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c++ Programming Glossary: ofsDoes C++ ofstream file writing use a buffer? http://stackoverflow.com/questions/10449772/does-c-ofstream-file-writing-use-a-buffer C ofstream file writing use a buffer Below are two programs that.. a little longer. The second program written in C utilizes ofstream to write one byte at a time. To my surprise the program.. so like the C program with BUFFER_SIZE 1. Obviously the C ofstream handles file writing differently than I thought. According..
Serializing OpenCV Mat_<Vec3f> http://stackoverflow.com/questions/4170745/serializing-opencv-mat-vec3f as following void saveMat Mat m string filename ofstream ofs filename.c_str boost archive binary_oarchive oa ofs.. as following void saveMat Mat m string filename ofstream ofs filename.c_str boost archive binary_oarchive oa ofs boost.. ofs filename.c_str boost archive binary_oarchive oa ofs boost archive text_oarchive oa ofs oa m void loadMat Mat m..
http://stackoverflow.com/questions/52357/what-is-the-point-of-clog stdout and or stderr Yes. You want the rdbuf function. ofstream ofs logfile cout.rdbuf ofs.rdbuf cout Goes to file. endl.. and or stderr Yes. You want the rdbuf function. ofstream ofs logfile cout.rdbuf ofs.rdbuf cout Goes to file. endl Is the.. want the rdbuf function. ofstream ofs logfile cout.rdbuf ofs.rdbuf cout Goes to file. endl Is the only difference between..
How do you serialize an object in C++? http://stackoverflow.com/questions/523872/how-do-you-serialize-an-object-in-c serialization is then pretty easy #include fstream std ofstream ofs filename.dat std ios binary create class instance const.. is then pretty easy #include fstream std ofstream ofs filename.dat std ios binary create class instance const gps_position.. save data to archive boost archive binary_oarchive oa ofs write class instance to archive oa g archive and stream closed..
http://stackoverflow.com/questions/551082/c-read-lines-from-file this private std ostream a std ostream b int main std ofstream ofs test.txt sinkpair sp std cout ofs sp Hello std endl.. private std ostream a std ostream b int main std ofstream ofs test.txt sinkpair sp std cout ofs sp Hello std endl share..
How to programmatically clear the filesystem memory cache in C++ on a Linux system? http://stackoverflow.com/questions/6818606/how-to-programmatically-clear-the-filesystem-memory-cache-in-c-on-a-linux-syst share improve this question Just write to it sync std ofstream ofs proc sys vm drop_caches ofs 3 std endl share improve.. improve this question Just write to it sync std ofstream ofs proc sys vm drop_caches ofs 3 std endl share improve this..
http://stackoverflow.com/questions/69115/char-to-hex-string-exercise the std string with a heap alloc'd buffer and change ofs 16 to ofs 4 however the heap allocated buffer seems to slow.. std string with a heap alloc'd buffer and change ofs 16 to ofs 4 however the heap allocated buffer seems to slow it down result..
copying and repopulating a struct instance with pointers http://stackoverflow.com/questions/7716525/copying-and-repopulating-a-struct-instance-with-pointers element_t header body anode.data.push_back duplicated std ofstream ofs tmp test.xml boost archive xml_oarchive archive ofs.. header body anode.data.push_back duplicated std ofstream ofs tmp test.xml boost archive xml_oarchive archive ofs archive.. ofs tmp test.xml boost archive xml_oarchive archive ofs archive NVP anode ofs.flush ofs.close return 0 std ifstream..
How to write bitset data to a file? http://stackoverflow.com/questions/778378/how-to-write-bitset-data-to-a-file using namespace std const bitset 12 x 2730ul cout x x endl ofstream ofs C test.txt write as txt if ofs easy way use the stream.. std const bitset 12 x 2730ul cout x x endl ofstream ofs C test.txt write as txt if ofs easy way use the stream insertion.. cout x x endl ofstream ofs C test.txt write as txt if ofs easy way use the stream insertion operator ofs x endl using..
C++ “hello world” Boost tee example program http://stackoverflow.com/questions/999120/c-hello-world-boost-tee-example-program fstream #include iostream using std ostream using std ofstream using std cout namespace bio boost iostreams using bio.. using bio stream int main typedef tee_device ostream ofstream TeeDevice typedef stream TeeDevice TeeStream ofstream ofs.. ofstream TeeDevice typedef stream TeeDevice TeeStream ofstream ofs sample.txt TeeDevice my_tee cout ofs TeeStream my_split..
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