bit flags

Refer to the 25th section of 21-day learning and C + + to introduce the STL bit mark. is when you need a data representation that is not a whole number of bytes, such as a char int long, but instead uses the bits representation, you usually use the

The use of bit marks in conjunction with the Flags attribute enumerationEnum is often used in applications to mark some of the effects that we need to function like switches, and the default initialization value of Enum is assigned according to the

The usage of the enumeration type flag [Flags] feature and the method for adding enumeration types, flags Enumeration Suppose there is a code segment like this. You need to determine which weapons the role is equipped with, and then perform other

1. OverviewThis chapter contains enumeration types, bit flags, and methods for enumeration types.2. Main content　　2.1 Enum typesAn enumeration type defines a set of "symbol name/value" pairs.The benefits of enumeration types include: ① can make

To specify your own C and C + + compiler flags, for flags that does not affect optimization, use the CMAKE_C_FLAGS and CMAKE_CXX_FLAGS CMake options.When providing your own compiler the flags, you might want to specify as well CMAKE_BUILD_TYPE .For

Bit fields are mainly used in. net when there are multiple mixed states for a thing. A single enumeration is used when the thing only has a single attribute. To better implement the mixed state, we can add the flags label to the enumeration. The

Enumeration offers some very cool features that most developers are unfamiliar with. These new features greatly simplify the development of the application.15.1 enum TypesThe enumeration type (enumerated types) defines a set of "symbol name/value"

BackgroundDuring iOS development, sometimes a third-party static library (. A file) is used, and then the import finds errors that occur when the compilation is normal but runs selector not recognized , causing the app to flash back. Then read the

SOURCE Url:https://stackoverflow.com/questions/43437590/why-is-flags-necessary Usually FLAGS are used to pass command line arguments into your program. e.g. Import TensorFlow as tf fs = Tf.app.flags fs. Define_integer (' N_epochs ', +, ' number of

During the development of iOS, some of the static libraries (. A files) of the third party are sometimes used, and then the errors of selector not recognized are found when the compile is normal but run, causing the app to flash back. Then carefully