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- Dictionarynul·li·fy/ˈnələˌfī/
verb
- 1. make legally null and void; invalidate: "it is at the discretion of the court to nullify the decision" Similar Opposite
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Foreign Key is nullable, navigation property is mapped as Optional, so I expect the cascade delete to work as described as MSDN - i.e. to nullify MasterID's of all children and then delete the Master object. But when I actually try to delete, I get the FK violation error:
Aug 2, 2013 · Firstly, you never set an object to null. That concept has no meaning. You can assign a value of null to a variable, but you need to distinguish between the concepts of "variable" and "object" very carefully.
May 27, 2017 · For future readers: if "min-height: none;" doesn't work for you, try to nullify min-height property with the value 0. – Jakub Siwiec Commented Sep 6, 2020 at 17:18
Feb 26, 2020 · The Nullify macro, with its helpers, causes ENABLE_x to be replaced by an empty sequence if ENABLE_x is defined to be 1 and by a non-empty sequence otherwise. Then, if an empty sequence has resulted, we have Comma () , which expands to a comma.
How do you deal with a DateTime that should be able to contain an uninitialized value (equivalent to null)? I have a class which might have a DateTime property value set or not. I was thinking of
Jun 13, 2010 · #ifndef NULL #define NULL 0 #endif As an aside, if you really want to set an object, not a pointer, to NULL , you can read about the Null Object Pattern . Share
Jul 20, 2010 · None, Python's null?. There's no null in Python; instead there's None.As stated already, the most accurate way to test that something has been given None as a value is to use the is identity operator, which tests that two variables refer to the same object.
Nov 13, 2015 · See also C #define macros for debug printing which largely applies to C++, though the suggestions can also be modified to make use of C++ features if desired. – Jonathan Leffler Commented Nov 13, 2015 at 4:41
Jul 13, 2016 · In such a case, you may want to use a struct instead of a class. Class is a reference type and therefore its default value is null, hence a variable containing an instance can be nulled (assigned null).
May 10, 2013 · When declaring variables at the top of the JavaScript function, is it best practice to set them equal to null, or leave as 'undefined'? Another way to ask, what circumstances call for each option b...
