query: SQLiteDatabase on a null object reference
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positive_passages.text: What is a NullPointerException, and how do I fix it?
negative_passages.docid: 73034
negative_passages.text: StringBuilder append() and null values
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negative_passages.text: NullPointerException but compiling?
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negative_passages.text: SQL Data Reader - handling Null column values
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negative_passages.text: DateTime and DbNull.Value
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negative_passages.text: Android SQLite: Update Statement
negative_passages.docid: 59517
negative_passages.text: FATAL_ERROR|System.QueryException: List has no rows for assignment to SObject
negative_passages.docid: 29684
negative_passages.text: How to check if an object is nullable?
negative_passages.docid: 22735
negative_passages.text: SQLite in Android How to update a specific row
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negative_passages.text: NullReferenceException after POST
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negative_passages.text: What is null in Java?
negative_passages.docid: 66284
negative_passages.text: NullPointerException when Creating an Array of objects
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negative_passages.text: Why does String.valueOf(null) throw a NullPointerException?
negative_passages.docid: 289
negative_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 114816
negative_passages.text: Is null reference possible?
negative_passages.docid: 67597
negative_passages.text: Can constructor return a null object?