query: “Object reference not set to an instance of an object.” error
positive_passages.docid: 289
positive_passages.text: What is a NullReferenceException, and how do I fix it?
negative_passages.docid: 70532
negative_passages.text: NullReferenceException after POST
negative_passages.docid: 85964
negative_passages.text: Android: ClassNotFoundException when passing serializable object to Activity
negative_passages.docid: 54938
negative_passages.text: Cannot invoke method or retrieve property from null object. Object returned by the following call stack is null. \"File\r\n\"
negative_passages.docid: 8283
negative_passages.text: Why does null reference print as "null"
negative_passages.docid: 9073
negative_passages.text: Cannot make a static reference to the non-static method
negative_passages.docid: 92213
negative_passages.text: sObject ' ' type is not supported
negative_passages.docid: 49933
negative_passages.text: How can I get a reference to a method?
negative_passages.docid: 125400
negative_passages.text: copy object as a reference
negative_passages.docid: 27212
negative_passages.text: Variables might not have been initialized
negative_passages.docid: 144423
negative_passages.text: "No enclosing instance of type" error while calling method from another class in Android
negative_passages.docid: 89549
negative_passages.text: Can anyone explain this 'variable does not exist error'?
negative_passages.docid: 15836
negative_passages.text: Cannot refer to a non-final variable inside an inner class defined in a different method
negative_passages.docid: 40818
negative_passages.text: What is an IndexOutOfRangeException / ArgumentOutOfRangeException and how do I fix it?
negative_passages.docid: 35590
negative_passages.text: How to fix NullPointerException in Java?
negative_passages.docid: 138687
negative_passages.text: How to fix "System.QueryException: List has more than 1 row for assignment to SObject"
negative_passages.docid: 49
negative_passages.text: What is a NullPointerException, and how do I fix it?