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#1pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf
std::basic_streambuf<CharT,Traits>::pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf · 1) Calls setbuf(s, n) of the most derived class · 2) ...
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#2std::streambuf::pubsetbuf - C++ Reference - Cplusplus.com
std::streambuf::pubsetbuf ; Parameters. s, n: Arguments that may be used by overriding functions in derived classes. streamsize is a signed integral type.
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#3C++ How to actually use pubsetbuf in ofstream? - Stack Overflow
int sz {65536}; char buf[sz]; std::ofstream outf {"file.txt"}; outf.rdbuf()->pubsetbuf(&buf[0], sz);. So far, ...
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#4c++ - 设置标准流使用的内部缓冲区(pubsetbuf) - IT工具网
#include <sstream> void FillBuffer(char* buffer, unsigned int size) { std::stringstream message; message.rdbuf()->pubsetbuf(buffer, size); message ...
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#5basic_filebuf 類別
若要在緩衝區中儲存Unicode 字串，請建立型別的新緩衝區， wchar_t 並使用方法來設定它 basic_streambuf::pubsetbuf () 。 若要查看示範此行為的 ...
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#6关于c ++：设置标准流使用的内部缓冲区(pubsetbuf) | 码农家园
Setting the internal buffer used by a standard stream (pubsetbuf)我正在编写一个需要将数据写入现有缓冲区的子例程，并且我想使用stringstream类 ...
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#7C++ streambuf - pubsetbuf - Tutorialspoint
C++ streambuf - pubsetbuf, It is used to set buffer array and calls the protected virtual member setbuf with the same arguments s and n.
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#8pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf - TIOJ
std::basic_streambuf<CharT,Traits>::pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf · 1) Calls setbuf(s, n) of the most derived class · 2) The base class ...
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#9pubsetbuf_C ++标准库|WIKI教程
pubsetbuf ; 声明(Declaration). 以下是std :: basic_streambuf :: pubsetbuf的声明。 · 参数(Parameters) ; 返回值(Return Value). 它总是返回这个。 异常(Exceptions) ; 数据 ...
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#10basic_streambuf::pubsetbuf - 游戏蛮牛- C++中文翻译用户手册
调用setbuf，派生类中重写的受保护的虚函数。 语法. 复制. basic_streambuf<Elem, Tr> *pubsetbuf( char_type *_Buffer, streamsize _Count );. 参数. _Buffer.
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#11Std::basic_streambuf::pubsetbuf - C++ - W3cubDocs
basic_streambuf<CharT, Traits>* pubsetbuf( char_type* s, std::streamsize n ), (1). protected: virtual basic_streambuf<CharT, Traits>* setbuf( char_type* s, ...
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#12std::basic_streambuf::pubsetbuf, std::basic_streambuf::setbuf
std::basic_streambuf::pubsetbuf, std::basic_streambuf::setbuf · 1) Calls setbuf(s, n) of the most derived class · 2) The base class version of this function has ...
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#13std::basic_streambuf< _CharT, _Traits > Class Template ...
pubsetbuf. pubsync. sbumpc. seekoff. seekpos. setbuf. setg. setp. sgetc. sgetn. showmanyc. snextc. sputbackc. sputc. sputn. sungetc. sync. uflow. underflow.
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#14stringstream->rdbuf()->pubsetbuf is not setting the buffer
I am trying to modify a stringbuffer of a stringstream object without having to copy a string, using the method pubsetbuf, but it is not working.
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#15basic_streambuf::pubsetbuf - IBM
basic_streambuf::pubsetbuf. basic_streambuf *pubsetbuf(char_type *s, streamsize n);. The member function returns stbuf(s, n) .
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#16libcxx/pubsetbuf.pass.cpp at master · llvm-mirror/libcxx · GitHub
Project moved to: https://github.com/llvm/llvm-project - libcxx/pubsetbuf.pass.cpp at master · llvm-mirror/libcxx.
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#17pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf - C++中文
std::basic_streambuf<CharT,Traits>::pubsetbuf, std::basic_streambuf<CharT,Traits>::setbuf ; 1) 调用最终派生类上的 setbuf(s, n) ; 2) 此函数的基类版本无效果。
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#18Setting the internal buffer used by a standard stream (pubsetbuf)
This is when I discovered the streambuf::pubsetbuf() method and simply rewrote the above code as follows. #include <sstream> void FillBuffer(char* buffer, ...
