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JPA: How to have one-to-many relation of the same Entity type
...accordingly. Updating only one side of a bidirectional relationship is an error under JPA. Always update both sides of the relationship. This is written unambiguously on page 42 of the JPA 2.0 spec:
Note that it is the application that bears responsibility for maintaining the consistency of r...
What is the logic behind the “using” keyword in C++?
...ve
using P = [](double)->void; // using plus suffix return type, syntax error
using P = auto(double)->void // Fixed thanks to DyP
Pre-C++11, the using keyword can bring member functions into scope. In C++11, you can now do this for constructors (another Bjarne Stroustrup example):
class Deriv...
ASP.NET MVC View Engine Comparison
...data model is essentially just string-concatenation, so syntax and nesting errors are neither statically nor dynamically detected, though VS.NET design-time help mitigates this somewhat. Maintainability and refactorability can suffer due to this.
No documented API, http://msdn.microsoft.com/en-us/l...
Code-first vs Model/Database-first [closed]
... etc.. attributes, it's quite awkward with EF modelling
No weird modelling errors - EF modelling often has weird errors, such as when you try to rename an association property, it needs to match the underlying meta-data - very inflexible.
Not awkward to merge - When using code version control tools ...
How to change fontFamily of TextView in Android
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@ScootrNova i get this error when i use your solution. Error : Font asset not found gothic.ttf
– Sagar Devanga
Dec 30 '14 at 8:24
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Pass arguments to Constructor in VBA
...is false, continue and at the end, set it to true. If it is true, raise an error or do nothing. If you call again the InitiateProperties method, it will be true and the state of the object won't be changed.
– bgusach
Aug 19 '14 at 12:16
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Strip HTML from strings in Python
...ook at this string (source and discussion):
<img<!-- --> src=x onerror=alert(1);//><!-- -->
The first time HTMLParser sees it, it can't tell that the <img...> is a tag. It looks broken, so HTMLParser doesn't get rid of it. It only takes out the <!-- comments -->, l...
RRSet of type CNAME with DNS name foo.com. is not permitted at apex in zone bar.com
...set up a CNAME record for bar.com pointing to foo.com , but I got the error message:
5 Answers
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“To Do” list before publishing Android app to market [closed]
...e to the user that something wrong happened. In the meantime, retrieve the error with Crashlytics or something similar.
Don't use too much .jar libraries, prefer library projects (optimize the code size) and add them using gradle.
Prefer using vector images since it will reduce APK size and fit corr...
performSelector may cause a leak because its selector is unknown
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The "Complex Example" gives an error Cannot initialize a variable of type 'CGRect (*)(__strong id, SEL, CGRect, UIView *__strong)' with an rvalue of type 'void *' when using latest Xcode. (5.1.1) Still, I learned a lot!
– Stan James
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