本文整理汇总了C++中Strings::back方法的典型用法代码示例。如果您正苦于以下问题：C++ Strings::back方法的具体用法？C++ Strings::back怎么用？C++ Strings::back使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Strings的用法示例。
在下文中一共展示了Strings::back方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: _startLocalServer
co::ConnectionPtr _startLocalServer()
{
Strings dirNames;
dirNames.push_back( "" );
dirNames.push_back( "./" );
// Add path of current .so so search paths for EqualizerServer
#ifndef _WIN32
Dl_info dl_info;
dladdr((void *)_startLocalServer, &dl_info);
char libPath[1024];
strncpy(libPath, dl_info.dli_fname, 1024);
char* k = strrchr(libPath, '/');
*(k + 1) = '\0';
dirNames.push_back( libPath );
#endif
#ifdef EQ_BUILD_DIR
#ifdef NDEBUG
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "libs/server/Release/" );
#else
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "libs/server/Debug/" );
#endif
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "libs/server/" );
#endif
#ifdef _MSC_VER
const std::string libName = "EqualizerServer.dll";
#elif defined (_WIN32)
const std::string libName = "libEqualizerServer.dll";
#elif defined (Darwin)
const std::string libName = "libEqualizerServer.dylib";
#else
const std::string libName = "libEqualizerServer.so";
#endif
while( !_libeqserver.isOpen() && !dirNames.empty( ))
{
_libeqserver.open( dirNames.back() + libName );
dirNames.pop_back();
}
if( !_libeqserver.isOpen( ))
{
EQWARN << "Can't open Equalizer server library" << std::endl;
return 0;
}
eqsStartLocalServer_t eqsStartLocalServer = (eqsStartLocalServer_t)
_libeqserver.getFunctionPointer( "eqsStartLocalServer" );
if( !eqsStartLocalServer )
{
EQWARN << "Can't find server entry function eqsStartLocalServer"
<< std::endl;
return 0;
}
return eqsStartLocalServer( Global::getConfigFile( ));
}示例2: _startLocalServer
co::ConnectionPtr _startLocalServer()
{
Strings dirNames;
dirNames.push_back( "" );
#ifdef EQ_BUILD_DIR
#ifdef NDEBUG
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "lib/Release/" );
#else
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "lib/Debug/" );
#endif
dirNames.push_back( std::string( EQ_BUILD_DIR ) + "lib/" );
#endif
#ifdef _MSC_VER
const std::string libName = "EqualizerServer.dll";
#elif defined (_WIN32)
const std::string libName = "libEqualizerServer.dll";
#elif defined (Darwin)
const std::string libName = "libEqualizerServer.dylib";
#else
const std::string libName = "libEqualizerServer.so";
#endif
while( !_libeqserver.isOpen() && !dirNames.empty( ))
{
_libeqserver.open( dirNames.back() + libName );
dirNames.pop_back();
}
if( !_libeqserver.isOpen( ))
{
LBWARN << "Can't open Equalizer server library" << std::endl;
return 0;
}
eqsStartLocalServer_t eqsStartLocalServer = (eqsStartLocalServer_t)
_libeqserver.getFunctionPointer( "eqsStartLocalServer" );
if( !eqsStartLocalServer )
{
LBWARN << "Can't find server entry function eqsStartLocalServer"
<< std::endl;
return 0;
}
return eqsStartLocalServer( Global::getConfigFile( ));
}示例3: main
int main(int argc, char ** argv)
{
using Strings = std::vector<std::string>;
using Hashes = std::vector<char>;
Strings strings;
size_t rows = 0;
size_t bytes = 0;
{
Stopwatch watch;
DB::ReadBufferFromFileDescriptor in(STDIN_FILENO);
while (!in.eof())
{
strings.push_back(std::string());
DB::readEscapedString(strings.back(), in);
DB::assertChar('\n', in);
bytes += strings.back().size() + 1;
}
watch.stop();
rows = strings.size();
std::cerr << std::fixed << std::setprecision(2)
<< "Read " << rows << " rows, " << bytes / 1000000.0 << " MB"
<< ", elapsed: " << watch.elapsedSeconds()
<< " (" << rows / watch.elapsedSeconds() << " rows/sec., " << bytes / 1000000.0 / watch.elapsedSeconds() << " MB/sec.)"
<< std::endl;
}
Hashes hashes(16 * rows);
{
Stopwatch watch;
for (size_t i = 0; i < rows; ++i)
{
*reinterpret_cast<UInt64*>(&hashes[i * 16]) = CityHash64(strings[i].data(), strings[i].size());
}
watch.stop();
UInt64 check = CityHash64(&hashes[0], hashes.size());
std::cerr << std::fixed << std::setprecision(2)
<< "CityHash64 (check = " << check << ")"
<< ", elapsed: " << watch.elapsedSeconds()
<< " (" << rows / watch.elapsedSeconds() << " rows/sec., " << bytes / 1000000.0 / watch.elapsedSeconds() << " MB/sec.)"
<< std::endl;
}
/* {
Stopwatch watch;
std::vector<char> seed(16);
for (size_t i = 0; i < rows; ++i)
{
sipHash(
reinterpret_cast<unsigned char *>(&hashes[i * 16]),
reinterpret_cast<const unsigned char *>(strings[i].data()),
strings[i].size(),
reinterpret_cast<const unsigned char *>(&seed[0]));
}
watch.stop();
UInt64 check = CityHash64(&hashes[0], hashes.size());
std::cerr << std::fixed << std::setprecision(2)
<< "SipHash (check = " << check << ")"
<< ", elapsed: " << watch.elapsedSeconds()
<< " (" << rows / watch.elapsedSeconds() << " rows/sec., " << bytes / 1000000.0 / watch.elapsedSeconds() << " MB/sec.)"
<< std::endl;
}*/
{
Stopwatch watch;
for (size_t i = 0; i < rows; ++i)
{
SipHash hash;
hash.update(strings[i].data(), strings[i].size());
hash.get128(&hashes[i * 16]);
}
watch.stop();
UInt64 check = CityHash64(&hashes[0], hashes.size());
std::cerr << std::fixed << std::setprecision(2)
<< "SipHash, stream (check = " << check << ")"
<< ", elapsed: " << watch.elapsedSeconds()
<< " (" << rows / watch.elapsedSeconds() << " rows/sec., " << bytes / 1000000.0 / watch.elapsedSeconds() << " MB/sec.)"
<< std::endl;
}
{
Stopwatch watch;
//.........这里部分代码省略.........