/ques... 

Applications are expected to have a root view controller at the end of application launch

... make sure self.window is initialized like self.window = [[[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]] autorelease]; – Raptor Feb 13 '12 at 12:07 1 ...