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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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is there an virtual environment for node.js?

...your main issue, then maybe consider using the very cool 'bundle' command with npm. This is closer to freezing gems or using bundler in rails, rather than rvm. It's super easy. Just create a package.json file: { "name": "yourapp", "version": "0.0.1", "dependencies": {"jade": "0.4.1"}} and then r...
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Creating temporary files in Android

...lly do: File outputDir = context.getCacheDir(); // context being the Activity pointer File outputFile = File.createTempFile("prefix", "extension", outputDir); As for their deletion, I am not complete sure either. Since I use this in my implementation of a cache, I manually delete the oldest files...
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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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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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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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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; ...