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z-index not working with fixed positioning

...side a stacking context and you will see that elements are stacked in this order The stacking context’s root element (the <html> element in this case) Positioned elements (and their children) with negative z-index values (higher values are stacked in front of lower values; elements ...
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Randomize a List

What is the best way to randomize the order of a generic list in C#? I've got a finite set of 75 numbers in a list I would like to assign a random order to, in order to draw them for a lottery type application. ...
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Get records with max value for each group of grouped SQL results

...uper-simple way to do this in mysql: select * from (select * from mytable order by `Group`, age desc, Person) x group by `Group` This works because in mysql you're allowed to not aggregate non-group-by columns, in which case mysql just returns the first row. The solution is to first order the data...
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How to perform Callbacks in Objective-C

...Object:self]; to [object performSelector:selector withObject:self]; in order to get it to work correctly. – Banjer Oct 12 '10 at 1:48 add a comment  |  ...
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How do I change Bootstrap 3 column order on mobile layout?

... You cannot change the order of columns in smaller screens but you can do that in large screens. So change the order of your columns. <!--Main Content--> <div class="col-lg-9 col-lg-push-3"> </div> <!--Sidebar--> <div ...
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Date query with ISODate in mongodb doesn't seem to work

... In json strict mode, you'll have to keep the order: { "dt": { "$gte": { "$date": "2013-10-01T00:00:00.000Z" } } } Only thing which worked to define my search queries on mlab.com. ...
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Why should a Java class implement comparable?

... Comparable defines a natural ordering. What this means is that you're defining it when one object should be considered "less than" or "greater than". Suppose you have a bunch of integers and you want to sort them. That's pretty easy, just put them in a...
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Table name as variable

...OR SELECT object_name(id) FROM syscolumns WHERE name = 'LastUpdated' ORDER BY 1 OPEN tblcur WHILE 1 = 1 BEGIN FETCH tblcur INTO @tbl IF @@fetch_status <> 0 BREAK SELECT @sql = N' SELECT @cnt = COUNT(*) FROM dbo.' + quotename(@tbl) + N' WHERE LastUpdated BETWEEN @f...
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Array include any value from another array?

...on elements between the two arrays? What if the arrays were in a different order on each pass? What if feta appeared at the end of both arrays? As Marc-André stated, set intersection executes in linear time, so it makes sense that it is much more scalable for the general case, rather than the one s...
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In a javascript array, how do I get the last 5 elements, excluding the first element?

... Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity. ...