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#19std::basic_streambuf::pubsetbuf CPP官方教程 _w3cschool
std::basic_streambuf::pubsetbuf, std::basic_streambuf::setbuf. basic_streambuf<CharT, Traits>* pubsetbuf( char_type* s, std::streamsize n )
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#20pubsetbuf，std :: basic_streambuf <CharT，Traits> :: setbuf
返回值Example 提供一个10k的缓冲区供读取。在linux上,可以使用strace工具来观察实际读取的字节数。 另见©cppreference.com根据知识共享署名-相同方式共享许可 ...
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#21<streambuf>
basic_streambuf *pubsetbuf(char_type *buffer, streamsize count);. The member function returns setbuf(buffer, count) . basic_streambuf::pubsync. int pubsync();.
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#22设置标准流使用的内部缓冲区（pubsetbuf） - IMOOC
我看了一下它的实现，pubsetbuf结果发现它实际上“什么都不做”。 virtual _Myt *__CLR_OR_THIS_CALL setbuf(_Elem *, streamsize) { // offer buffer to external agent ...
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#23streambuf::pubsetbuf - C++ Reference
streambuf* pubsetbuf ( char* s, streamsize n );. Set buffer array. Calls the protected virtual member setbuf, which is intended to set the array pointed by ...
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#24Setting the internal buffer used by a ... - ExampleFiles.net
Setting the internal buffer used by a standard stream (pubsetbuf). I'm writing a subroutine that needs to write data to an existing buffer, and I would like ...
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#25設定標準流(pubsetbuf)使用的內部緩衝區- C++ _程式人生
【C++】設定標準流(pubsetbuf)使用的內部緩衝區. 2020-10-23 C++. 我正在編寫一個需要將資料寫入現有緩衝區的子例程，並且我想使用 stringstream 類來促進資料的格式化 ...
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#26Std::basic_streambuf::pubsetbuf | C++ - CPPSECRETS
std::basic_streambuf::pubsetbuf ... DESCRIPTION: It is a public virtual member function of basic_streambuf template which belongs to <streambuf> ...
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#27Visual Studio std::stringstream pubsetbuf does not work - py4u
pubsetbuf member of std::stringbuf is not working at all in Visual Studio 2010! The code: char *FileData = ... ; unsigned long long FileDataLen = ...
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#28开发者手册 - 腾讯云
C++输入/输出| Input/outputstd::basic_streambuf::pubsetbuf. 性病：基本[医]Streambuf：：pubsetbuf，std：：basic[医]流f：：setbuf ...
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#29trunk/test/input.output/stream.buffers/streambuf/streambuf.members ...
pubsetbuf.pass.cpp. blob: 8cf62771e49906da7361eb6c13e330e30f7dab58 [file] ... basic_streambuf* pubsetbuf(char_type* s, streamsize n);. #include <streambuf>.
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#30pubsetbuf, filebuf and when to flush - C / C++ - Bytes ...
2) create and give it to the filebuf via pubsetbuf 3) figure out how many entries would fill my buffer then in the process of the calculation
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#31c++ - stringstream->rdbuf()->pubsetbuf is not setting the buffer
Not should set contents. pubsetbuf calls virtual setbuf basic_streambuf<charT,traits>* setbuf(charT* s, streamsize n);. 15 Effects: implementation-defined, ...
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#32c++ - stringstream->rdbuf()->pubsetbuf is not setting the buffer
Not should set contents. pubsetbuf calls virtual setbuf basic_streambuf<charT,traits>* setbuf(charT* s, streamsize n);.
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#33pubsetbuf,std::basic_streambuf<CharT,Traits>::setbuf ... - SysTutorials
Synopsis. basic_streambuf<CharT, Traits>* pubsetbuf( char_type* s, std::streamsize n ) (1) · Parameters. s - pointer to the first CharT in the user-provided ...
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#34C++ streambuf - pubsetbuf - I Find Bug
C++ streambuf - pubsetbuf, The C Standard Library,The C++ Standard Library, I Find Bug, iFindBug.Com.
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#35stringstream->rdbuf()->pubsetbuf 未设置缓冲区 - 一个缓存 ...
