file flags

What is a trace flag? For DBAs, mastering trace flag is one of the prerequisites for becoming a SQL Server whiz, and in most cases, trace flag is just a pifo of a sword walk, not necessary, but in many cases, using these tags will give you better

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

What is a trace tag? For DBAs, mastering trace flag is one of the prerequisites for becoming a master of SQL Server, and in most cases, trace flag is just a sword-walking slant, not necessary, but in many cases, using these tags will allow you to

File descriptor flags (currently there is only one close-on-exec):It is only a flag that is used when the EXEC function is called in a child process when the process is fork a subprocess. The meaning is whether to close the file descriptor before

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

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

I. Description of the problemBefore a third-party static library. A, and then always prompt at run time2015-06-14 15:38:33.135 brtexample[5890:695264]- [Cbuuid toString]: Unrecognized selector sent to instance 0x1742281c02015-06-14 15:38:33.135

This article is the president of Neward & Associates Ted Neward for Developerworks exclusive contributor "You don't know 5 ..." In one of the series, the JVM is the heavy-duty machine Behind the Java features and performance that most developers

This article is the president of Neward & Associates Ted Neward for Developerworks exclusive contributor "You don't know 5 ..." In one of the series, the JVM is the heavy-duty machine Behind the Java features and performance that most developers

This function is used to compile a string of source code, the result can be generated bytecode or AST(like syntax tree), bytecode can be executed using function exec () , and AST can use eval () to continue compiling. The parameter source is the