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Android preferences onclick event

... deprecated. However the documentation says "[T]his functionality should now be found in the new PreferenceFragment class. If you are using PreferenceActivity in its old mode, the documentation there applies to the deprecated APIs here.", and PreferenceFragment.findPreference is not deprecated (as...
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ExecJS::RuntimeError on Windows trying to follow rubytutorial

...henson/execjs#execjs ) 3) Actually fixing the issue / Learning - Use the knowledge of options 1 and 2 to search for other solutions. I can't tell you how many webpages I closed upon seeing options 1 or 2 was the accepted solution before actually finding information about the root issue we were hav...
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In PHP, what is a closure and why does it use the “use” identifier?

... So it's ONLY used for closures? Thanks for you explanation, I did not know the difference between anonymous function and a closure – SeanDowney Jun 30 '09 at 19:01 140 ...
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How to write a simple database engine [closed]

...ed in learning how a database engine works (i.e. the internals of it). I know most of the basic data structures taught in CS (trees, hash tables, lists, etc.) as well as a pretty good understanding of compiler theory (and have implemented a very simple interpreter) but I don't understand how to go ...
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What can I do to resolve a “Row not found or changed” Exception in LINQ to SQL on a SQL Server Compa

...pping, LINQ will load it successfully and set the column-String to null. Now you change something and call SubmitChanges(). LINQ will generate a SQL query containing "WHERE [title] IS NULL", to make sure the title has not been changed by someone else. LINQ looks up the properties of [title] in the...
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Calling virtual functions inside constructors

...d – and no calls are made to overriding functions to avoid touching the (now destroyed) derived class part of the object. EDIT Corrected Most to All (thanks litb) share | improve this answer ...
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Is storing a delimited list in a database column really that bad?

...ne type of query at the expense of other uses of the data, so be sure you know which of your queries need to be treated so specially that they deserve denormalization. * MySQL 8.0 no longer supports this word-boundary expression syntax. ...
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Entity Framework rollback and remove bad migration

...se, but I realised that the last migration was bad and I don't want it. I know that I can rollback to a previous migration, but when I add a new (fixed) migration and run Update-Database, even the bad migration is applied. ...
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How to keep the console window open in Visual C++?

I'm starting out in Visual C++ and I'd like to know how to keep the console window. 22 Answers ...
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How to truncate string using SQL server

... This SO question is now the easiest way to find the answer to how to truncate a string in tsql. If this person hadn't asked it, then I'd be trawling through some MSDN article and hating my life right now... – DMac the Dest...