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Difference between “!==” and “==!” [closed]

... false because "a" is not equals to !" " !" " means cast to bool and negate that so " " is true and !" " is false. – Zaffy Sep 8 '12 at 13:07 ...
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SQL Server: converting UniqueIdentifier to string in a case statement

... Alternatively, cast(RequestID as varchar(50)) – MK_Dev Jun 9 '11 at 22:17 3 ...
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How to convert ‘false’ to 0 and ‘true’ to 1 in Python

... @AlbertChen: no, because numpy arrays broadcast comparisons and don't produce a boolean value. Instead, comparisons produce an array of boolean values. I'm not sure what you expect from an arrayvalue == 'true' comparison, the question I answered here is specific to a ...
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Call static method with reflection

... .Where(x => x.Namespace.ToUpper().Contains("MACRO")) .Select(t => (Action)Delegate.CreateDelegate( typeof(Action), null, t.GetMethod("Run", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public))) ...
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Best way to get identity of inserted row?

...rator error', GETDATE()); --Display the result set of the table variable. SELECT NewScrapReasonID, Name, ModifiedDate FROM @MyTableVar; --Display the result set of the table. SELECT ScrapReasonID, Name, ModifiedDate FROM Production.ScrapReason; GO ...
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How to create id with AUTO_INCREMENT on Oracle?

...LACE TRIGGER dept_bir BEFORE INSERT ON departments FOR EACH ROW BEGIN SELECT dept_seq.NEXTVAL INTO :new.id FROM dual; END; / UPDATE: IDENTITY column is now available on Oracle 12c: create table t1 ( c1 NUMBER GENERATED by default on null as IDENTITY, c2 VARCHAR2(10) ); ...
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Pointer arithmetic for void pointer in C

... cast it to a char pointer an increment your pointer forward x bytes ahead. share | improve this answer | ...
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How to detect unused methods and #import in Objective-C

...pecific compiler warnings that can warn you of some types of unused code. (Select the project in the source list and File > Get Info, then select the Build tab.) Here are a few (which show up for Clang and GCC 4.2 for me) which may be of interest: Unused Functions Unused Parameters Unused Value...
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How to get hosting Activity from a view?

... This is a pretty dangerous cast to make. There is a good chance (if you're using appcompat) that the context you've got is wrapped, casting something like a ContextThemeWrapper to Activity will throw a ClassCastException. You'd need a way to unwrap the...
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TypeScript: problems with type system

...2d") will return with the type CanvasRenderingContext2D. You don't need to cast it explicitly. – Markus Jarderot Jun 13 '16 at 5:55 add a comment  |  ...