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Why is the default value of the string type null instead of an empty string?

It's quite annoying to test all my strings for null before I can safely apply methods like ToUpper() , StartWith() etc... ...
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Android adb “Unable to open sync connection!”

...e-enabling it has worked so far. Hopefully it keeps working! These fixes really seem like silly hacks.. I'm not sure what the underlying problem is. share | improve this answer | ...
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Throw away local commits in Git

...commits ahead of the origin, and not in a good state. I want to get rid of all these commits and start over again. 19 Answe...
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AWS Difference between a snapshot and AMI

So I am having trouble working out what, specifically is the difference between these two. 10 Answers ...
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Google Maps Android API v2 - Interactive InfoWindow (like in original android google maps)

.... Some other guys here on StackOverflow suggested this solution and it actually looks quite good at first glance. But the problem with this solution shows up when you start to move the map around. You have to move the PopupWindow somehow yourself which is possible (by listening to some onTouch event...
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Check if an image is loaded (no errors) with jQuery

...e you risk that the image might load (or encounter an error) before those callbacks are added, and they won't be called. – callum Feb 7 '12 at 11:32 19 ...
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Animate scrollTop not working in firefox

... Firefox places the overflow at the html level, unless specifically styled to behave differently. To get it to work in Firefox, use $('body,html').animate( ... ); Working example The CSS solution would be to set the following styles: html { overflow: hidden; height: 100%; } body { ...
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What is the difference between Xamarin.Form's LayoutOptions, especially Fill and Expand?

...lignment the view is moved to the top. For horizontal alignment this is usually the left-hand side. (But note, that on devices with right-to-left language setting this is the other way around, i.e. right aligned.) Center: The view is centered. End: Usually the view is bottom or right aligned. (On ri...
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How do I prevent the padding property from changing width or height in CSS?

... This is pure magic! - It fixes the box model we all know and hate! i.e. makes it work the way intuition suggests it should - rather than the specs - but as far as I know doesn't break any specs either :D This article clarifies it well... stackoverflow.com/questions/779434/...
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Overriding a Rails default_scope

... Short answer: Do not use default_scope unless you really have to. You'll probably be better off with named scopes. With that said, you can use with_exclusive_scope to override the default scope if you need to. Have a look at this question for more details. ...