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Proper use cases for Android UserManager.isUserAGoat()?

I was looking at the new APIs introduced in Android 4.2 . While looking at the UserManager class I came across the following method: ...
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Database: To delete or not to delete records

I don't think I am the only person wondering about this. What do you usually practice about database behavior? Do you prefer to delete a record from the database physically? Or is it better to just flag the record with a "deleted" flag or a boolean column to denote the record is active or inactive? ...
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doGet and doPost in Servlets

I've developed an HTML page that sends information to a Servlet. In the Servlet, I am using the methods doGet() and doPost() : ...
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Appending an element to the end of a list in Scala

I can't add an element of type T into a list List[T] . I tried with myList ::= myElement but it seems it creates a strange object and accessing to myList.last always returns the first element that was put inside the list. How can I solve this problem? ...
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IsNothing versus Is Nothing

Does anyone here use VB.NET and have a strong preference for or against using IsNothing as opposed to Is Nothing (for example, If IsNothing(anObject) or If anObject Is Nothing... )? If so, why? ...
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What exactly can cause an “HIERARCHY_REQUEST_ERR: DOM Exception 3”-Error?

How exactly does it relate to jQuery? I know the library uses native javascript functions internally, but what exactly is it trying to do whenever such a problem appears? ...
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What .NET collection provides the fastest search

I have 60k items that need to be checked against a 20k lookup list. Is there a collection object (like List , HashTable ) that provides an exceptionly fast Contains() method? Or will I have to write my own? In otherwords, is the default Contains() method just scan each item or does it use a be...
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Most simple but complete CMake example

Somehow I am totally confused by how CMake works. Every time I think that I am getting closer to understand how CMake is meant to be written, it vanishes in the next example I read. All I want to know is, how should I structure my project, so that my CMake requires the least amount of maintainance i...
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How do you create a Swift Date object?

How do you create a date object from a date in swift xcode. 10 Answers 10 ...
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What does curly brackets in the `var { … } = …` statements do?

Not sure if this is a Mozilla-specific JS syntax, but I often found variables being declared this way, for example, in add-on SDK docs : ...