What does the [Flags] Enum Attribute mean in C#?
Aug 12, 2008 · 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 ...
What are the useful GCC flags for C? - Stack Overflow
Nov 6, 2022 · Put all the good flags in previous answers (which you all have specified) in a 'file', and use this above flag to use all the flags in that file together. for example: File : compilerFlags-Wall-std=c99-Wextra. Then compile: gcc yourSourceFile @compilerFlags
CFLAGS, CCFLAGS, CXXFLAGS - what exactly do these variables …
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
Sep 19, 2009 · @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).
What is the modern method for setting general compile flags in …
There are multiple mechanisms offered by CMake for getting flags to the compiler: CMAKE_<LANG>_FLAGS_<CONFIG> variables; add_compile_options command; set_target_properties command; Is there one method that is preferred over the other in modern use? If so why? Also, how can this method be used with multiple configuration systems such …
How do I parse command line arguments in Bash? - Stack Overflow
See also Giving a bash script the option to accepts flags, like a command? for an elaborate, ad hoc, long and short option parser. It does not attempt to handle option arguments attached to short options, nor long options with = separating option name from option value (in both cases, it simply assumes that the option value is in the next ...
World Flags Library (Decal IDs) - Community Resources - Roblox
Sep 17, 2020 · Hey everyone! As I was looking for world flag decals that someone could’ve uploaded beforehand, I realized that nobody previously created a list of these flags, hence why I made one today. World Flags Library Link: World Flags Library - Roblox Decal IDs all listed in a module script for easy script access Contains pre-inserted decals Has flags of all current …
How to check if any flags of a flag combination are set?
Aug 27, 2009 · In .NET 4 you can use the Enum.HasFlag method: . using System; [Flags] public enum Pet { None = 0, Dog = 1, Cat = 2, Bird = 4, Rabbit = 8, Other = 16 } public class Example { public static void Main() { // Define three families: one without pets, one with dog + cat and one with a dog only Pet[] petsInFamilies = { Pet.None, Pet.Dog | Pet.Cat, Pet.Dog }; int …
How to make functions with flag parameters? (C++)
Oct 19, 2009 · You can define an enum specifying "single bit" values (note that the enclosing struct is acting here only as a naming context, so that you can write e.g. MyFlags::EVEN):
how often does FLAGS register get updated in asm?
Nov 8, 2019 · The SF, ZF, and PF flags are set according to the result. If the count is 0, the flags are not affected. For a non-zero count, the AF flag is undefined. Leaving flags unmodified for count=0 is another crazy-CISC pothole for high-performance implementations to deal with.