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Failed to enable constraints. One or more rows contain values violating non-null, unique, or foreign
I make an outer join and executed successfully in the informix database but I get the following exception in my code:
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Install shows error in console: INSTALL FAILED CONFLICTING PROVIDER
I am experimenting with the NotesList sample program in the Android SDK. I've made a slight variation in the program, but when I install my edited version I keep getting the message INSTALL_FAILED_CONFLICTING_PROVIDER in the console when I try to install it when the original notes program is already...
Difference between volatile and synchronized in Java
I am wondering at the difference between declaring a variable as volatile and always accessing the variable in a synchronized(this) block in Java?
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LINQ - Full Outer Join
... a first name and some don't have a surname; I'd like to do a full outer join on the two lists.
16 Answers
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How do I iterate through each element in an n-dimensional matrix in MATLAB?
I have a problem. I need to iterate through every element in an n-dimensional matrix in MATLAB. The problem is, I don't know how to do this for an arbitrary number of dimensions. I know I can say
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How does a Java HashMap handle different objects with the same hash code?
As per my understanding I think:
14 Answers
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How to measure code coverage in Golang?
Has anyone succeeded in generating code coverage for Go unit tests? I can't find a tool for that on the web.
11 Answers
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Why can't static methods be abstract in Java?
The question is in Java why can't I define an abstract static method? for example
25 Answers
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How to define optional methods in Swift protocol?
Is it possible in Swift? If not then is there a workaround to do it?
19 Answers
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Optimizing away a “while(1);” in C++0x
...is was necessary to allow?
Yes, Hans Boehm provides a rationale for this in N1528: Why undefined behavior for infinite loops?, although this is WG14 document the rationale applies to C++ as well and the document refers to both WG14 and WG21:
As N1509 correctly points out, the current draft ess...