大约有 45,007 项符合查询结果(耗时:0.0418秒) [XML]

https://stackoverflow.com/ques... 

How can I create an Asynchronous function in Javascript?

...follow | edited Mar 1 '12 at 13:33 answered Mar 1 '12 at 13:21 ...
https://stackoverflow.com/ques... 

What does “error: option --single-version-externally-managed not recognized” indicate?

...including PyObjC and astropy ). I've never seen this error before, but it's now also showing up on travis-ci builds for which nothing has changed. ...
https://stackoverflow.com/ques... 

Does anyone beside me just NOT get ASP.NET MVC? [closed]

I've been fiddling with ASP.NET MVC since the CTP, and I like a lot of things they did, but there are things I just don't get. ...
https://stackoverflow.com/ques... 

When is it acceptable to call GC.Collect?

...would be an appropriate time to collect in terms of the small performance hit. A good example of this is if you've just closed a large form. You know that all the UI controls can now be garbage collected, and a very short pause as the form is closed probably won't be noticeable to the user. UPDATE...
https://stackoverflow.com/ques... 

Why does pthread_cond_wait have spurious wakeups?

... The following explanation is given by David R. Butenhof in "Programming with POSIX Threads" (p. 80): Spurious wakeups may sound strange, but on some multiprocessor systems, making condition wakeup completely predictable might substantially slow all condition variable operations. In the follo...
https://stackoverflow.com/ques... 

Seedable JavaScript random number generator

... believe). However, I don't think there's any way to set you own seed for it. 9 Answers ...
https://stackoverflow.com/ques... 

Why do enum permissions often have 0, 1, 2, 4 values?

...two and I can do this: var permissions = Permissions.Read | Permissions.Write; And perhaps later... if( (permissions & Permissions.Write) == Permissions.Write ) { // we have write access } It is a bit field, where each set bit corresponds to some permission (or whatever the enumerated ...
https://stackoverflow.com/ques... 

Is there a version of JavaScript's String.indexOf() that allows for regular expressions?

...lse if(startpos < 0) { startpos = 0; } var stringToWorkWith = this.substring(0, startpos + 1); var lastIndexOf = -1; var nextStop = 0; while((result = regex.exec(stringToWorkWith)) != null) { lastIndexOf = result.index; regex.lastIndex = ++nextStop; ...
https://stackoverflow.com/ques... 

Can you make valid Makefiles without tab characters?

... have a tab character preceding the the content of each command line, or it throws a syntax error. 10 Answers ...
https://stackoverflow.com/ques... 

Does Firefox support position: relative on table elements?

When I try to use position: relative / position: absolute on a <th> or <td> in Firefox it doesn't seem to work. ...