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In C#, what happens when you call an extension method on a null object?

... Actually, sometimes you don't know if someone is dead, so you still ask, and the person might reply, "no, just resting with my eyes closed" – nurchi Sep 17 '14 at 1:45 ...
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Installing rmagick on Ubuntu

... As I commented below, worked fine for me just now with just libmagickwand-dev and I didn't need any additional packages. At least for Magick::ImageList.from_blob, Magick::ImageList.resize, and Magick::ImageList.write. Not sure about other methods. ...
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Express-js can't GET my static files, why?

...sset path prefix like: http://localhost:3000/asset/css/bootstrap.min.css. Now in the views I can simply include CSS and JS like below: <link href="/asset/css/bootstrap.min.css" rel="stylesheet"> share | ...
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MySQL DROP all tables, ignoring foreign keys

... Yeah I know, but I wanted to use it in a script. What I ended up actually doing is DROP DATABASE foo; CREATE DATABASE foo;, which isn't quite the same but worked for me. – Timmmm Nov 15 '12 at 9...
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Align contents inside a div

... If you don't know the div width, which is often the case, this solution works perfectly in all browsers: matthewjamestaylor.com/blog/… – Artem Russakovskii Jan 28 '10 at 8:35 ...
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“cannot resolve symbol R” in Android Studio

...tudio and worked without any "cannot resolve R" problems. I would like to know what causes this if anyone knows. 97 Answers...
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How can I extract audio from video with ffmpeg?

...mats or ffmpeg -codecs would give sufficient information so that you know more. share | improve this answer | follow | ...
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How do I sort an NSMutableArray with custom objects in it?

... There's nothing really wrong with it, but I think there are now much better alternatives. – Georg Schölly Apr 30 '09 at 6:43 6 ...
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'id' is a bad variable name in Python

... PEP 8, which was updated 01-Aug-2013, now advises avoiding potential confusion by simply appending _ to the variable name. Please see my answer. – DavidRR Jan 22 '15 at 14:28 ...
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Making a mocked method return an argument that was passed to it

....get(key); } } return null; } }); We can now run our tests on this mock. For example: String name = "room"; Room room = new Room(name); roomService.persist(room); assertThat(roomService.findByName(name), equalTo(room)); assertNull(roomService.findByName("none")); ...