enumcolour{red =3, blue, green, yellow =5} ;/* not compliant *//* green and yellow represent the same value – this is duplication */enumcolour{red =3, blue =4, green =5, yellow =5};/* compliant *//* green and yellow represent the same value – this is duplication */ 6.10 ...
sf::Clock clock;// Place your initialization logic hereSimpleAudioManager audio; audio.Load("explosion.wav");// Start the game loopwhile(window.isOpen()) {// Only run approx 60 times per secondfloatelapsed = clock.getElapsedTime().asSeconds();if(elapsed <1.0f/60.0f)continue; clock.restart...
How to fix "E2140 expression must have integral or unscoped enum type" How to fix Incremental Link Error? How to fix LNK1257 in building EXE file with 'release' mode? How to force MS Visual C++ to use gcc's __attribute__ keyword. How to forward variadic arguments ? How to generate ...
函数不能返回数组类型的值,但可以返回指向数组的指针。例如:c复制代码 int* createArray() { stat...
Compiler warning (level 4) C4770partially validated enum 'name' used as index Compiler warning C4771Bounds must be created using a simple pointer; MPX intrinsic function ignored Compiler warning (level 1, error) C4772#importreferenced a type from a missing type library; 'missing_type' used as...
}; // as above int main() { // since C++11, use std::underlying_type to determine the underlying type of an enum typedef std::underlying_type< settings::flags> ::type flags_t; auto val = settings::bit1; switch (static_cast< flags_t> (val)) { case settings::bit0: break; ...
operand treated as unsigned trigraph sequence replaced ISO C treats constant as unsigned: operator semantics of operator change in ISO C; use explicit cast B.2.154 -xtrigraphs -xtrigraphs 选项确定编译器是否识别 ISO C 标准定义的三字符序列。 缺省情况下,编译器假定 -xtrigraphs=yes 并识别...
/* Use -lasound argument to link/compile */ /* Needs alsa-lib-devel or libasound2-dev installed */ /* 操作步骤: 打开音频界面,选择回放或者捕捉采集; 设置硬件参数(诸如:访问接入方式、数据格式或结构、通道数、码率等); 当有数据要处理时:读取PCM数据(捕捉采集) 或写入PCM数据(回放), 然后关闭音频...
demo: cc -xprofile=use:/bench/myprof.profile \ -xO5 prog.c -o prog 可以设置环境变量 SUN_PROFDATA 和SUN_PROFDATA_DIR 控制使用 -xprofile=collect 编译的程序存储配置文件数据的位置。如果设置了这两个环境变量,-xprofile=collect 数据将写入 $SUN_PROFDATA_DIR/$SUN_PROFDATA。 这些环境变量同样控制由...
I think I found a bug in the Objective-C++ compiler, linker, or runtime. Here’s the scenario: We have a macOS app written in Swift. To control hardware from a 3rd party manufacturer, we use a couple SDKs provided by the manufacturer. The SDKs use dynamically loaded libraries and the...