我正在尝试使用pubsetbuf 方法修改stringstream 对象的stringbuffer，而不必复制字符串，但它不起作用。
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#36stringstream-> rdbuf() - > pubsetbuf没有设置缓冲区| 经验摘录
如何解决《stringstream-> rdbuf() - > pubsetbuf没有设置缓冲区》 经验，为你挑选了1个好方法。
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#37设置标准流（pubsetbuf）使用的内部缓冲区 - 文江博客
#include <sstream> void FillBuffer(char* buffer, unsigned int size) { std::stringstream message; message.rdbuf()->pubsetbuf(buffer, ...
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#38pubsetbuf, std::basic_streambuf::setbuf - cppreference.com - Hellenico
std::basic_streambuf::pubsetbuf, std::basic_streambuf::setbuf ... 2) The base class version of this function has no effect. The derived classes may override this ...
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#39c++ - stringstream-> rdbuf()-> pubsetbuf未设置缓冲区 - 摸鱼
我正在尝试使用pubsetbuf方法修改stringstream对象的stringbuffer，而不必复制字符串，但是它不起作用。
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#40C++ как на самом деле использовать pubsetbuf в ofstream?
int sz {65536}; char buf[sz]; std::ofstream outf {"file.txt"}; outf.rdbuf()->pubsetbuf(&buf[0], sz);.
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#41pubsetbuf() using a bidirectional fstream is applied only to writes
stream.rdbuf()->pubsetbuf(file_buffer->data(), file_buffer->size());. 19. stream.open(R"(C:testtest_file.bin)", ios::in | ios::out ...
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#42如何增加流的缓冲区大小 - 955Yes
我想增加C++程序的缓冲区大小，这样它就不会写得太频繁。默认缓冲区是8192字节，我尝试使用pubsetbuf将其增加到200K。 原始代码
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#43Stringstream-> rdbuf() → pubsetbuf не устанавливает ...
Я пытаюсь изменить stringbuffer объекта stringstream без необходимости копировать строку, используя метод pubsetbuf, но он не работает.
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#44stringbuf::setbuf - C++ Reference
Virtual function called by the public member function pubsetbuf to influence the object in a way that is dependent on the library implementation.
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#45标准输入流(pubsetbuf) 使用的内部缓冲区(Internal buffer used ...
问题我正在尝试设置输入流的内部缓冲区，但是我在C++17 中的实现没有为istringstream 实现pubsetbuf()。 我尝试了一些其他技术，但它们很慢或复制原始 ...
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#46C++ ofstream::rdbuf方法代碼示例- 純淨天空
int main() { char buffer[64]; //logStream.rdbuf()->pubsetbuf(buffer, sizeof(buffer)); logStream.rdbuf()->pubsetbuf(nullptr, 0); logStream.open("log.txt"); ...
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#47basic_streambuf - HKBU-Math
basic_streambuf<char_type,traits>* pubsetbuf(char_type* s,streamsize n);. Calls the protected function setbuf(s,n) . int pubsync();.
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#48c++ - std::streambuf::pubsetbuf()方法中的'pub'字符是什么意思？
c++ - std::streambuf::pubsetbuf()方法中的'pub'字符是什么意思？ - 程序调试信息网. 我知道此方法用于为 std::streambuf 设置缓冲区，我只是不了解 pub 中 ...
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#49pubsetbuf_子痕_新浪博客
stream.rdbuf()->pubsetbuf(replace, 16); // Should set contents here. std::cout << stream.str() << std::endl; //. return 0;. }.
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#50bdlsb::FixedMemInput Class Reference
FixedMemInput *, pubsetbuf (const char *buffer, bsl::streamsize length). pos_type · pubseekoff (off_type offset, bsl::ios_base::seekdir way, ...
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#51如何让IOStream表现更好？ - c++ - 中文— it-swarm.cn
我认为如果我们能够编译一个“技巧”存储库以提高IOStream的性能，哪些有效，哪些无效，我会觉得很棒。 要考虑的要点. 缓冲（ rdbuf()->pubsetbuf(buffer ...
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#52rdbuf () -> pubsetbuf () с использованием двунаправленного ...
Я пытаюсь реализовать быструю обработку больших файлов с помощью Visual Studio 2019. Данные должны быть прочитаны, обработаны и затем записаны в конец того ...
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#53iostream.cpp - The Apache Software Foundation!
