basic_string::resize_and_overwrite (C++23) basic_string::swap Search basic_string::find basic_string::rfind basic_string::find_first_of basic_string::find_first_not_of basic_string::find_last_of basic_string::find_last_not_of Operations basic_string::compare basic_string::starts_with (...
在sort和unique函数中就默认使用了less 和equal_to函数, 上面的一段代码,其实使用了string的以下功能: 存储功能,在getline() 函数中 查找功能,在find() 函数中 子串功能,在substr() 函数中 string operator < , 默认在sort() 函数中调用 string operator == , 默认在unique() 函数中调用 总之,有了string 后...
1== sizeof(char) <= sizeof(short) <= sizeof(int) <= sizeof(long) <= sizeof(longlong) 由于历史原因,整型的位宽有多种标准: 为解决这一问题,C99/C++11引入了定宽整数类型。 定宽整数类型 定宽整数类型本质上是普通整数类型的类型别名。 <cstdint>提供了若干定宽整数的类型和各定宽整数类型最大值...
5)如同用std::basic_string_view<CharT, Traits>sv=t;隐式转换t为 string_viewsv,然后寻找等于sv中字符之一的最后字符。此重载仅若std::is_convertible_v<constT&,std::basic_string_view<CharT, Traits>>为true且std::is_convertible_v<constT&,constCharT*>为false才参与重载决议。
*/ std_msgs::String msg; std::stringstream ss; ss << "hello world " << count; msg.data = ss.str(); ROS_INFO("%s", msg.data.c_str()); /** * The publish() function is how you send messages. The parameter * is the message object. The type of this object must agree with...
basic_string::resize_and_overwrite (C++23) basic_string::swap Search basic_string::find basic_string::rfind basic_string::find_first_of basic_string::find_first_not_of basic_string::find_last_of basic_string::find_last_not_of Operations basic_string::compare basic_string::starts_with (...
node["stdStr"]=string("koko");//添加字符串node["strOld"]="ok"; node["null"]=nullptr;//添加null类型node["bool"]=true;//添加bool类型node["Int"]=1000;//添加intnode["double"]=1.43;//添加doubleprintf("node:\n%s\n",node()); ...
string message ="hey there!"; producer.produce(MessageBuilder("my_topic").partition(0).payload(message)); producer.flush(); } Compiling In order to compilecppkafkayou need: librdkafka >= 0.9.4 CMake >= 3.9.2 A compiler with good C++11 support (e.g. gcc >= 4.8). This was tested...
vi ../samples/SamplesCommon/samples_common.h#modify connection string to include your storage account credentialsCXX=g++-5.1 cmake .. -DCMAKE_BUILD_TYPE=Release -DBUILD_SAMPLES=ON make To run the samples: cdBinaries ./azurestoragesample ...
find_last_of("/") + 1); std::string logPath = logName.substr(0, logName.find_last_of("/")); testFileNames.push_back(realName); for (auto name : testFileNames) { ZipFileInfo file; file.fileInfo.identity = name; file.fileInfo.packMethod = PKG_COMPRESS_METHOD_ZIP; ...