py. cmake_minimum_required(VERSION 2.8.8 FATAL_ERROR) cmake_policy(VERSION 2.8.8) project(Skia) #//: 从这里开始 # Detect CPU type and whether we're building 64-bit or 32-bit code math(EXPR BITS "${CMAKE_SIZEOF_VOID
C 库函数 - sigemptyset() C 标准库 - <signal.h> sigpending 函数是 C 标准库中的一个函数,用于获取当前进程挂起(未决)的信号集。未决信号是在被阻塞后尚未处理的信号。此函数定义在 <signal.h> 头文件中。 语法 int sigemptyset(sigset_t *set); 参数
BOOL CSimpleDlg::OnInitDialog() { CDialog::OnInitDialog();//TODO:Add extra initialization herem_cMyEdit.SetWindowText(_T("My Name"));// Initialize control valuesm_cMyList.ShowWindow(SW_HIDE);// Show or hide a control, etc.returnTRUE;// return TRUE unless you set the focus to a ...
解释:在《Rationale for the C99 standard》一文中,有C99的相关信息: A backslash immediately before a newline has long been used to continue string literals, as well as preprocessing command lines. In the interest of easing machine generation of C, and of transporting code to machines with restrict...
cmake_minimum_required(VERSION 3.13) project(freertos_examples) set(IDF_PROJECT_EXECUTABLE my_app) set(IDF_EXECUTABLE_SRCS "src/main.c") # Tell IDF build to link against this target. set(IDF_PROJECT_EXECUTABLE my_app) # Add some extra components. IDF_EXTRA_COMPONENT_DIRS is a variable us...
#include <string> int main() { std::string line; // empty string while(std::getline(std::cin, line)) { // read line at time until end-of-file std::cout << line << std::endl; // write s to the output } return 0;
set_flags: 单独为指定源码集合设置编译标记 $(call set_flags,标记名称,源文件列表,标记值) 编译标志可以是C/C++编译标记(CFLAGS)或汇编标记(AFLAGS) 例如$(call set_flags,CFLAGS,main.c src/read.c src/write.c,-D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_LARGEFILE64_SOURCE) set_links: 设置...
第二(关于String & set) 一、string方法 字符串相加 name = 'chenkangle' print(name.__add__('love')) 字符串包含 name = 'chenkangle' print(name.__contains__('ka')) 字符串相等 name = 'chenkangle' print(name.__eq__('chenkangl'))...
CArchive::SetStoreParams 设置用于在序列化过程中标识唯一对象的映射的哈希表大小和块大小。 CArchive::Write 写入原始字节。 CArchive::WriteClass 将对CRuntimeClass 的引用写入 CArchive。 CArchive::WriteObject 调用对象的 Serialize 函数进行存储。 CArchive::WriteString 写入单行文本。公共...
*/ if (size < 0) { PyErr_SetString(PyExc_SystemError, "Negative size passed to PyUnicode_New"); return NULL; } if (size > ((PY_SSIZE_T_MAX - struct_size) / char_size - 1)) return PyErr_NoMemory(); /* 来自_PyObject_New()的重复分配代码,而不是对PyObject_New()的调用, 因此...