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Using :after to clear floating elements

...ports just the (:) syntax, but IE 8 only supports the single-colon, so for now, it's recommended to just use the single-colon for best browser support. :: is the newer format indented to distinguish pseudo content from pseudo selectors. If you don't need IE 8 support, feel free to use the double-co...
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How to align texts inside of an input?

...affecting every single input box. .text-right{ text-align: right; } Now you can use this class exactly the same as the inputs above with class="text-right". I know it isn't saving that many key strokes but it makes your code cleaner. ...
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The type must be a reference type in order to use it as parameter 'T' in the generic type or method

I'm getting deeper into generics and now have a situation I need help with. I get a compile error on the 'Derived' class below as shown in the subject title. I see many other posts similar to this one but I'm not seeing the relationship. Can someone tell me how to resolve this? ...
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What does @: (at symbol colon) mean in a Makefile?

...happens won't emit echo this always happens this always happens Now, the action part of a rule can be any shell command, including :. Bash help explains this as well as anywhere: $ help : :: : Null command. No effect; the command does nothing. Exit Status: Always succe...
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Which mime type should I use for mp3

... Chrome 26 knows better and uses audio/mp3... Go figure. – Nux Apr 5 '13 at 11:31 22 ...
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Convert JSON String to Pretty Print JSON output using Jackson

...e updated the question, maybe you will get some more idea what's happening now. – arsenal Jan 26 '13 at 3:09 The probl...
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How exactly does work?

... While it's useful to know what the spec says, it turns out that some browsers like IE<9 implement defer badly. If you use defer, you can't rely on the script files being executed in order in some browsers. – Flimm ...
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Understanding keystore, certificates and alias

...the public key (the certificate) for that alias is embedded into the APK. Now to answer your question, you can only release an update to an application that was signed with the alias 'foo' by signing the update again with the same alias. Losing the keystore where your alias is stored would prevent ...
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Entity Framework code first unique column

...ength on your model: [StringLength(450)] Your model will look like this now in EF CF 6.1+: public class User { public int UserId{get;set;} [StringLength(450)] [Index(IsUnique=true)] public string UserName{get;set;} } Update: if you use Fluent: public class UserMap : EntityTypeC...
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What is mutex and semaphore in Java ? What is the main difference?

...hey also provide a separate 'recursive_mutex' for those that need that. I know we are talking Java here, but then many of us code across languages now. – Aditya Kumar Pandey Jan 3 '13 at 14:47 ...