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JsonMappingException: No suitable constructor found for type [simple type, class ]: can not instanti

... So, finally I realized what the problem is. It is not a Jackson configuration issue as I doubted. Actually the problem was in ApplesDO Class: public class ApplesDO { private String apple; public String getApple() { ...
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how to emulate “insert ignore” and “on duplicate key update” (sql merge) with postgresql?

...gsql-control-structures.html, example 40-2 right at the bottom. That's usually the easiest way. You can do some magic with rules, but it's likely going to be a lot messier. I'd recommend the wrap-in-function approach over that any day. This works for single row, or few row, values. If you're deali...
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How to check if an element is in an array

...ins function has been made into a pair of extension method on Array, which allow you to do either of: let a = [ 1, 2, 3, 4 ] a.contains(2) // => true, only usable if Element : Equatable a.contains { $0 < 1 } // => false ...
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How are the points in CSS specificity calculated

... Pekka's answer is practically correct, and probably the best way to think about the issue. However, as many have already pointed out, the W3C CSS recommendation states that "Concatenating the three numbers a-b-c (in a number system with a large base...
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What's the difference between Task.Start/Wait and Async/Await?

...ot. How would you like it if waiting for a Task that takes 10 ms would actually execute a 10 hour-long Task on your thread, thus blocking you for the whole 10 hours? – svick Apr 20 '13 at 11:10 ...
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Storing C++ template function definitions in a .CPP file

...post the relevant parts in the answer itself? Why is such referencing even allowed on SO. I have no clue what to look for in this link as it has been heavily changed since. – Ident Aug 16 '15 at 21:57 ...
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When are C++ macros beneficial? [closed]

...nned by the C++ community. In-lined functions, consts and templates are usually a safer and superior alternative to a #define . ...
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Like Operator in Entity Framework?

...attern in a specified expression, or zeros if the pattern is not found, on all valid text and character data types Namespace: System.Data.Objects.SqlClient Assembly: System.Data.Entity (in System.Data.Entity.dll) A bit of an explanation also appears in this forum thread. ...
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Multiple types were found that match the controller named 'Home'

... I'm not using areas at all. These are two completely unrelated applications residing in separate folder inside an FTP root folder. Maybe my application is looking for MVC controllers everywhere it can and that reach just so happens to extend to the...
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How to match any non white space character except a particular one?

...The above answer will only return the first match of a string. If you want all matches to be returned add the g modifier. /[^\s\\]/g – Ben Carp Dec 1 '19 at 12:13 ...