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What does threadsafe mean?

...tbox from a thread (other than the UI thread) and an exception was thrown. It said something about the "code not being thread safe" and so I ended up writing a delegate (sample from MSDN helped) and calling it instead. ...
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Why are dashes preferred for CSS selectors / HTML attributes?

... Over the last few years I changed over to dashes, mostly to align myself with the trend in the community , not necessarily because it made sense to me. ...
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How can I create an Asynchronous function in Javascript?

...follow | edited Mar 1 '12 at 13:33 answered Mar 1 '12 at 13:21 ...
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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. ...
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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. ...
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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...
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Seedable JavaScript random number generator

... believe). However, I don't think there's any way to set you own seed for it. 9 Answers ...
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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 ...
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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...
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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; ...