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Controlling a USB power supply (on/off) with Linux

... USB power management from kernels 2.6.32, which seem to settle in 2.6.38. Now you'll need to wait for the device to become idle, which is governed by the particular device driver. The driver needs to support it, otherwise the device will never reach this state. Unluckily, now the user has no chance...
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How do I unit test web api action method when it returns IHttpActionResult?

...d example for a Get operation...i changed the status code to different one now... – Kiran Challa Nov 12 '13 at 21:22 4 ...
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Git merge errors

...h: git checkout master # Merge the topic branch into master - this should now be a fast-forward # that leaves you with master exactly as 9-sign-in-out was: git merge 9-sign-in-out share | improve ...
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How to resize a VirtualBox vmdk file

...e the UUID automatically. I had to remove the hard drive from the list of known hard drives (File -> Virtual Media Manager) and then re-add it to the instance. – Chaim Eliyah Dec 14 '17 at 22:14 ...
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smart pointers (boost) explained

...> q(p); // not legal! unique_ptr<type> r(move(p)); // legal. p is now empty, but r owns the object unique_ptr<type> s(function_returning_a_unique_ptr()); // legal! This is the semantic that std::auto_ptr obeys, but because of missing native support for moving, it fails to provide th...
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Passing arguments to require (when loading module)

...t it? My module won't make explicit use of this app argument, but I don't know if it is required by node.js for some internal thing. If it's ok, my module declaration would look like this: module.exports = function (db) { – Ulysses Alves Nov 11 '15 at 12:09 ...
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What is the purpose of willSet and didSet in Swift?

...ldVC!.view.setTranslatesAutoresizingMaskIntoConstraints(false) //For now - until I add my own constraints self.view.addSubview(_childVC!.view) let views = ["view" : _childVC!.view] as NSMutableDictionary let layoutOpts = NSLayoutFormatOptions(0) ...
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How to use hex color values

... countelements is now just count :) – Hlung Apr 6 '15 at 16:24 ...
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How can I conditionally require form inputs with AngularJS?

... This feature is documented by now: docs.angularjs.org/api/ng/directive/ngRequired – bjunix May 9 '16 at 11:42 add a comment ...
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Reset the database (purge all), then seed a database

... As of Rails 5, the rake commandline tool has been aliased as rails so now rails db:reset instead of rake db:reset will work just as well share | improve this answer | ...