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CSS I want a div to be on top of everything

...e level of the common parent the first descendants have a defined z-index. All other descendants can never be in the foreground if at the base there is a lower definite z-index. In this snippet example, div1-2-1 has a z-index of 1000 but is nevertheless under the div1-1-1 which has a z-index of 3. T...
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Difference Between ViewData and TempData?

I know what ViewData is and use it all the time, but in ASP.NET Preview 5 they introduced something new called TempData. 6...
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The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type

... Use string instead of string? in all places in your code. The Nullable<T> type requires that T is a non-nullable value type, for example int or DateTime. Reference types like string can already be null. There would be no point in allowing things like ...
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How to calculate time in hours between two dates in iOS

...ate: (NSDate *) dateT { NSMutableString *timeLeft = [[NSMutableString alloc]init]; NSDate *today10am =[NSDate date]; NSInteger seconds = [today10am timeIntervalSinceDate:dateT]; NSInteger days = (int) (floor(seconds / (3600 * 24))); if(days) seconds -= days * 3600 * 24; ...
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What is the purpose of Verifiable() in Moq?

...e of .Verifiable is to enlist a Setup into a set of "deferred Verify(...) calls" which can then be triggered via mock.Verify(). The OP's clarification makes it clear that this was the goal and the only problem was figuring out why it wasn't working, but as @Liam prodded, the answer should really to...
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How to commit changes to a new branch

... git commit -m <message> First, checkout your new branch. Then add all the files you want to commit to staging. Lastly, commit all the files you just added. You might want to do a git push origin your-new-branch afterward so your changes show up on the remote. ...
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nginx missing sites-available directory

I installed Nginx on Centos 6 and I am trying to set up virtual hosts. The problem I am having is that I can't seem to find the /etc/nginx/sites-available directory. ...
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Oracle “(+)” Operator

..."adding NULL values if no match found". For example, "a.id=b.id(+)" means allow b.id to be NULL if there is no match with a.id. – beach Oct 26 '10 at 5:00 ...
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SQL SELECT WHERE field contains words

...%' OR column1 LIKE '%word2%' OR column1 LIKE '%word3%' If you need all words to be present, use this: SELECT * FROM mytable WHERE column1 LIKE '%word1%' AND column1 LIKE '%word2%' AND column1 LIKE '%word3%' If you want something faster, you need to look into full text search, and this...
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How to implement a binary tree?

...ice implementation. I'm just here to point out some style stuff. python usually does node is not None instead of your (node!=None). Also, you can use the __str__ function instead of the printTree method. – Jeff Mandell Oct 18 '15 at 2:30 ...