33 Answered Questions

[SOLVED] What is a NullReferenceException, and how do I fix it?

12 Answered Questions

[SOLVED] Why is my Spring @Autowired field null?

60 Answered Questions

[SOLVED] Avoiding != null statements

4 Answered Questions

[SOLVED] Select rows which are not present in other table

7 Answered Questions

[SOLVED] Method Overloading for null argument

11 Answered Questions

[SOLVED] NOT IN clause and NULL values

14 Answered Questions

[SOLVED] What is null in Java?

11 Answered Questions

[SOLVED] What is the difference between NULL, '\0' and 0

  • 2009-08-18 22:09:59
  • gnavi
  • 238876 View
  • 252 Score
  • 11 Answer
  • Tags:   c pointers null

10 Answered Questions

[SOLVED] Why does Oracle 9i treat an empty string as NULL?

29 Answered Questions

31 Answered Questions

[SOLVED] What is the difference between null and undefined in JavaScript?

2 Answered Questions

[SOLVED] PostgreSQL sort by datetime asc, null first?

39 Answered Questions

[SOLVED] How do you check for an empty string in JavaScript?

20 Answered Questions

11 Answered Questions

[SOLVED] Not equal <> != operator on NULL

  • 2011-04-14 04:15:31
  • Maxim Gershkovich
  • 305786 View
  • 226 Score
  • 11 Answer
  • Tags:   sql sql-server tsql null

2 Answered Questions

[SOLVED] Unity: Null while making new class instance

  • 2016-05-23 18:59:13
  • Alex
  • 4158 View
  • 5 Score
  • 2 Answer
  • Tags:   c# unity3d null

15 Answered Questions

[SOLVED] Why does NULL = NULL evaluate to false in SQL server

  • 2009-12-03 22:28:14
  • Byron Whitlock
  • 87926 View
  • 113 Score
  • 15 Answer
  • Tags:   sql sql-server null

20 Answered Questions

[SOLVED] Which @NotNull Java annotation should I use?

26 Answered Questions

24 Answered Questions

[SOLVED] How to determine if variable is 'undefined' or 'null'?

4 Answered Questions

[SOLVED] SQL is null and = null

  • 2012-03-06 10:24:56
  • Sachin Kainth
  • 91809 View
  • 96 Score
  • 4 Answer
  • Tags:   sql null

11 Answered Questions

[SOLVED] Unable to cast object of type 'System.DBNull' to type 'System.String`

13 Answered Questions

4 Answered Questions

[SOLVED] Python -- return, return None, and no return at all

  • 2013-03-08 18:12:15
  • Clay Wardell
  • 193569 View
  • 280 Score
  • 4 Answer
  • Tags:   python null return

4 Answered Questions

[SOLVED] NULL in MySQL (Performance & Storage)

  • 2008-10-23 10:02:48
  • Steve
  • 26078 View
  • 64 Score
  • 4 Answer
  • Tags:   sql mysql null

1 Answered Questions

[SOLVED] Angular2 - error if don't check if {{object.field}} exists

10 Answered Questions

[SOLVED] json_encode is returning NULL?

  • 2009-12-28 23:05:46
  • tarnfeld
  • 99966 View
  • 114 Score
  • 10 Answer
  • Tags:   php null json

2 Answered Questions

[SOLVED] Hiding nil values, understanding why golang fails here

36 Answered Questions

13 Answered Questions

[SOLVED] Difference between null and empty ("") Java String