Like... is it 0 like in C++? Or is it some \"special\" object? Or maybe something totally different? -- EDIT --
I have a linq to sql statement which returns a set of Customer details to a customer object var customers = from .....
Where is this function in Delphi 2010? function Null: Variant; begin _VarNull(TVarData(Result)); end; in 开发者_JAVA技巧Delphi 6 it was in Variants.In D2010 it\'s still in Variants, looking exactly
I am having difficulty setting an empty TextBox to null on an nullable DB Field. XAML <y:TextBox Text=\"{Binding Year1Cost, Mode=TwoWay,
I have the following line of code if (DBNull.Value.Equals(o) || o != null) where o is object o in row.ItemArrayI keep getting an error of -->
Every now and then I come across code like this: foo = Foo() ... if foo.bar is not None and foo.bar.baz == 42:
function submitcheck() { var f = document.for开发者_高级运维m1; if (f.rbTemplate!= null) { ... alert(\'Please choose template\');
I have two different queries in my php page for the same table, the first one is executed if I have two different values for two columns, but in some case, i can use only the first value, can I do it
I have some questions in C# what are the differences between null comparisons null == value and value == null (value is a variable of any 开发者_StackOverflowkind: int, string, float,...)
I have the following UITableView DataSource method: - (NSInteger)tableView:(UITableView *)tableView sectionForSectionIndexTitle:(NSString *)title atIndex:(NSInteger)index
加载中,请稍侯......