大约有 43,000 项符合查询结果(耗时:0.0441秒) [XML]

https://stackoverflow.com/ques... 

How to convert floats to human-readable fractions?

... long m[2][2]; double x, startx; long maxden; long ai; /* read command line arguments */ if (ac != 3) { fprintf(stderr, "usage: %s r d\n",av[0]); // AF: argument missing exit(1); } startx = x = atof(av[1]); maxden = atoi(av[2]); /* initialize ma...
https://stackoverflow.com/ques... 

WKWebView not loading local files under iOS 8

...hey finally solved the bug! Now we can use -[WKWebView loadFileURL:allowingReadAccessToURL:]. Apparently the fix was worth some seconds in WWDC 2015 video 504 Introducing Safari View Controller For iOS8 ~ iOS10 (Swift 3) As Dan Fabulish's answer states this is a bug of WKWebView which apparent...
https://stackoverflow.com/ques... 

In STL maps, is it better to use map::insert than []?

.... I preferred map[key] = value; because it feels natural and is clear to read whereas he preferred map.insert(std::make_pair(key, value)) . ...
https://stackoverflow.com/ques... 

Async call with await in HttpClient never returns

...aused the code to hang. This is because GetResult() blocks the current thread until the Task completes. When the task does complete it attempts to re-enter the thread context in which it was started but cannot because there is already a thread in that context, which is blocked by the call to GetRe...
https://stackoverflow.com/ques... 

Understanding PrimeFaces process/update and JSF f:ajax execute/render attributes

...m> (note that process attribute is omitted as that defaults to @form already) Whilst that may work fine, the update of input and command components is in this particular example unnecessary. Unless you change the model values foo and bar inside action method (which would in turn be unintuitive i...
https://stackoverflow.com/ques... 

How to use Google App Engine with my own naked domain (not subdomain)?

After hours of reading about and experimenting with DNS records I can access my Google App Engine app via these URLs: 14 An...
https://stackoverflow.com/ques... 

Is Java really slow?

...ow (updated for 2013): Libraries are often written for "correctness" and readability, not performance. In my opinion, this is the main reason Java still has a bad reputation, especially server-side. This makes the String problems exponentially worse. Some simple mistakes are common: objects are of...
https://stackoverflow.com/ques... 

Instance variable: self vs @

...it actually is. Or more practically, a PersistentPerson class might lazily read that data from a persistent store, cache all its persistent data in a hash. share | improve this answer | ...
https://stackoverflow.com/ques... 

What does numpy.random.seed(0) do?

... Also, when you call numpy.random.seed(None), it "will try to read data from /dev/urandom (or the Windows analogue) if available or seed from the clock otherwise". – Jonathan Apr 9 '17 at 11:06 ...
https://stackoverflow.com/ques... 

html (+css): denoting a preferred place for a line break

...on-breaking space, however this would be really messy, and writing a human-readable version requires a little effort. ctrl + c, ctrl + v helps example: Honey Nut Cheerios,<!---->​<!-- -->Wheat Chex,<!---->​<!-- -->Grape&amp...