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Bootstrap dropdown sub menu missing

...th 3.0" - https://github.com/twbs/bootstrap/pull/6342 But, with a little extra CSS you can get the same functionality. Bootstrap 4 (navbar submenu on hover) .navbar-nav li:hover > ul.dropdown-menu { display: block; } .dropdown-submenu { position:relative; } .dropdown-submenu>.dropd...
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CSS center text (horizontally and vertically) inside a div block

...ontainer, but instead specify margin: auto on the flex item to take up all extra space in all four directions, and the evenly distributed margins will make the flex item centered in all directions. This works except when there are multiple flex items. Also, this technique works on MS Edge but not on...
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CSS hexadecimal RGBA?

... color in hex and need to create CSS from it at runtime. This requires the extra step of converting from hex to decimal if you want to add alpha to it, which is clunky. – Beejor May 5 '15 at 15:17 ...
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What's the difference between ng-model and ng-bind

... + 1. Thanks for the extra info. Its always good/great to have a quick answer (Tosh's) and then a detailed WHY & HOW answer like yours to learn/understand the more in reasoning/use cases. – redfox05 Nov ...
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How to exit a function in bash

...here are definitely solutions possible, but I just wanted to call out that extra care needs to be taken with set -e and returning non-zero values, as that caught me by surprise in the past. – Yevgeniy Brikman Jul 12 '19 at 21:19 ...
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What is the difference between ApplicationContext and WebApplicationContext in Spring MVC?

...ationContext is an extension of the plain ApplicationContext that has some extra features necessary for web applications. It differs from a normal ApplicationContext in that it is capable of resolving themes (see Using themes), and that it knows which Servlet it is associated with (by having a link ...
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How to use auto-layout to move other views when a view is hidden?

... It is possible, but you'll have to do a little extra work. There are a couple conceptual things to get out of the way first: Hidden views, even though they don't draw, still participate in Auto Layout and usually retain their frames, leaving other related views in their...
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Is there a way to iterate over a dictionary?

...Enumerator: NSEnumerator *enumerator = [myDict keyEnumerator]; id key; // extra parens to suppress warning about using = instead of == while((key = [enumerator nextObject])) NSLog(@"key=%@ value=%@", key, [myDict objectForKey:key]); ...
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Relational Database Design Patterns? [closed]

... It's not a pattern it's a refactoring. Like extract method, or rename parameter. Refactoring and patterns go hand in hand. – Michael Brown Jul 30 '11 at 11:29 ...
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How can I select item with class within a DIV?

...ll it will probably search in the same fashion and in your case perform an extra check. Possible that native implementations do the same. – davin Aug 3 '11 at 22:00 ...