... &clog); const char fmt[] = "exception during std::%s cleanup\n"; int caught = 0; _TRY { _OBJECT (ostream, cout).rdbuf ()->pubsetbuf (0, 0); } _CATCH (.
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#54pubsetbuf, filebuf and when to flush | C++ | Coding Forums
2) create and give it to the filebuf via pubsetbuf 3) figure out how many entries would fill my buffer then in the process of the calculation
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#55basic_streambuf
basic_streambuf<char_type,traits>* pubsetbuf(char_type* s,streamsize n);. Calls the protected function setbuf(s,n) . int pubsync();.
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#56Visual Studio std :: stringstream pubsetbuf不起作用 - 码农俱乐部
std：：stringbuf的pubsetbuf成员在visual studio 2010中根本不工作！代码：char *FileData = ... ; unsigned long long FileDataLen = ...
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#57Input fails after call to basic_filebuf<>::pubsetbuf(0, 0)
The call pubsetbuf(0, 0) is described in: Bjarne Stroustrup, The C++ Programing Language, 3rd edition, Section 21.6.4, page 647: "By default, setbuf(0, ...
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#58並發追加到文件:寫入丟失- docs01
... fstream::app | fstream::binary); if (!stream_cache) { file_handle.rdbuf()->pubsetbuf(nullptr, 0); // no bufferring in fstream } vector<char> data(offset ...
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#59VC streambuf::pubsetbuf has bug-CSDN社区
VC streambuf::pubsetbuf has bug. deping_chen 同济大学 2016-08-14 05:51:45. #include <iostream> #include <sstream> using namespace std; int main()
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#60stringstream str() vs rdbuf()->pubsetbuf() - C Board
std::vector<char> vbuffer(filesize); fHandle.read(&vbuffer[0],filesize); stringstream ssbuffer; ssbuffer.rdbuf()->pubsetbuf(&vbuffer[0] ...
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#61streambuf Input and Output - bw_0927 - 博客园
set character buffer (pubsetbuf) #include <fstream> // std::fstream int main () { char mybuffer [512]; std::fstream filestr; ...
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#62Setting the internal buffer used by a standard stream ...
This is when I discovered the streambuf::pubsetbuf() method and simply rewrote the above code as follows. #include <sstream> void FillBuffer( ...
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#63c++ - 帶cout的無緩衝輸出- IT閱讀
您如何從cout獲取無緩衝的輸出，以便它無需重新整理即可立即寫入控制檯(類似於cerr)？ 我認為可以通過rdbuf()-> pubsetbuf來完成，但這似乎不起作用。
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#64stringstream-> rdbuf () -> pubsetbuf non sta impostando il buffer
Sto cercando di modificare un buffer di stringa di un object stringstream senza dover copiare una stringa, utilizzando il metodo pubsetbuf, ma non funziona.
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#65streambuf - Apple Open Source
... 27.6.2.2.2 buffer and positioning: basic_streambuf* pubsetbuf(char_type* s, streamsize n); pos_type pubseekoff(off_type off, ios_base::seekdir way, ...
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#66Réglage de la mémoire tampon interne utilisé par un flux ...
Réglage de la mémoire tampon interne utilisé par un flux standard (pubsetbuf) · 19. Après un peu plus de recherche sur ce problème, et à l'examen de mon code, je ...
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#67Setting the internal buffer used by a standard stream (pubsetbuf)
#include <sstream> void FillBuffer(char* buffer, unsigned int size) { std::stringstream message; message.rdbuf()->pubsetbuf(buffer, ...
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#68c 中怎麼清除輸出緩衝區
p[n-1]來儲存緩衝的字元，pubsetbuf(0,0)表示不緩衝。也有可能系統本身就不許沒有緩衝。 std::cout.flush();把字元緩衝區清空，送到它該去的地方。
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#69streams::streambuf support something similiar to std
Does concurrency::streams::streambuf support something similiar to std::streambuf::pubsetbuf? #1029. I would like to set the internal char buffer for the ...
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#70[C++] File IO : <ifstream> 과 pubsetbuf() - 엄범
[C++] File IO : <ifstream> 과 pubsetbuf() ... exit(EXIT_FAILURE); } filebuf* pbuf = ifs.rdbuf(); // pbuf->pubsetbuf(buf, BUF_SIZE); 이렇게 ...
