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Java List.add() UnsupportedOperationException

...to other List implementations that are either immutable or only allow some selected changes. You can find out about this by reading the documentation of UnsupportedOperationException and List.add(), which documents this to be an "(optional operation)". The precise meaning of this phrase is explaine...
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Objective-C Split()?

...hat are AGES old and have established answers... Not to mention yours just selects the first element which makes no sense. – Christian Stewart Dec 22 '14 at 5:22 add a comment...
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How to get the IP address of the server on which my C# application is running on?

... address.AddressPreferredLifetime != UInt32.MaxValue select address.Address); } share | improve this answer | follow | ...
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How to check if the user can go back in browser history or not

... if the 'beforeunload' fired. var $window = $(window), $trigger = $('.select_your_link'), fallback = 'your_fallback_url'; hasHistory = false; $window.on('beforeunload', function(){ hasHistory = true; }); $trigger.on('click', function(){ window.history.go(-1); setTimeout(...
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How can I override Bootstrap CSS styles?

...yles in the future. That leaves us with CSS priorities. Basically, every selector has its own numerical 'weight': 100 points for IDs 10 points for classes and pseudo-classes 1 point for tag selectors and pseudo-elements Note: If the element has inline styling that automatically wins (1000 points...
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How do I add a class to a given element?

...').addClass('wait'); Removing the class Performance Using jQuery selectively is the best method for removing a class if your concerned with performance var a = document.body, c = ' classname'; $(a).removeClass(c); Without jQuery it's 32% slower var a = document.body, c = ' classnam...
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How to Implement Custom Table View Section Headers and Footers with Storyboard

...that tapping the section header causes the first cell in the section to be selected. As Paul Von points out, this is fixed by returning the cell's contentView instead of the whole cell. However, as Hons points out, a long press on said section header will crash the app. The solution is to remove...
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How can I mask a UIImageView?

..."UIImageViewWithMask" (custom class name above). On Attributes Inspector: Select mask image you want to use. Example Notes Your mask image should have a transparent background (PNG) for the non-black part. share ...
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NoSql vs Relational database

... Well, you can't do SELECT blob FROM images WHERE blob CONTAINS('red car'). So while you can store the data raw in the database, you can't search it without attaching metadata. Full-text-search modules in RDBMS systems bridges some of the semi-s...
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Does MS SQL Server's “between” include the range boundaries?

....000 3 2010-05-01 00:00:00.000 4 2010-07-31 00:00:00.000 Query: SELECT * FROM tbl WHERE Start BETWEEN '2010-04-01 00:00:00' AND '2010-05-01 00:00:00' Results: ID Start 1 2010-04-30 00:00:01.000 2 2010-04-02 00:00:00.000 ...