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Bookmark or Share- What does the [Flags] Enum Attribute mean in C#?A Flags is an attribute that allows us to represent an enum as a collection of values rather than a single value. So, let’s see how we can implement the Flags attribute on enumeration: [Flags] public enum UserType { Customer = 1, Driver = 2, Admin = 4, } We add the Flags attribute and number the values with powers of 2. Without both, this won ...
- How to read and write x86 flags registers directly?LAHF: loads status flags into AH ; Copies the low byte of the EFLAGS register including Sign, Zero, and Carry flags. Save a copy of the flags in a variable for safekeeping .data saveflags BYTE ? .code lahf ; load flags into AH mov saveflags,ah ; save them into a variable SAHF: stores AH into status flags
- CFLAGS, CCFLAGS, CXXFLAGS - what exactly do these variables control?INC_FLAGS := -Istuff -Imore_stuff -Ietc CCFLAGS_INTERNAL := $(INC_FLAGS) $(CCFLAGS) Is there a common practice? No, it doesn't seem so. Stuff I described above is one option, which looks good, but it's not standard. Is the human user supposed to set these variables at all?
- How to use enums as flags in C++? - Stack Overflow@MarcusJ: restricting your values to powers of 2 permits you to use your enums as bit-flags. Thus if you get a 3 you know it both HasClaws( = 1) and CanFly(= 2).
- c# - Using Bitwise operators on flags - Stack Overflow[Flags] public enum Time { None = 0, Current = 1, Past = 2, Future = 4, All = Current | Past | Future } Note that Vilx- removed the use of Hexadecimal for values. This is important because once you're past 0x8, your values will have to comply with Hex.
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