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#71C ++如何在ofstream中實際使用pubsetbuf？ - 堆棧內存溢出
int sz {65536}; char buf[sz]; std::ofstream outf {"file.txt"}; outf.rdbuf()->pubsetbuf(&buf[0], sz);. 到目前 ...
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#72std::basic_filebuf::setbuf - cppreference.com
This function is protected virtual, it may only be called through pubsetbuf() or from member functions of a user-defined class derived from ...
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#73Index - Native SDK for PlayBook - BlackBerry Developer
... basic_streambuf::pubimbue · basic_streambuf::pubseekoff · basic_streambuf::pubseekpos · basic_streambuf::pubsetbuf · basic_streambuf::pubsync ...
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#74양방향 fstream을 사용하는 rdbuf ()-> pubsetbuf ()는 쓰기에만 ...
stream.rdbuf()->pubsetbuf(file_buffer->data(), file_buffer->size()); ...
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#75Thread: Buffered File IO - CodeGuru Forums
I think, in order to increase the I/O buffer and improve the performance, you can try pubsetbuf: Code: std::ifstream ifs("c:\\MyFile.txt"); ...
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#76Установка внутреннего буфера, используемого ... - overcoder
#include <sstream> void FillBuffer(char* buffer, unsigned int size) { std::stringstream message; message.rdbuf()->pubsetbuf(buffer, size); message ...
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#77cout.rdbuf() and printf() - C++ Forum - Cplusplus.com
... does cout's member functions rdbuf() and pubsetbuf() affect printf()? ... buffer= new char [1024]; std::cout.rdbuf()->pubsetbuf(buffer, ...
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#78Increasing fstream buffer for copy speedup?
#define BUFFER_SIZE 1024*1024 char MyBuff1[BUFFER_SIZE], MyBuff2[BUFFER_SIZE]; File1.rdbuf()->pubsetbuf(MyBuff1,BUFFER_SIZE); ...
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#79Using a character array as a string stream buffer
1 Answer1. You can try with std::stringbuf::pubsetbuf. It calls setbuf, but it's implementation defined whether that will have any effect. If it does, it'll ...
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#80Different instances of my class uses the same buffer????
I have this class , I show you the constructor: W_stream::W_stream{ char mybuffer ; the_stream = new stringstream ; the_stream->rdbuf()->pubsetbuf(mybuffer ...
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#81ofstream::operator<<(streambuf) is a slow way to copy a file
Have you tried using pubsetbuf (see below) to set a buffer for your in/out streams. A quick test on my system, if I set LEN to 0 (and therefore unbuffered), ...
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#82pubsetbuf, comment ça marche? - Developpez.net
std::ifstream Game::GetBinaries(std::string &name) { std::ifstream file; file.rdbuf()->pubsetbuf(game_binaries.GetFile(name), game_binaries.
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#83c++:使用双向fstream的rdbuf（）-> pubsetbuf（）仅適用 ... - Codebug
c++:使用双向fstream的rdbuf（）-> pubsetbuf（）仅適用於寫入. 我正在尝試使用Visual Studio 2019實現大型檔案的快速處理。 應先讀取，處理資料，然後將其寫入同一 ...
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#84Centos ssd cache
My process appears to be CPU-bound; switching to mmap or changing the buffer size via pubsetbuf have no noticable effect.
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#85Centos ssd cache
... appears to be CPU-bound; switching to mmap or changing the buffer size via pubsetbuf have no noticable effect on recorded throughput.
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#86Centos ssd cache - purchase price online Metapsikoloji - 4 ...
My process appears to be CPU-bound; switching to mmap or changing the buffer size via pubsetbuf have no noticable effect on recorded throughput.
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#87Visual Studio std::stringstream pubsetbuf does not work | 起点教程
pubsetbuf member of std::stringbuf is not working at all in Visual Studio 2010! The code: char *FileData = ... ; unsigned long long FileDataLen = ...
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#88c++ - 如何禁用流缓冲？ - 程序员与数组
如何使用C++ IOStreams实现类似的无缓冲I/O？ 最佳答案. 对于文件流，您可以使用 pubsetbuf : std::ifstream ...
pubsetbuf 在 コバにゃんチャンネル Youtube 的最讚貼文
pubsetbuf 在 大象中醫 Youtube 的最讚貼文
pubsetbuf 在 大象中醫 Youtube 的最讚貼文