大约有 45,000 项符合查询结果(耗时:0.0534秒) [XML]

https://stackoverflow.com/ques... 

@property retai<em>nem>, assig<em>nem>, copy, <em>nem>o<em>nem>atomic i<em>nem> Objective-C

...to Objective-C ca<em>nem> someo<em>nem>e give me a<em>nem> overview of the retai<em>nem>, assig<em>nem>, copy <em>a<em>nem>dem> a<em>nem>y others I'm missi<em>nem>g, that follow the @property directive? What are they doi<em>nem>g <em>a<em>nem>dem> why would I wa<em>nem>t to use o<em>nem>e over a<em>nem>other? ...
https://stackoverflow.com/ques... 

How does o<em>nem>e output bold text i<em>nem> Bash?

...ld=$(tput bold) <em>nem>ormal=$(tput sgr0) the<em>nem> you ca<em>nem> use the variables $bold <em>a<em>nem>dem> $<em>nem>ormal to format thi<em>nem>gs: echo "this is ${bold}bold${<em>nem>ormal} but this is<em>nem>'t" gives this is bold but this is<em>nem>'t share | ...
https://stackoverflow.com/ques... 

Does a break stateme<em>nem>t break from a switch/select?

..., it must be that of a<em>nem> e<em>nem>cl<em>osem>i<em>nem>g "for", "switch" or "select" stateme<em>nem>t, <em>a<em>nem>dem> that is the o<em>nem>e wh<em>osem>e executio<em>nem> termi<em>nem>ates (§For stateme<em>nem>ts, §Switch stateme<em>nem>ts, §Select stateme<em>nem>ts). L: for i &lt; <em>nem> { switch i { case 5: break L } } Therefore, the break stateme<em>nem>...
https://stackoverflow.com/ques... 

How to get <em>nem>otified about cha<em>nem>ges of the history via history.pushState?

...ired whe<em>nem> you use pushState. But a<em>nem> eve<em>nem>t such as pushstate would come i<em>nem> h<em>a<em>nem>dem>y. Because history is a h<em>osem>t object, you should be careful with it, but Firefox seems to be <em>nem>ice i<em>nem> this case. This code works just fi<em>nem>e: (fu<em>nem>ctio<em>nem>(history){ var pushState = history.pushState; history.pushState = ...
https://stackoverflow.com/ques... 

UIPopoverco<em>nem>troller dealloc reached while popover is still visible

...a<em>nem>aged by the prese<em>nem>tatio<em>nem> co<em>nem>troller. Code example (works both o<em>nem> iPho<em>nem>e <em>a<em>nem>dem> iPad): UIImagePickerCo<em>nem>troller *picker = [[UIImagePickerCo<em>nem>troller alloc] i<em>nem>it]; picker.delegate = self; picker.sourceType = UIImagePickerCo<em>nem>trollerSourceTypeCamera; picker.allowsEditi<em>nem>g = YES; picker.modalPrese<em>nem>tatio<em>nem>St...
https://stackoverflow.com/ques... 

What to do Regular expressio<em>nem> patter<em>nem> does<em>nem>'t match a<em>nem>ywhere i<em>nem> stri<em>nem>g?

...uld be imp<em>osem>sible with regex! But you are o<em>nem>ly matchi<em>nem>g what's i<em>nem> o<em>nem>e tag, <em>a<em>nem>dem> that's perfectly regular. Here's the problem, though. You ca<em>nem>'t do it with just o<em>nem>e regex... you <em>nem>eed to do o<em>nem>e match to capture a<em>nem> &lt;i<em>nem>put&gt; tag, the<em>nem> do further processi<em>nem>g o<em>nem> that. <em>Nem>ote that this will o<em>nem>ly work if ...
https://stackoverflow.com/ques... 

How do ports work with IPv6?

...t cha<em>nem>ged betwee<em>nem> the two versio<em>nem>s is the addressi<em>nem>g scheme, DHCP [DHCPv6] <em>a<em>nem>dem> ICMP [ICMPv6]. So basically, a<em>nem>ythi<em>nem>g TCP/UDP related, i<em>nem>cludi<em>nem>g the port ra<em>nem>ge (0-65535) remai<em>nem>s u<em>nem>cha<em>nem>ged. Edit: Port 0 is a reserved port i<em>nem> TCP but it does exist. See RFC793 ...
https://stackoverflow.com/ques... 

Get U<em>nem>ix Epoch Time i<em>nem> Swift

...rki<em>nem>g/AlamoFire (github.com/Alamofire/Alamofire) to load curre<em>nem>tmillis.com <em>a<em>nem>dem> the<em>nem> parse the html of the page. <em>Nem>ote that you have to accou<em>nem>t for <em>nem>etworki<em>nem>g delays <em>a<em>nem>dem> check for co<em>nem><em>nem>ectivity. I decided to just use Fou<em>nem>datio<em>nem>... – Chase Roberts Dec 9 '16 at 20:2...
https://stackoverflow.com/ques... 

How do I parse a stri<em>nem>g with a decimal poi<em>nem>t to a double?

... XmlCo<em>nem>vert class ... do you have a<em>nem>y ideas whether this is better, worse, <em>a<em>nem>dem>/or differe<em>nem>t tha<em>nem> usi<em>nem>g CultureI<em>nem>fo.I<em>nem>varia<em>nem>tCulture? – ChrisW Aug 30 '09 at 21:23 1 ...
https://stackoverflow.com/ques... 

Ca<em>nem>'t i<em>nem>stall Ruby u<em>nem>der Lio<em>nem> with RVM – GCC issues

... This a<em>nem>swer was edited multiple times <em>a<em>nem>dem> <em>nem>ow co<em>nem>tai<em>nem>s several alter<em>nem>ative solutio<em>nem>s. Try the simpleEdit 3” solutio<em>nem> first. Ruby 1.9.3-p125 <em>a<em>nem>dem> later have official support for cla<em>nem>g, so if you are i<em>nem>stalli<em>nem>g such a versio<em>nem> you should <em>nem>ot <em>nem>eed GCC. If you...